Overall Green alert Volcanic eruption for Pacaya
in Guatemala

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.



23/04 00:00

Volcanic Ash Advisory issued on 2021-05-17 at 08:51 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash from earlier emission dispersed. No new activity noted in infrared satellite imagery since last observation before a break in coverage at a manual station no new reports. Web cam inop. Lee.

Original Message :

Received FVXX23 at 09:02 UTC, 17/05/21 from KNES
VA ADVISORY
DTG: 20210517/0851Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/234
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA EMS ENDED.
OBS VA DTG: 17/0830Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 17/1430Z NO VA EXP
FCST VA CLD +12HR: 17/2030Z NO VA EXP
FCST VA CLD +18HR: 18/0230Z NO VA EXP
RMK: VA FM EARLIER EMS DISPERSED. NO NEW ACT
NOTED IN IR STLT IMAGERY SINCE LAST UPDATE. NO
NEW REPORTS. WEB CAM INOP. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
?000000690
076
Volcanic Ash Advisory issued on 2021-05-17 at 03:21 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing emission.
  • Although dense weather clouds over completely obscure summit ongoing volcanic ash emission likely based on past recent activity. Vaa based on prev update and nwp web cam inop. Lee.

Original Message :

Received FVXX23 at 03:27 UTC, 17/05/21 from KNES
VA ADVISORY
DTG: 20210517/0321Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/233
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING EMS.
OBS VA DTG: 17/0300Z
OBS VA CLD: SFC/FL100 N1427 W09049 - N1425 W09038 - N1421 W09035 - N1419 W09050 - N1427 W09049 MOV W 10KT
FCST VA CLD +6HR: 17/0900Z NO VA EXP
FCST VA CLD +12HR: 17/1500Z NO VA EXP
FCST VA CLD +18HR: 17/2100Z NO VA EXP
RMK: ALTHOUGH DENSE WX CLDS OVER REGION
COMPLETELY OBSCURE SUMMIT ONGOING VA EMS LIKELY
BASED ON PAST RECENT ACT. VAA BASED ON PREV
UPDATE AND NWP MDLS. WEB CAM INOP. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210517/0915Z
Volcanic Ash Advisory issued on 2021-05-16 at 21:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite imagery.
  • Volcanic ash emission observation in satellite moving southwest from summit. Volcanic ash direction from satellite. Volcanic ash height from nwp models which shows sw-ly to w-ly movement trend through t+6. Sambucci.

Original Message :

Received FVXX23 at 21:42 UTC, 16/05/21 from KNES
VA ADVISORY
DTG: 20210516/2140Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/232
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 16/2110Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1422 W09034 - N1408 W09040 - N1414 W09052 - N1423 W09037 MOV SW 10KT
FCST VA CLD +6HR: 17/0300Z SFC/FL100 N1426 W09055 - N1424 W09036 - N1420 W09036 - N1414 W09055 - N1426 W09055
FCST VA CLD +12HR: 17/0900Z NO VA EXP
FCST VA CLD +18HR: 17/1500Z NO VA EXP
RMK: VA EMS OBS IN STLT MOVG SW FM SUMMIT. VA DIR
FM STLT. VA HGT FM NWP MDLS WHICH SHOWS SW-LY TO
W-LY MOVMT TREND THRU T+6. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210517/0345Z
Volcanic Ash Advisory issued on 2021-05-16 at 18:12 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission have disp in satellite imagery.
  • Earlier volcanic ash emission observation in satellite have disp. No summit hotspot with steam/gas emission observation in satellite. No new volcanic ash rprts/obs received from meteorological watch office. Volcanic ash event ended. Sambucci.

Original Message :

Received FVXX23 at 18:19 UTC, 16/05/21 from KNES
VA ADVISORY
DTG: 20210516/1812Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/231
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS HAVE DISP IN STLT IMAGERY
OBS VA DTG: 16/1750Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 16/2330Z NO VA EXP
FCST VA CLD +12HR: 17/0530Z NO VA EXP
FCST VA CLD +18HR: 17/1130Z NO VA EXP
RMK: EARLIER VA EMS OBS IN STLT HAVE DISP. NO
SUMMIT HOTSPOT WITH STEAM/GAS EMS OBS IN STLT. NO
NEW VA RPRTS/OBS RECEIVED FM MWO. VA EVENT ENDED.
...SAMBUCCI
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-05-16 at 12:28 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission seen in satellite.
  • Very light volcanic ash emission seen move sw/ssw from summit. Model guidance shows a sw-ly move to continue through t+6 hours webcam is inoperable. Kibler.

Original Message :

Received FVXX23 at 12:31 UTC, 16/05/21 from KNES
VA ADVISORY
DTG: 20210516/1228Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/230
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: LGT VA EMS SEEN IN SAT.
OBS VA DTG: 16/1200Z
OBS VA CLD: SFC/FL090 N1423 W09036 - N1422 W09034 - N1409 W09040 - N1415 W09051 - N1423 W09036 MOV SW 5KT
FCST VA CLD +6HR: 16/1800Z SFC/FL090 N1423 W09036 - N1422 W09035 - N1404 W09044 - N1413 W09056 - N1423 W09036
FCST VA CLD +12HR: 17/0000Z NO VA EXP
FCST VA CLD +18HR: 17/0600Z NO VA EXP
RMK: VERY LGT VA EMS SEEN MOV SW/SSW FM SUMMIT. MODEL
GUIDANCE SHOWS A SW-LY MOV TO CONT THRU T+6 HRS WEBCAM
IS INOPERABLE. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210516/1830Z
Volcanic Ash Advisory issued on 2021-05-01 at 19:07 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation.
  • Volcanic ash not observation from satellite or webcam. Xtnsv weather clouds in may obscure some light volcanic ash but amount does not appear signature. Mlevine.

Original Message :

Received FVXX25 at 19:10 UTC, 01/05/21 from KNES
VA ADVISORY
DTG: 20210501/1907Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/200
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA NOT OBS
OBS VA DTG: 01/1850Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 02/0100Z NO VA EXP
FCST VA CLD +12HR: 02/0700Z NO VA EXP
FCST VA CLD +18HR: 02/1300Z NO VA EXP
RMK: VA NOT OBS FM STLT OR WEBCAM. XTNSV WX CLDS
IN REGION MAY OBSC SOME LGT VA BUT AMT DOES NOT
APPR SIG ...MLEVINE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-05-01 at 13:37 UTC.

    Key information extracted from original VAA message :


  • Ocl volcanic ash emission.
  • Ocl volcanic ash emission observation in satellite move southwest from summit. Webcam shows ocl light volcanic ash emission. Nwp models forecast little change in wind direction through t+6. Tuggle.

Original Message :

Received FVXX25 at 13:39 UTC, 01/05/21 from KNES
VA ADVISORY
DTG: 20210501/1337Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/199
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCL VA EMS
OBS VA DTG: 01/1310Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1422 W09035 - N1414 W09040 - N1417 W09046 - N1423 W09037 MOV SW 5KT
FCST VA CLD +6HR: 01/1900Z SFC/FL100 N1423 W09036 - N1422 W09035 - N1413 W09040 - N1415 W09048 - N1423 W09036
FCST VA CLD +12HR: 02/0100Z NO VA EXP
FCST VA CLD +18HR: 02/0700Z NO VA EXP
RMK: OCL VA EMS OBS IN SAT MOV SW FM SUMMIT.
WEBCAM SHOWS OCL LIGHT VA EMS. NWP MDLS FCST
LTLCG IN WIND DIR THRU T+6. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210501/1930Z
Volcanic Ash Advisory issued on 2021-05-01 at 12:20 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash em.
  • Poss volcanic ash em observation in satellite move southwest from summit. Webcam shows light em. Tuggle.

Original Message :

Received FVXX25 at 12:22 UTC, 01/05/21 from KNES
VA ADVISORY
DTG: 20210501/1220Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/198
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: POSS VA EM
OBS VA DTG: 01/1200Z
OBS VA CLD: SFC/FL100 N1423 W09036 - N1422 W09035 - N1417 W09038 - N1420 W09041 - N1423 W09036 MOV SW 5KT
FCST VA CLD +6HR: 01/1800Z NO VA EXP
FCST VA CLD +12HR: 02/0000Z NO VA EXP
FCST VA CLD +18HR: 02/0600Z NO VA EXP
RMK: POSS VA EM OBS IN SAT MOV SW FM SUMMIT.
WEBCAM SHOWS LIGHT EM. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210501/1815Z
Volcanic Ash Advisory issued on 2021-05-01 at 06:48 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash seen in satellite.
  • Poss volcanic ash seen in satellite move w from summit. Model guidance shows a more wsw move by t+6 hours. Kibler.

Original Message :

Received FVXX25 at 06:51 UTC, 01/05/21 from KNES
VA ADVISORY
DTG: 20210501/0648Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/197
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA SEEN IN SAT
OBS VA DTG: 01/0620Z
OBS VA CLD: SFC/FL100 N1428 W09048 - N1425 W09035 - N1420 W09035 - N1419 W09050 - N1428 W09048 MOV W 10KT
FCST VA CLD +6HR: 01/1230Z SFC/FL100 N1426 W09100 - N1425 W09034 - N1421 W09034 - N1415 W09059 - N1426 W09100
FCST VA CLD +12HR: 01/1830Z NO VA EXP
FCST VA CLD +18HR: 02/0030Z NO VA EXP
RMK: POSS VA SEEN IN SAT MOV W FM SUMMIT. MODEL
GUIDANCE SHOWS A MORE WSW MOV BY T+6 HRS.
...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210501/1245Z
Volcanic Ash Advisory issued on 2021-04-23 at 00:00 UTC.

    Key information extracted from original VAA message :



Original Message :

Volcanic Ash Advisory issued on 2021-04-16 at 13:55 UTC.

    Key information extracted from original VAA message :


  • Prev volcanic ash disp.
  • Prev volcanic ash emission have disp. Volcanic ash emission not observation in satellite under mostly clear. Tuggle.

Original Message :

Received FVXX24 at 13:58 UTC, 16/04/21 from KNES
VA ADVISORY
DTG: 20210416/1355Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/196
INFO SOURCE: GOES-16.
ERUPTION DETAILS: PREV VA DISP
OBS VA DTG: 16/1330Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 16/1930Z NO VA EXP
FCST VA CLD +12HR: 17/0130Z NO VA EXP
FCST VA CLD +18HR: 17/0730Z NO VA EXP
RMK: PREV VA EMS HAVE DISP. VA EMS NOT OBS IN
STLT UNDER MSTLY CLR CONDS. ...TUGGLE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-16 at 08:27 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • Volcanic ash detected on satellite drifting nnw of summit. Nwp model winds lgt/vrb so t+6 hour volcanic ash position conf low. Konon.

Original Message :

Received FVXX24 at 08:30 UTC, 16/04/21 from KNES
VA ADVISORY
DTG: 20210416/0827Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/195
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS
OBS VA DTG: 16/0800Z
OBS VA CLD: SFC/FL110 N1431 W09036 - N1422 W09035 - N1423 W09036 - N1429 W09040 - N1431 W09036 MOV N 5KT
FCST VA CLD +6HR: 16/1400Z SFC/FL110 N1432 W09034 - N1429 W09031 - N1422 W09035 - N1423 W09037 - N1432 W09034
FCST VA CLD +12HR: 16/2000Z NO VA EXP
FCST VA CLD +18HR: 17/0200Z NO VA EXP
RMK: VA DETECTED ON STLT DRIFTING NNW OF SUMMIT.
NWP MDL WINDS LGT/VRB SO T+6 HR VA PSN CONF LO.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210416/1430Z
Volcanic Ash Advisory issued on 2021-04-14 at 13:25 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not obsd.
  • No volcanic ash obsd by g16 under mostly clear webcam inop. No rcnt reports of volcanic ash have been received. Hosley.

Original Message :

Received FVXX20 at 13:27 UTC, 14/04/21 from KNES
VA ADVISORY
DTG: 20210414/1325Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/194
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT OBSD.
OBS VA DTG: 14/1300Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 14/1900Z NO VA EXP
FCST VA CLD +12HR: 15/0100Z NO VA EXP
FCST VA CLD +18HR: 15/0700Z NO VA EXP
RMK: NO VA OBSD BY G16 UNDER MOSTLY CLR SKIES.
WEBCAM INOP. NO RCNT RPRTS OF VA HAVE BEEN RCVD.
...HOSLEY
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-14 at 07:23 UTC.

    Key information extracted from original VAA message :


  • Possible continuing volcanic ash emission.
  • Volcanic ash not observation in satellite due to weather cloud obscn. Webcam unavailable. Continuing volcanic ash emission possible based on recent activity. Osb volcanic ash area estd from nwp models and prev advisory. Clark.

Original Message :

Received FVXX20 at 07:25 UTC, 14/04/21 from KNES
VA ADVISORY
DTG: 20210414/0723Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/193
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: PSBL CONTG VA EMS.
OBS VA DTG: 14/0700Z
OBS VA CLD: SFC/FL100 N1426 W09050 - N1423 W09035 - N1422 W09035 - N1421 W09050 - N1426 W09050 MOV W 5KT
FCST VA CLD +6HR: 14/1300Z NO VA EXP
FCST VA CLD +12HR: 14/1900Z NO VA EXP
FCST VA CLD +18HR: 15/0100Z NO VA EXP
RMK: VA NOT OBS IN SAT DUE TO WX CLD OBSCN.
WEBCAM UNAVAILABLE. CONTG VA EMS PSBL BASED ON
RECENT ACT. OSB VA AREA ESTD FM NWP MDLS AND PREV
ADVISORY. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210414/1330Z
Volcanic Ash Advisory issued on 2021-04-14 at 01:24 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission observation in satellite imagery.
  • Light volcanic ash emission observation in satellite and report in aviation routine weather report moving w from summit. Low conf in vaa/vag due to weather volcanic ash hgt/dir from stlt/nwp models shows continue w-ly movement through t+6. Sambucci.

Original Message :

Received FVXX20 at 01:28 UTC, 14/04/21 from KNES
VA ADVISORY
DTG: 20210414/0124Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/192
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. METAR.
ERUPTION DETAILS: LGT VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 14/0100Z
OBS VA CLD: SFC/FL100 N1429 W09041 - N1425 W09035 - N1421 W09036 - N1422 W09043 - N1429 W09041 MOV W 15KT
FCST VA CLD +6HR: 14/0700Z SFC/FL100 N1432 W09049 - N1424 W09034 - N1420 W09036 - N1423 W09051 - N1432 W09049
FCST VA CLD +12HR: 14/1300Z NO VA EXP
FCST VA CLD +18HR: 14/1900Z NO VA EXP
RMK: LGT VA EMS OBS IN STLT AND RPRT IN METAR
MOVG W FM SUMMIT. LOW CONF IN VAA/VAG DUE TO WX
CLDS. VA HGT/DIR FM STLT/NWP MDLS SHOWS CONT W-LY
MOVMT THRU T+6. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210414/0730Z
Volcanic Ash Advisory issued on 2021-04-08 at 19:02 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not seen in satellite.
  • Volcanic ash is not seen in satellite imagery. Nwp indicates any new volcanic ash emission to around flight level 110 (3300m) would move toward. Kibler.

Original Message :

Received FVXX22 at 19:09 UTC, 08/04/21 from KNES
VA ADVISORY
DTG: 20210408/1902Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/191
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA NOT SEEN IN STLT
OBS VA DTG: 08/1840Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 09/0030Z NO VA EXP
FCST VA CLD +12HR: 09/0630Z NO VA EXP
FCST VA CLD +18HR: 09/1230Z NO VA EXP
RMK: VA IS NOT SEEN IN STLT IMAGERY. NWP
INDICATES ANY NEW VA EMS TO ARND FL110 WOULD MOV
TWD S/SE. ...KIBLER
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-08 at 13:17 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission observation.
  • Occasional volcanic ash emission observation from webcam and possibly satellite data. Xtnsv weather clouds in the area may obscure more volcanic ash. Nwp forecast volcanic ash to shift to the south through t+6. From nwp. Mlevine.

Original Message :

Received FVXX22 at 13:18 UTC, 08/04/21 from KNES
VA ADVISORY
DTG: 20210408/1317Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/190
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS OBS
OBS VA DTG: 08/1250Z
OBS VA CLD: SFC/FL110 N1423 W09037 - N1423 W09034 - N1414 W09039 - N1414 W09045 - N1423 W09037 MOV SW 5KT
FCST VA CLD +6HR: 08/1900Z SFC/FL110 N1423 W09034 - N1408 W09035 - N1408 W09047 - N1423 W09038 - N1423 W09034
FCST VA CLD +12HR: 09/0100Z NO VA EXP
FCST VA CLD +18HR: 09/0700Z NO VA EXP
RMK: OCNL VA EMS OBS FM WEBCAM AND PSBLY STLT
DATA. XTNSV WX CLDS IN THE AREA MAY OBSC MORE VA.
NWP FCSTS VA TO SHFT TO THE S THRU T+6. FL FM
NWP. ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210408/1915Z
Volcanic Ash Advisory issued on 2021-04-08 at 05:37 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observed.
  • Volcanic ash not obsd by satellite with broken weather cloud cover over summit. Webcam obscured by weather thermal anomaly no longer discernible. Hosley.

Original Message :

Received FVXX22 at 05:40 UTC, 08/04/21 from KNES
VA ADVISORY
DTG: 20210408/0537Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/189
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT OBSERVED
OBS VA DTG: 08/0510Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 08/1100Z NO VA EXP
FCST VA CLD +12HR: 08/1700Z NO VA EXP
FCST VA CLD +18HR: 08/2300Z NO VA EXP
RMK: VA NOT OBSD BY STLT WITH BKN WX CLD CVR OVR
SUMMIT. WEBCAM OBSCD BY WX CLDS. THERMAL ANOMALY
NO LONGER DISCERNIBLE. ...HOSLEY
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-07 at 23:45 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash em.
  • Volcanic ash em not seen on satellite due to cloud cover.

Original Message :

Received FVXX22 at 23:48 UTC, 07/04/21 from KNES
VA ADVISORY
DTG: 20210407/2345Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/188
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: POSSIBLE VA EM
OBS VA DTG: 07/2310Z
OBS VA CLD: SFC/FL100 N1422 W09037 - N1422 W09036 - N1417 W09041 - N1421 W09044 - N1422 W09037 MOV SW 10KT
FCST VA CLD +6HR: 08/0500Z SFC/FL100 N1423 W09042 - N1422 W09036 - N1422 W09036 - N1419 W09042 - N1423 W09042
FCST VA CLD +12HR: 08/1100Z NO VA EXP
FCST VA CLD +18HR: 08/1700Z NO VA EXP
RMK: VA EM NOT SEEN ON STLT DUE TO CLD CVR
OBSCURATION. HOWEVER, VA MAYBE EXPCD IN THE AREA.
THERMAL ANOMALY DETECTED ON STLT. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210408/0545Z
Volcanic Ash Advisory issued on 2021-04-07 at 18:11 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash em.
  • Volcanic ash em not seen on satellite and webcam due to cloud cover. Volcano reports emission around summit which may volcanic ash. Kim.

Original Message :

Received FVXX22 at 18:14 UTC, 07/04/21 from KNES
VA ADVISORY
DTG: 20210407/1811Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/187
INFO SOURCE: GOES-16. NWP MODELS. METAR.
ERUPTION DETAILS: POSSIBLE VA EM
OBS VA DTG: 07/1740Z
OBS VA CLD: SFC/FL100 N1422 W09037 - N1421 W09036 - N1413 W09033 - N1414 W09044 - N1422 W09037 MOV S 5KT
FCST VA CLD +6HR: 07/2330Z SFC/FL100 N1422 W09037 - N1421 W09035 - N1411 W09040 - N1416 W09049 - N1422 W09037
FCST VA CLD +12HR: 08/0530Z NO VA EXP
FCST VA CLD +18HR: 08/1130Z NO VA EXP
RMK: VA EM NOT SEEN ON STLT AND WEBCAM DUE TO CLD
COVER. VO RPRTS EMS AROUND SUMMIT WHICH MAY
CONTAIN VA. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210408/0015Z
Volcanic Ash Advisory issued on 2021-04-04 at 08:12 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation in satellite.
  • Volcanic ash not observation since prev vaa in satellite or webacm with continued but decreasing weather cloud obscn. Clark.

Original Message :

Received FVXX22 at 08:14 UTC, 04/04/21 from KNES
VA ADVISORY
DTG: 20210404/0812Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/186
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT OBS IN SAT.
OBS VA DTG: 04/0750Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 04/1400Z NO VA EXP
FCST VA CLD +12HR: 04/2000Z NO VA EXP
FCST VA CLD +18HR: 05/0200Z NO VA EXP
RMK: VA NOT OBS SINCE PREV VAA IN SAT OR WEBACM
WITH CONTD BUT DECREASING WX CLD OBSCN. ...CLARK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-04 at 02:28 UTC.

    Key information extracted from original VAA message :


  • Possible continuing volcanic ash emission.
  • Volcanic ash not observation in satellite or webcam due to dense weather cloud obscn. Continuing volcanic ash emission possible based on recent activity.

Original Message :

Received FVXX22 at 02:29 UTC, 04/04/21 from KNES
VA ADVISORY
DTG: 20210404/0228Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/185
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: PSBL CONTG VA EMS.
OBS VA DTG: 04/0200Z
OBS VA CLD: SFC/FL100 N1429 W09049 - N1424 W09036 - N1422 W09036 - N1422 W09051 - N1429 W09049 MOV W 15KT
FCST VA CLD +6HR: 04/0800Z NO VA EXP
FCST VA CLD +12HR: 04/1400Z NO VA EXP
FCST VA CLD +18HR: 04/2000Z NO VA EXP
RMK: VA NOT OBS IN SAT OR WEBCAM DUE TO DENSE WX
CLD OBSCN. CONTG VA EMS PSBL BASED ON RECENT ACT.
OBS VA AREA BASED ON PREV VAA AND NWP MDLS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210404/0830Z
Volcanic Ash Advisory issued on 2021-04-03 at 20:41 UTC.

    Key information extracted from original VAA message :


  • Em observation in webcam.
  • Near summit em of light to occasional moderate volcanic ash seen over last observation before a break in coverage at a manual station hour from webcam but not from satellite. Em forecast to move ssw veering to w over. Turk.

Original Message :

Received FVXX22 at 20:43 UTC, 03/04/21 from KNES
VA ADVISORY
DTG: 20210403/2041Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/184
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: EM OBS IN WEBCAM
OBS VA DTG: 03/2020Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1422 W09034 - N1415 W09038 - N1416 W09040 - N1423 W09037 MOV S 15KT
FCST VA CLD +6HR: 04/0230Z SFC/FL100 N1425 W09035 - N1422 W09035 - N1410 W09044 - N1423 W09052 - N1425 W09035
FCST VA CLD +12HR: 04/0830Z NO VA EXP
FCST VA CLD +18HR: 04/1430Z NO VA EXP
RMK: NEAR SUMMIT EM OF LGT TO OCNL MOD VA SEEN
OVR LAST HOUR FM WEBCAM BUT NOT FM STLT. EM FCST
TO MOV SSW VEERING TO W OVR TIME. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20210404/0245Z
Volcanic Ash Advisory issued on 2021-04-03 at 15:07 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation from satellite.
  • Light volcanic ash seen earlier this am has disp and no volcanic ash is observation from satellite at this moment. Turk.

Original Message :

Received FVXX22 at 15:09 UTC, 03/04/21 from KNES
VA ADVISORY
DTG: 20210403/1507Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/183
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT OBS FM STLT
OBS VA DTG: 03/1450Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 03/2100Z NO VA EXP
FCST VA CLD +12HR: 04/0300Z NO VA EXP
FCST VA CLD +18HR: 04/0900Z NO VA EXP
RMK: LGT VA SEEN EARLIER THIS AM HAS DISP AND NO
VA IS OBS FM STLT ATTM. ...TURK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-04-03 at 09:36 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move southwest in satellite imagery. Volcanic ash forecast to continue southwest move through t+18hrs before disp. Fisher.

Original Message :

Received FVXX22 at 09:38 UTC, 03/04/21 from KNES
VA ADVISORY
DTG: 20210403/0936Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/182
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 03/0920Z
OBS VA CLD: SFC/FL110 N1428 W09037 - N1357 W09044 - N1402 W09112 - N1428 W09037 MOV SW 10KT
FCST VA CLD +6HR: 03/1530Z SFC/FL110 N1428 W09037 - N1359 W09044 - N1404 W09112 - N1428 W09037
FCST VA CLD +12HR: 03/2130Z SFC/FL110 N1426 W09037 - N1359 W09044 - N1405 W09114 - N1426 W09037
FCST VA CLD +18HR: 04/0330Z SFC/FL110 N1428 W09036 - N1357 W09044 - N1407 W09114 - N1428 W09036
RMK: CONT VA EMS OBS MOV SW IN STLT IMAGERY. VA
FCST TO CONT SW MOV THRU T+18HRS BEFORE DISP.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210403/1530Z
Volcanic Ash Advisory issued on 2021-04-03 at 03:58 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move southwest from summit volcanic ash forecast to continue move south to southwest from summit through t+18hrs before disp. Fisher.

Original Message :

Received FVXX22 at 04:02 UTC, 03/04/21 from KNES
VA ADVISORY
DTG: 20210403/0358Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/181
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 03/0350Z
OBS VA CLD: SFC/FL120 N1425 W09037 - N1349 W09041 - N1345 W09105 - N1425 W09037 MOV SW 15KT
FCST VA CLD +6HR: 03/1000Z SFC/FL120 N1425 W09035 - N1346 W09040 - N1346 W09105 - N1425 W09035
FCST VA CLD +12HR: 03/1600Z SFC/FL120 N1425 W09035 - N1344 W09038 - N1347 W09107 - N1425 W09035
FCST VA CLD +18HR: 03/2200Z SFC/FL120 N1425 W09035 - N1346 W09038 - N1346 W09107 - N1425 W09035
RMK: CONT VA EMS OBS MOV SW FM SUMMIT VA FCST TO
CONT MOV S TO SW FM SUMMIT THRU T+18HRS BEFORE
DISP. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210403/1000Z
Volcanic Ash Advisory issued on 2021-04-02 at 22:10 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash observation ext up to 150 nm southwest from summit. Nwp models suggest volcanic ash to flight level 120 (3600m) webcam frequently obscured by weather clouds but shows continuing emission. Mvmt forecast to turn to w by t+18 hours but lower emission would still move south to southwest. Clark.

Original Message :

Received FVXX22 at 22:12 UTC, 02/04/21 from KNES
VA ADVISORY
DTG: 20210402/2210Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/180
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
HYSPLIT.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 02/2150Z
OBS VA CLD: SFC/FL120 N1425 W09037 - N1423 W09034 - N1313 W09100 - N1241 W09221 - N1313 W09249 - N1407 W09144 - N1419 W09115 - N1425 W09037 MOV SW 20KT
FCST VA CLD +6HR: 03/0400Z SFC/FL120 N1423 W09037 - N1422 W09033 - N1331 W09054 - N1245 W09313 - N1354 W09313 - N1423 W09037
FCST VA CLD +12HR: 03/1000Z SFC/FL120 N1425 W09037 - N1423 W09034 - N1346 W09049 - N1319 W09313 - N1417 W09314 - N1425 W09037
FCST VA CLD +18HR: 03/1600Z SFC/FL120 N1425 W09037 - N1423 W09034 - N1344 W09058 - N1320 W09313 - N1416 W09314 - N1425 W09037
RMK: VA OBS EXT UP TO 150 NM SW FM SUMMIT. NWP
MDLS SUGGEST VA TO FL120. WEBCAM FQTLY OBSCD BY
WX CLDS BUT SHOWS CONTG EMS. FL MVMT FCST TO TURN
TO W BY T+18 HRS BUT LOWER EMS WOULD STILL MOV S
TO SW. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210403/0415Z
Volcanic Ash Advisory issued on 2021-04-02 at 16:17 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Continuous volcanic ash seen in satellite move ssw and once off coast fanning webcam shows volcanic ash just above summit with higher volcanic ash to flight level 90 (2700m) a sw-ly move is exp by t+6 hours through t+18 hours. Height and move based on satellite and web and nwp. Volcanic ash extends out nearly 100 nm from summit before dissipating. Kibler.

Original Message :

Received FVXX22 at 16:22 UTC, 02/04/21 from KNES
VA ADVISORY
DTG: 20210402/1617Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/179
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 02/1550Z
OBS VA CLD: SFC/FL090 N1423 W09038 - N1422 W09035 - N1307 W09045 - N1241 W09111 - N1258 W09152 - N1348 W09140 - N1423 W09038 MOV S 20KT
FCST VA CLD +6HR: 02/2200Z SFC/FL090 N1423 W09040 - N1422 W09034 - N1225 W09150 - N1253 W09258 - N1346 W09209 - N1423 W09040
FCST VA CLD +12HR: 03/0400Z SFC/FL090 N1422 W09033 - N1333 W09109 - N1239 W09229 - N1312 W09350 - N1354 W09208 - N1422 W09041 - N1422 W09033
FCST VA CLD +18HR: 03/1000Z SFC/FL090 N1426 W09039 - N1422 W09034 - N1353 W09038 - N1243 W09258 - N1316 W09418 - N1401 W09216 - N1426 W09039
RMK: CONS VA SEEN IN STLT MOV SSW AND ONCE OFF
COAST FANNING SW/W. WEBCAM SHOWS VA JUST ABOVE
SUMMIT WITH HIGHER VA TO FL090. A SW-LY MOV
IS EXP BY T+6 HRS THRU T+18 HRS. HEIGHT AND MOV
BASED ON STLT AND WEB AND NWP. VA EXTDS OUT
NEARLY 100 NM FM SUMMIT BEFORE DISPTG ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210402/2215Z
Volcanic Ash Advisory issued on 2021-04-02 at 11:14 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Continuous volcanic ash emission seen in satellite moving ssw and extending over 50 nm from summit. Volcanic ash may extend farther out but has becm to difussed in satellite to see. Model guidance shows a gradual turn to the southwest by t+12 hours and through t+18 hours. Kibler.

Original Message :

Received FVXX22 at 11:18 UTC, 02/04/21 from KNES
VA ADVISORY
DTG: 20210402/1114Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/178
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS.
OBS VA DTG: 02/1050Z
OBS VA CLD: SFC/FL100 N1422 W09037 - N1422 W09034 - N1338 W09049 - N1349 W09105 - N1422 W09037 MOV S 15KT
FCST VA CLD +6HR: 02/1700Z SFC/FL100 N1423 W09036 - N1421 W09034 - N1344 W09047 - N1320 W09110 - N1344 W09129 - N1355 W09101 - N1423 W09036
FCST VA CLD +12HR: 02/2300Z SFC/FL100 N1423 W09037 - N1421 W09033 - N1317 W09110 - N1340 W09132 - N1353 W09103 - N1423 W09037
FCST VA CLD +18HR: 03/0500Z SFC/FL100 N1424 W09037 - N1422 W09033 - N1349 W09045 - N1318 W09110 - N1342 W09134 - N1409 W09049 - N1424 W09037
RMK: CONS VA EMS SEEN IN STLT MOVG SSW AND EXTDG
OVER 50 NM FM SUMMIT. VA MAY EXTD FARTHER OUT
BUT HAS BECM TO DIFUSSED IN STLT TO SEE. MODEL GUIDANCE
SHOWS A GRDL TURN TO THE SW BY T+12 HRS AND THRU T+18 HRS.
...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210402/1715Z
Volcanic Ash Advisory issued on 2021-04-02 at 05:41 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move southwest to south in satellite imagery. Volcanic ash forecast to continue southwest to south move through t+18hrs before disp. Relative volcano activity remains high. Fisher.

Original Message :

Received FVXX22 at 05:56 UTC, 02/04/21 from KNES
VA ADVISORY
DTG: 20210402/0541Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/177
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 02/0530Z
OBS VA CLD: SFC/FL110 N1425 W09035 - N1336 W09048 - N1344 W09112 - N1425 W09035 MOV SW 15KT
FCST VA CLD +6HR: 02/1130Z SFC/FL110 N1425 W09035 - N1335 W09043 - N1343 W09106 - N1425 W09035
FCST VA CLD +12HR: 02/1730Z SFC/FL110 N1425 W09036 - N1334 W09046 - N1343 W09110 - N1425 W09036
FCST VA CLD +18HR: 02/2330Z SFC/FL110 N1425 W09036 - N1334 W09046 - N1342 W09110 - N1425 W09036
RMK: CONT VA EMS OBS MOV SW TO S IN STLT IMAGERY.
VA FCST TO CONT SW TO S MOV THRU T+18HRS BEFORE
DISP. RELATIVE VO ACT REMAINS HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210402/1145Z
Volcanic Ash Advisory issued on 2021-04-01 at 23:56 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash ems,.
  • Volcanic ash emission extend as far as 160nmi ssw from summit. Continuous moderate to thick volcanic ash emission obsd on webcam with intermittent higher emission. Nwp models and webcam suggest volcanic ash to flight level 110 (3300m) nwp models forecast volcanic ash to move wsw-w from summit by. Hosley.

Original Message :

Received FVXX22 at 23:58 UTC, 01/04/21 from KNES
VA ADVISORY
DTG: 20210401/2356Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/176
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS,
OBS VA DTG: 01/2310Z
OBS VA CLD: SFC/FL110 N1423 W09037 - N1421 W09034 - N1334 W09041 - N1201 W09143 - N1242 W09208 - N1423 W09037 MOV SW 20KT
FCST VA CLD +6HR: 02/0500Z SFC/FL110 N1422 W09039 - N1419 W09033 - N1201 W09216 - N1246 W09301 - N1407 W09150 - N1422 W09039
FCST VA CLD +12HR: 02/1100Z SFC/FL110 N1423 W09037 - N1419 W09034 - N1243 W09320 - N1343 W09341 - N1423 W09037
FCST VA CLD +18HR: 02/1700Z SFC/FL110 N1423 W09037 - N1419 W09034 - N1249 W09331 - N1358 W09346 - N1423 W09037
RMK: VA EMS EXTD AS FAR AS 160NMI SSW FM SUMMIT.
CONS MDT TO THICK VA EMS OBSD ON WEBCAM WITH
INTMT HIGHER EMS. NWP MDLS AND WEBCAM SUGGEST VA
TO FL110. NWP MDLS FCST VA TO MOV WSW-W FM SUMMIT
BY T+6HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20210402/0600Z
Volcanic Ash Advisory issued on 2021-04-01 at 18:29 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Corr for remnant volcanic ash offshore. Continuous volcanic ash emission.

Original Message :

Received FVXX22 at 18:32 UTC, 01/04/21 from KNES
VA ADVISORY -CORRECTION
DTG: 20210401/1829Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/175
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS.
OBS VA DTG: 01/1720Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1422 W09035 - N1334 W09038 - N1325 W09058 - N1423 W09037 MOV S 20KT SFC/FL110 N1356 W09047 - N1325 W09058 - N1312 W09152 - N1355 W09111 - N1356 W09047 MOV SW 20KT
FCST VA CLD +6HR: 01/2330Z SFC/FL100 N1422 W09037 - N1422 W09034 - N1307 W09111 - N1325 W09147 - N1422 W09037 SFC/FL110 NO VA EXP
FCST VA CLD +12HR: 02/0530Z SFC/FL100 N1423 W09036 - N1422 W09035 - N1339 W09149 - N1415 W09203 - N1423 W09036
FCST VA CLD +18HR: 02/1130Z SFC/FL100 N1423 W09036 - N1422 W09034 - N1335 W09149 - N1414 W09205 - N1423 W09036
RMK: CORR FOR REMNANT VA OFFSHORE. CONS VA EMS
OBSD IN WEBCAM TO ONLY A FEW HUNDRED FT ABV
SUMMIT WITH INTMT HIGHER AND THICKER VA EMS. VA
EXTDS ARND 120 NMI SW FM SUMMIT ON G16 VIS STLT
IMAGERY. NWP MDLS FCST VA TO MOV SW BY T+6 AND
WSW BY T+12. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20210402/0000Z
Volcanic Ash Advisory issued on 2021-04-01 at 11:56 UTC.

    Key information extracted from original VAA message :


  • Signature volcanic ash emission continue.
  • Volcanic ash detected on satellite to flight level 110 (3300m) moving south of summit to pacific coast. Volcanic ash to flight level 140 (4200m) from earlier emission extending from summit aprox 260 nm southwest into open pacific. Volcanic ash height has been variable so possible that adntl southwest mvmnt of signature volcanic ash next 6 hour. Konon.

Original Message :

Received FVXX22 at 12:00 UTC, 01/04/21 from KNES
VA ADVISORY
DTG: 20210401/1156Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/174
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS CONT
OBS VA DTG: 01/1120Z
OBS VA CLD: SFC/FL110 N1422 W09037 - N1422 W09035 - N1355 W09035 - N1355 W09046 - N1422 W09037 MOV S 10KT SFC/FL140 N1428 W09109 - N1426 W09041 - N1417 W09033 - N1323 W09115 - N1142 W09252 - N1107 W09354 - N1132 W09422 - N1206 W09422 - N1301 W09334 - N1400 W09150 - N1428 W09109 MOV SW 15KT
FCST VA CLD +6HR: 01/1730Z SFC/FL110 N1423 W09036 - N1422 W09035 - N1343 W09036 - N1345 W09050 - N1423 W09036 SFC/FL140 N1235 W09322 - N1141 W09255 - N1116 W09308 - N1057 W09354 - N1109 W09429 - N1149 W09444 - N1224 W09419 - N1235 W09322
FCST VA CLD +12HR: 01/2330Z SFC/FL110 N1423 W09035 - N1421 W09035 - N1349 W09101 - N1354 W09113 - N1423 W09035
FCST VA CLD +18HR: 02/0530Z SFC/FL110 N1423 W09037 - N1421 W09034 - N1335 W09045 - N1338 W09059 - N1423 W09037
RMK: VA DETECTED ON STLT TO FL110 MOVG S OF
SUMMIT TO PAC CST. VA TO FL140 FM EARLIER EMS
EXTENDING FM SUMMIT APROX 260 NM SW INTO OPEN
PAC. VA HGT HAS BEEN VRB SO PSBL THAT ADNTL SW
MVMNT OF SIG VA NXT 6 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210401/1800Z
Volcanic Ash Advisory issued on 2021-04-01 at 05:55 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move southwest ext to near 200nm from summit. Nwp models suggest continue move southwest of summit through t+18hrs. Relative volcano activity remains high in satellite observation. Fisher.

Original Message :

Received FVXX22 at 05:57 UTC, 01/04/21 from KNES
VA ADVISORY
DTG: 20210401/0555Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/173
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 01/0550Z
OBS VA CLD: SFC/FL110 N1427 W09035 - N1205 W09217 - N1233 W09304 - N1427 W09035 MOV SW 15KT
FCST VA CLD +6HR: 01/1200Z SFC/FL110 N1428 W09035 - N1205 W09213 - N1230 W09307 - N1428 W09035
FCST VA CLD +12HR: 01/1800Z SFC/FL110 N1427 W09035 - N1204 W09213 - N1234 W09310 - N1427 W09035
FCST VA CLD +18HR: 02/0000Z SFC/FL110 N1425 W09035 - N1204 W09213 - N1238 W09308 - N1425 W09035
RMK: CONT VA EMS OBS MOV SW EXT TO NEAR 200NM FM
SUMMIT. NWP MDLS SUGGEST CONT MOV SW OF SUMMIT
THRU T+18HRS. RELATIVE VO ACT REMAINS HIGH IN
STLT OBS. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210401/1200Z
Volcanic Ash Advisory issued on 2021-04-01 at 00:07 UTC.

    Key information extracted from original VAA message :


  • Signature volcanic ash observation.
  • Volcanic ash closer to summit moving southwest to about 90nm from summit while lighter remnant volcanic ash mvg wsw to about 200nm southwest of summit. Remnant volcanic ash forecast to disp by t+12 with remaining volcanic ash shifting to the w through t+18. And winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 00:10 UTC, 01/04/21 from KNES
VA ADVISORY
DTG: 20210401/0007Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/172
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA OBS
OBS VA DTG: 31/2320Z
OBS VA CLD: SFC/FL110 N1426 W09035 - N1419 W09031 - N1313 W09137 - N1329 W09155 - N1426 W09035 MOV SW 10KT SFC/FL130 N1344 W09208 - N1313 W09156 - N1229 W09321 - N1303 W09326 - N1344 W09208 MOV SW 10KT
FCST VA CLD +6HR: SFC/FL110 N1428 W09034 - N1417 W09031 - N1225 W09226 - N1402 W09226 - N1428 W09034 SFC/FL130 N1322 W09249 - N1249 W09240 - N1213 W09350 - N1250 W09355 - N1322 W09249
FCST VA CLD +12HR: SFC/FL110 N1428 W09035 - N1417 W09030 - N1212 W09311 - N1352 W09311 - N1428 W09035 SFC/FL130 NO VA EXP
FCST VA CLD +18HR: SFC/FL110 N1417 W09031 - N1247 W09134 - N1126 W09351 - N1317 W09358 - N1417 W09031
RMK: VA CLOSER TO SUMMIT MOVG SW TO ABT 90NM FM
SUMMIT WHILE LIGHTER REMNANT VA MVG WSW TO ABT
200NM SW OF SUMMIT. REMNANT VA FCST TO DISP BY
T+12 WITH RMNG VA SHFTG TO THE W THRU T+18. FL
AND WINDS FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210401/0600Z
Volcanic Ash Advisory issued on 2021-03-31 at 18:49 UTC.

    Key information extracted from original VAA message :


  • Signature volcanic ash emission.
  • Volcanic ash plume mvg southwest to about 200nm southwest of summit while higher plume mvg w to about 30nm from summit. W-erly plume forecast to disp while sw-erly plume forecast to continue through t+18. Mlevine.

Original Message :

Received FVXX22 at 18:51 UTC, 31/03/21 from KNES
VA ADVISORY
DTG: 20210331/1849Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/171
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 31/1820Z
OBS VA CLD: SFC/FL110 N1419 W09041 - N1418 W09032 - N1222 W09220 - N1233 W09241 - N1416 W09204 - N1419 W09041 MOV SW 10KT SFC/FL140 N1429 W09102 - N1426 W09037 - N1419 W09034 - N1416 W09103 - N1429 W09102 MOV W 10KT
FCST VA CLD +6HR: 01/0030Z SFC/FL110 N1419 W09033 - N1143 W09252 - N1225 W09319 - N1416 W09241 - N1419 W09033 SFC/FL140 N1435 W09122 - N1427 W09036 - N1419 W09034 - N1410 W09120 - N1435 W09122
FCST VA CLD +12HR: 01/0630Z SFC/FL110 N1419 W09032 - N1159 W09238 - N1225 W09318 - N1415 W09241 - N1419 W09032 SFC/FL140 NO VA EXP
FCST VA CLD +18HR: 01/1230Z SFC/FL110 N1417 W09026 - N1152 W09249 - N1219 W09323 - N1417 W09131 - N1417 W09026
RMK: VA PLUME MVG SW TO ABT 200NM SW OF SUMMIT
WHILE HIER PLUME MVG W TO ABT 30NM FM SUMMIT.
W-ERLY PLUME FCST TO DISP WHILE SW-ERLY PLUME
FCST TO CONT THRU T+18 ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210401/0045Z
Volcanic Ash Advisory issued on 2021-03-31 at 15:08 UTC.

    Key information extracted from original VAA message :


  • Signature volcanic ash emission.
  • Update-va plume now at flight level 140 (4200m) moving nw of summit. Fuego webcam downwind shows dense volcanic ash cvrg summit area. Volcanic ash to flight level 100 (3000m) continue to move southwest over pacific. Xpct volcanic ash to flight level 140 (4200m) to continue to spread nw next 6 hour and volcanic ash to flight level 100 (3000m) move southwest. Konon.

Original Message :

Received FVXX22 at 15:13 UTC, 31/03/21 from KNES
VA ADVISORY
DTG: 20210331/1508Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/170
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 31/1430Z
OBS VA CLD: SFC/FL100 N1423 W09040 - N1422 W09037 - N1410 W09042 - N1353 W09047 - N1326 W09056 - N1319 W09057 - N1319 W09112 - N1330 W09122 - N1356 W09115 - N1411 W09105 - N1423 W09040 MOV SW 10KT SFC/FL140 N1438 W09050 - N1424 W09035 - N1416 W09058 - N1421 W09059 - N1434 W09058 - N1438 W09050 MOV NW 10KT
FCST VA CLD +6HR: 31/2030Z SFC/FL100 N1300 W09134 - N1255 W09126 - N1242 W09127 - N1235 W09137 - N1246 W09150 - N1259 W09144 - N1300 W09134 SFC/FL140 N1424 W09037 - N1422 W09035 - N1349 W09054 - N1358 W09108 - N1424 W09037 SFC/FL140 N1449 W09117 - N1424 W09036 - N1413 W09105 - N1418 W09123 - N1429 W09122 - N1449 W09117
FCST VA CLD +12HR: 01/0230Z SFC/FL100 N1424 W09037 - N1422 W09036 - N1359 W09111 - N1411 W09115 - N1424 W09037
FCST VA CLD +18HR: 01/0830Z SFC/FL100 N1423 W09037 - N1354 W09104 - N1401 W09115 - N1421 W09043 - N1423 W09037
RMK: UPDATE-VA PLUME NOW AT FL140 MOVG NW OF
SUMMIT. FUEGO WEBCAM DOWNWIND SHOWS DENSE VA
CVRG SUMMIT AREA. VA TO FL100 CONT TO MOV SW OVR
PAC. XPCT VA TO FL140 TO CONT TO SPREAD NW NXT 6
HR AND VA TO FL100 MOV SW. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210331/2115Z
Volcanic Ash Advisory issued on 2021-03-31 at 13:19 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue.
  • Updated vaa early due to volcanic ash spreading much further than forecast. Well-defined moderately dense volcanic ash plume detected on hires visibility satellite aprox 75 nm southwest of summit moving southwest. Volcanic ash should spread to at least 150 nm from summit over open pacific next 6 hour. Konon.

Original Message :

Received FVXX22 at 13:26 UTC, 31/03/21 from KNES
VA ADVISORY
DTG: 20210331/1319Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/169
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS CONT
OBS VA DTG: 31/1250Z
OBS VA CLD: SFC/FL100 N1423 W09036 - N1423 W09035 - N1339 W09044 - N1342 W09057 - N1423 W09036 MOV SW 10KT
FCST VA CLD +6HR: 31/1900Z SFC/FL100 N1423 W09036 - N1423 W09035 - N1320 W09111 - N1326 W09123 - N1423 W09036
FCST VA CLD +12HR: 01/0100Z SFC/FL100 N1423 W09035 - N1423 W09035 - N1356 W09057 - N1401 W09105 - N1423 W09035
FCST VA CLD +18HR: 01/0700Z SFC/FL100 N1424 W09035 - N1423 W09035 - N1356 W09058 - N1401 W09106 - N1424 W09035
RMK: UPDATED VAA EARLY DUE TO VA SPREADING MUCH
FURTHER THAN FCST. WELL-DEFINED MDTLY DENSE VA
PLUME DETECTED ON HIRES VIS STLT APROX 75 NM SW
OF SUMMIT MOVG SW. VA SHUD SPREAD TO AT LEAST
150 NM FM SUMMIT OVR OPEN PAC NXT 6 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210331/1915Z
Volcanic Ash Advisory issued on 2021-03-31 at 10:51 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission observation.
  • New light volcanic ash emission observation move south to ssw in satellite imagery. Volcanic ash forecast to continue south to ssw move through t+6hrs before disp. Volcanic ash activity low to moderate. Fisher.

Original Message :

Received FVXX22 at 10:53 UTC, 31/03/21 from KNES
VA ADVISORY
DTG: 20210331/1051Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/168
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: NEW VA EMS OBS
OBS VA DTG: 22/1050Z
OBS VA CLD: SFC/FL100 N1424 W09037 - N1408 W0903 1 - N1410 W09043 - N1424 W09037 MOV S 10KT
FCST VA CLD +6HR: 22/1700Z SFC/FL100 N1425 W09036 - N1408 W09034 - N1412 W09044 - N1425 W09036
FCST VA CLD +12HR: 22/2300Z NO VA EXP
FCST VA CLD +18HR: 23/0500Z NO VA EXP
RMK: NEW LGT VA EMS OBS MOV S TO SSW IN STLT
IMAGERY. VA FCST TO CONT S TO SSW MOV THRU T+6HRS
BEFORE DISP. VA ACT LOW TO MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210331/1645Z
Volcanic Ash Advisory issued on 2021-03-31 at 00:59 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not obsd.
  • Volcanic ash em not seen on satellite imagery. There are no further reports of volcanic ash received. Advisory ended. Kim.

Original Message :

Received FVXX22 at 01:07 UTC, 31/03/21 from KNES
VA ADVISORY
DTG: 20210331/0059Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/167
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT OBSD

OBS VA DTG: 31/0030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 31/0630Z NO VA EXP
FCST VA CLD +12HR: 31/1230Z NO VA EXP
FCST VA CLD +18HR: 31/1830Z NO VA EXP
RMK: VA EM NOT SEEN ON STLT IMAGERY. THERE ARE NO
FURTHER RPRTS OF VA RECEIVED. ADVISORY ENDED.
...KIM
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-30 at 19:30 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em continues.
  • Lght volcanic ash em seen on satellite imagery move approx 15 nmi w from summit. Volcanic ash height and forecast based on imagery and model guidance. Little change expected through t+6 hours. Kim.

Original Message :

Received FVXX22 at 19:34 UTC, 30/03/21 from KNES
VA ADVISORY
DTG: 20210330/1930Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/166
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EM CONTINUES
OBS VA DTG: 30/1900Z
OBS VA CLD: SFC/FL090 N1428 W09051 - N1422 W09036 - N1422 W09036 - N1422 W09052 - N1428 W09051 MOV W 10KT
FCST VA CLD +6HR: 31/0100Z SFC/FL090 N1426 W09047 - N1423 W09037 - N1422 W09036 - N1421 W09047 - N1426 W09047
FCST VA CLD +12HR: 31/0700Z NO VA EXP
FCST VA CLD +18HR: 31/1300Z NO VA EXP
RMK: LGHT VA EM SEEN ON STLT IMAGERY MOV APPROX
15 NMI W FM SUMMIT. VA HEIGHT AND FRCST BASED ON
IMAGERY AND MODEL GUIDANCE.
LTLCG EXPCD THRU T+6 HRS. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210331/0130Z
Volcanic Ash Advisory issued on 2021-03-30 at 14:00 UTC.

    Key information extracted from original VAA message :


  • Minor volcanic ash emission.
  • Light volcanic ash emission noted on hires visibility satellite moving wsw of summit. Webcam not applicable. Nwp model winds forecast to back becoming from the north east next 6hr. Konon.

Original Message :

Received FVXX22 at 14:02 UTC, 30/03/21 from KNES
VA ADVISORY
DTG: 20210330/1400Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/165
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: MINOR VA EMS
OBS VA DTG: 30/1330Z
OBS VA CLD: SFC/FL090 N1425 W09051 - N1423 W09036 - N1422 W09035 - N1420 W09050 - N1425 W09051 MOV W 10KT
FCST VA CLD +6HR: 30/1930Z SFC/FL090 N1423 W09036 - N1423 W09035 - N1414 W09047 - N1416 W09050 - N1423 W09036
FCST VA CLD +12HR: 31/0130Z NO VA EXP
FCST VA CLD +18HR: 31/0730Z NO VA EXP
RMK: LGT VA EMS NOTED ON HIRES VIS STLT MOVG WSW
OF SUMMIT. WEBCAM N/A. NWP MDL WINDS FCST TO BACK
BECMG FM THE NE NXT 6HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210330/2000Z
Volcanic Ash Advisory issued on 2021-03-30 at 08:17 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash seen in satellite.
  • Possible volcanic ash seen in satellite but difficult to see due to meteorological well defined hotspot in s/w imagery. Nwp indicates a continue sw-ly move through t+6 hours. Kibler.

Original Message :

Received FVXX22 at 09:22 UTC, 30/03/21 from KNES
VA ADVISORY
DTG: 20210330/0817Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/164
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: PSBL VA SEEN IN STLT.
OBS VA DTG: 30/0750Z
OBS VA CLD: SFC/FL090 N1424 W09037 - N1422 W09035 - N1412 W09047 - N1420 W09053 - N1424 W09037 MOV SW 10KT
FCST VA CLD +6HR: 30/1400Z SFC/FL090 N1425 W09036 - N1420 W09035 - N1409 W09052 - N1419 W09059 - N1425 W09036
FCST VA CLD +12HR: 30/2000Z NO VA EXP
FCST VA CLD +18HR: 31/0200Z NO VA EXP
RMK: PSBL VA SEEN IN STLT BUT DIFFICULT TO SEE
DUE TO MET CLDS. WELL DEFINED HOTSPOT IN S/W
IMAGERY. NWP INDICATES A CONT SW-LY MOV THRU T+6
HRS. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210330/1415Z
Volcanic Ash Advisory issued on 2021-03-30 at 03:52 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission seen in satellite.
  • Volcanic ash seen in satellite imagery moving southwest from summit. Meteorological clouds obscure part of the view so volcanic ash may be extending out farther. Nwp guidance indicates a continue sw-ly move through t+18 hours. Kibler.

Original Message :

Received FVXX22 at 03:55 UTC, 30/03/21 from KNES
VA ADVISORY
DTG: 20210330/0352Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/163
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS SEEN IN STLT.
OBS VA DTG: 30/0330Z
OBS VA CLD: SFC/FL090 N1423 W09037 - N1422 W09035 - N1409 W09047 - N1417 W09054 - N1423 W09037 MOV SW 15KT
FCST VA CLD +6HR: 30/0930Z SFC/FL090 N1424 W09036 - N1419 W09034 - N1403 W09101 - N1416 W09110 - N1424 W09036
FCST VA CLD +12HR: 30/1530Z SFC/FL090 N1425 W09035 - N1419 W09035 - N1404 W09059 - N1416 W09108 - N1425 W09035
FCST VA CLD +18HR: 30/2130Z SFC/FL090 N1425 W09037 - N1421 W09034 - N1359 W09059 - N1410 W09110 - N1425 W09037
RMK: VA SEEN IN STLT IMAGERY MOVG SW FM SUMMIT.
MET CLDS OBSC PART OF THE VIEW SO VA MAY BE EXTDG
OUT FARTHER. NWP GUIDANCE INDICATES A CONT SW-LY
MOV THRU T+18 HRS. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210330/0945Z
Volcanic Ash Advisory issued on 2021-03-29 at 22:07 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue observation in satellite imagery.
  • Persistent volcanic ash emission continue observation in satellite moving southwest out to approx 77nm from summit. Volcanic ash hgt/dir from stlt/nwp models shows a sw-ly to w-ly movement trend through t+18. Sambucci.

Original Message :

Received FVXX22 at 22:10 UTC, 29/03/21 from KNES
VA ADVISORY
DTG: 20210329/2207Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/162
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
METAR.
ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY
OBS VA DTG: 29/2110Z
OBS VA CLD: SFC/FL110 N1424 W09037 - N1420 W09031 - N1326 W09137 - N1355 W09203 - N1424 W09037 MOV SW 15KT
FCST VA CLD +6HR: 30/0300Z SFC/FL110 N1425 W09035 - N1417 W09033 - N1328 W09149 - N1416 W09206 - N1425 W09035
FCST VA CLD +12HR: 30/0900Z SFC/FL110 N1432 W09206 - N1426 W09036 - N1417 W09034 - N1344 W09202 - N1432 W09206
FCST VA CLD +18HR: 30/1500Z SFC/FL110 N1435 W09207 - N1425 W09035 - N1416 W09036 - N1346 W09204 - N1435 W09207
RMK: PRSTNT VA EMS CONT OBS IN STLT MOVG SW OUT
TO APPROX 77NM FM SUMMIT. VA HGT/DIR FM STLT/NWP
MDLS SHOWS A SW-LY TO W-LY MOVMT TREND THRU T+18.
...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210330/0400Z
Volcanic Ash Advisory issued on 2021-03-29 at 17:00 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Vaa updated early due to volcanic ash moving further than forecast. Volcanic ash plume detected on satellite moving aprox 80 nm southwest of summit to pacific coast. Webcam shows steady volcanic ash emission. Model winds forecast to veer becoming from the e by t+6 hour and then ese by t+18 hour. Konon.

Original Message :

Received FVXX22 at 17:04 UTC, 29/03/21 from KNES
VA ADVISORY
DTG: 20210329/1700Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/161
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 29/1620Z
OBS VA CLD: SFC/FL120 N1423 W09035 - N1420 W09035 - N1353 W09123 - N1407 W09138 - N1423 W09035 MOV SW 20KT
FCST VA CLD +6HR: 29/2230Z SFC/FL120 N1429 W09133 - N1424 W09036 - N1422 W09035 - N1413 W09133 - N1429 W09133
FCST VA CLD +12HR: 30/0430Z SFC/FL120 N1430 W09134 - N1424 W09035 - N1423 W09035 - N1411 W09134 - N1430 W09134
FCST VA CLD +18HR: 30/1030Z SFC/FL120 N1441 W09134 - N1424 W09036 - N1422 W09035 - N1423 W09135 - N1441 W09134
RMK: VAA UPDATED EARLY DUE TO VA MOVG FURTHER
THAN FCST. VA PLUME DETECTED ON STLT MOVG APROX
80 NM SW OF SUMMIT TO PAC COAST. WEBCAM SHOWS STDY
VA EMS. MDL WINDS FCST TO VEER BECMG FM THE E BY
T+6 HR AND THEN ESE BY T+18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210329/2300Z
Volcanic Ash Advisory issued on 2021-03-29 at 15:16 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash detected on satellite moving wsw of summit to flight level 90 (2700m) volcanic ash cascading down summit slope on webcam. Detached volcanic ash plume approximate 45 nm w of summit to pacific coast moving southwest and should dissipate next 6 hour. Konon.

Original Message :

Received FVXX22 at 15:20 UTC, 29/03/21 from KNES
VA ADVISORY -CORRECTION
DTG: 20210329/1516Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/160
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 29/1400Z
OBS VA CLD: SFC/FL120 N1425 W09121 - N1416 W09129 - N1411 W09140 - N1407 W09155 - N1404 W09204 - N1416 W09204 - N1422 W09148 - N1425 W09136 - N1425 W09131 - N1425 W09121 MOV SW 20KT SFC/FL090 N1426 W09050 - N1424 W09035 - N1422 W09036 - N1420 W09050 - N1426 W09050 MOV W 15KT
FCST VA CLD +6HR: 29/2000Z SFC/FL090 N1424 W09036 - N1422 W09035 - N1410 W09056 - N1416 W09059 - N1424 W09036
FCST VA CLD +12HR: 30/0200Z SFC/FL090 N1425 W09035 - N1422 W09035 - N1408 W09059 - N1414 W09102 - N1425 W09035
FCST VA CLD +18HR: 30/0800Z SFC/FL090 N1425 W09101 - N1424 W09034 - N1422 W09035 - N1416 W09101 - N1425 W09101
RMK: VA DETECTED ON STLT MOVG WSW OF SUMMIT TO
FL090. VA CASCADING DOWN SUMMIT SLOPE ON WEBCAM.
DETACHED VA PLUME APRX 45 NM W OF SUMMIT TO PAC
COAST MOVG SW AND SHUD DSIPT NXT 6 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210329/2115Z
Volcanic Ash Advisory issued on 2021-03-29 at 08:41 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission in satellite.
  • Volcanic ash seen in satellite moving southwest with residual volcanic ash extending out 100 nm. Activity has decr over last observation before a break in coverage at a manual station 2 hours with new volcanic ash reaching coast before dsiptg. Residual volcanic ash off coast difficult to see in satellite. Nwp indicates a wsw move by t+12 hours and w by t+18 hours. Kibler.

Original Message :

Received FVXX22 at 08:46 UTC, 29/03/21 from KNES
VA ADVISORY
DTG: 20210329/0841Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/159
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS IN STLT.
OBS VA DTG: 29/0810Z
OBS VA CLD: SFC/FL120 N1423 W09035 - N1418 W09032 - N1320 W09201 - N1401 W09221 - N1408 W09112 - N1423 W09035 MOV SW 15KT
FCST VA CLD +6HR: 29/1400Z SFC/FL120 N1424 W09035 - N1417 W09032 - N1314 W09214 - N1405 W09237 - N1404 W09130 - N1424 W09035
FCST VA CLD +12HR: 29/2000Z SFC/FL120 N1425 W09033 - N1417 W09032 - N1345 W09129 - N1408 W09141 - N1425 W09033
FCST VA CLD +18HR: 30/0200Z SFC/FL120 N1431 W09151 - N1424 W09035 - N1419 W09035 - N1409 W09151 - N1431 W09151
RMK: VA SEEN IN STLT MOVG SW WITH RESIDUAL VA
EXTDG OUT 100 NM. ACT HAS DECR OVER LAST 2
HRS WITH NEW VA REACHING COAST BEFORE DSIPTG.
RESIDUAL VA OFF COAST DIFFICULT TO SEE IN STLT.
NWP INDICATES A WSW MOV BY T+12 HRS AND W BY T+18
HRS. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210329/1445Z
Volcanic Ash Advisory issued on 2021-03-29 at 03:09 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission seen in satellite.
  • Volcanic ash seen in satellite moving southwest and extending 75 nm from summit. An increase in intensity during last observation before a break in coverage at a manual station 3 hours in satellite with well defined hotspot in s/w infrared. Nwp indicates a continue sw-ly move through t+12 and wsw by t+18 hours. Kibler.

Original Message :

Received FVXX22 at 03:13 UTC, 29/03/21 from KNES
VA ADVISORY
DTG: 20210329/0309Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/158
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS SEEN IN STLT.
OBS VA DTG: 29/0240Z
OBS VA CLD: SFC/FL120 N1424 W09037 - N1421 W09034 - N1328 W09119 - N1349 W09141 - N1424 W09037 MOV SW 15KT
FCST VA CLD +6HR: 29/0900Z SFC/FL120 N1425 W09037 - N1420 W09034 - N1313 W09132 - N1337 W09202 - N1425 W09037
FCST VA CLD +12HR: 29/1500Z SFC/FL120 N1425 W09037 - N1419 W09034 - N1324 W09151 - N1349 W09219 - N1425 W09037
FCST VA CLD +18HR: 29/2100Z SFC/FL120 N1426 W09036 - N1419 W09035 - N1338 W09208 - N1404 W09228 - N1426 W09036
RMK: VA SEEN IN STLT MOVG SW AND EXTDG 75 NM FM
SUMMIT. AN INCR IN INTENSITY DURING LAST 3 HRS
IN STLT WITH WELL DEFINED HOTSPOT IN S/W IR. NWP
INDICATES A CONT SW-LY MOV THRU T+12 AND WSW BY
T+18 HRS. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210329/0915Z
Volcanic Ash Advisory issued on 2021-03-29 at 01:17 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation in satellite.
  • Volcanic ash emission observation in satellite move southwest from summit ext 30 nm. Webcam shows continuous volcanic ash emission. Nwp models forecast a continuous southwest volcanic ash movement through t+18. Tuggle.

Original Message :

Received FVXX22 at 01:19 UTC, 29/03/21 from KNES
VA ADVISORY
DTG: 20210329/0117Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/157
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS IN STLT
OBS VA DTG: 29/0040Z
OBS VA CLD: SFC/FL120 N1423 W09037 - N1422 W09034 - N1359 W09049 - N1400 W09055 - N1423 W09037 MOV SW 15KT
FCST VA CLD +6HR: 29/0630Z SFC/FL120 N1424 W09037 - N1423 W09034 - N1355 W09050 - N1357 W09058 - N1424 W09037
FCST VA CLD +12HR: 29/1230Z SFC/FL120 N1424 W09038 - N1422 W09035 - N1353 W09054 - N1358 W09102 - N1424 W09038
FCST VA CLD +18HR: 29/1830Z SFC/FL120 N1425 W09038 - N1422 W09035 - N1358 W09055 - N1404 W09104 - N1425 W09038
RMK: VA EMS OBS IN STLT MOV SW FM SUMMIT EXT 30
NM. WEBCAM SHOWS CONS VA EMS. NWP MDLS FCST A
CONS SW VA MOVMT THRU T+18. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210329/0715Z
Volcanic Ash Advisory issued on 2021-03-28 at 20:08 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite.
  • Volcanic ash emission observation in satellite move southwest from summit. Conf is low due to weather cloud cover over summit. Nwp models forecast little change through t+12. Webcam obscure by weather. Tuggle.

Original Message :

Received FVXX22 at 20:10 UTC, 28/03/21 from KNES
VA ADVISORY
DTG: 20210328/2008Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/156
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS IN STLT
OBS VA DTG: 28/1940Z
OBS VA CLD: SFC/FL120 N1424 W09036 - N1422 W09035 - N1415 W09041 - N1420 W09046 - N1424 W09036 MOV SW 10KT
FCST VA CLD +6HR: 29/0130Z SFC/FL120 N1425 W09036 - N1422 W09035 - N1414 W09043 - N1419 W09049 - N1425 W09036
FCST VA CLD +12HR: 29/0730Z SFC/FL120 N1425 W09036 - N1422 W09035 - N1414 W09042 - N1420 W09049 - N1425 W09036
FCST VA CLD +18HR: 29/1330Z NO VA EXP
RMK: VA EMS OBS IN STLT MOV SW FM SUMMIT. CONF IS
LOW DUE TO WX CLD COVER OVER SUMMIT. NWP MDLS
FCST LTLCG THRU T+12. WEBCAM OBSC BY WX CLDS.
...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210329/0215Z
Volcanic Ash Advisory issued on 2021-03-28 at 14:31 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Well-defined narrow volcanic ash plume detected on visibility satellite moving aprox 45 nm nw of summit b4 dsiptng, webcam shows continuous volcanic ash emission. Nwp model winds do not agree with volcanic ash direction currently. Winds aloft forecast to back becoming from the north east by t+18 hour. Konon.

Original Message :

Received FVXX22 at 14:34 UTC, 28/03/21 from KNES
VA ADVISORY
DTG: 20210328/1431Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/155
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 28/1400Z
OBS VA CLD: SFC/FL120 N1437 W09119 - N1423 W09037 - N1423 W09035 - N1422 W09035 - N1435 W09120 - N1437 W09119 MOV NW 20KT
FCST VA CLD +6HR: 28/2000Z SFC/FL120 N1431 W09121 - N1423 W09036 - N1422 W09035 - N1428 W09121 - N1431 W09121
FCST VA CLD +12HR: 29/0200Z SFC/FL120 N1423 W09036 - N1422 W09035 - N1411 W09116 - N1416 W09117 - N1423 W09036
FCST VA CLD +18HR: 29/0800Z SFC/FL120 N1423 W09037 - N1423 W09035 - N1358 W09109 - N1402 W09111 - N1423 W09037
RMK: WELL-DEFINED NARROW VA PLUME DETECTED ON VIS
STLT MOVG APROX 45 NM NW OF SUMMIT B4 DSIPTNG,
WEBCAM SHOWS CONS VA EMS. NWP MDL WINDS DO NOT
AGREE WITH VA DIR CURRENTLY. WINDS ALOFT FCST TO
BACK BECMG FM THE NE BY T+18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210328/2030Z
Volcanic Ash Advisory issued on 2021-03-28 at 08:39 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash observation in satellite ext up to 23 nm w from summit. Mvmt exp to back slightly through t+6 hours. Clark.

Original Message :

Received FVXX22 at 08:40 UTC, 28/03/21 from KNES
VA ADVISORY
DTG: 20210328/0839Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/154
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 28/0820Z
OBS VA CLD: SFC/FL110 N1428 W09059 - N1424 W09035 - N1422 W09035 - N1420 W09059 - N1428 W09059 MOV W 10KT
FCST VA CLD +6HR: 28/1430Z SFC/FL110 N1425 W09035 - N1422 W09034 - N1412 W09108 - N1420 W09110 - N1425 W09035
FCST VA CLD +12HR: 28/2030Z NO VA EXP
FCST VA CLD +18HR: 29/0230Z NO VA EXP
RMK: VA OBS IN SAT EXT UP TO 23 NM W FM SUMMIT.
FL MVMT EXP TO BACK SLIGHTLY THRU T+6 HRS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210328/1445Z
Volcanic Ash Advisory issued on 2021-03-28 at 02:48 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash observation in satellite ext up to 20 nm wsw from summit.

Original Message :

Received FVXX22 at 02:50 UTC, 28/03/21 from KNES
VA ADVISORY
DTG: 20210328/0248Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/153
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 28/0230Z
OBS VA CLD: SFC/FL110 N1424 W09035 - N1422 W09034 - N1410 W09050 - N1420 W09054 - N1424 W09035 MOV SW 15KT
FCST VA CLD +6HR: 28/0830Z SFC/FL110 N1425 W09035 - N1422 W09034 - N1407 W09115 - N1422 W09117 - N1425 W09035
FCST VA CLD +12HR: 28/1430Z NO VA EXP
FCST VA CLD +18HR: 28/2030Z NO VA EXP
RMK: VA OBS IN SAT EXT UP TO 20 NM WSW FM SUMMIT.
OBS VA FL BASED ON PREV VAA. FL MVMT EXP TO VEER
SLIGHTLY THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210328/0845Z
Volcanic Ash Advisory issued on 2021-03-27 at 20:54 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission observation from satellite data and webcam.
  • Frequent volcanic ash emission observation from satellite data and webcam. Most regard em xtnds to about 20nm southwest of summit. Some volcanic ash may be obscured by weather volcanic ash forecast to generally shift to the w through t+12. And winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 20:56 UTC, 27/03/21 from KNES
VA ADVISORY
DTG: 20210327/2054Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/152
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQ VA EMS OBS FM STLT DATA AND
WEBCAM
OBS VA DTG: 27/2030Z
OBS VA CLD: SFC/FL110 N1424 W09036 - N1421 W09035 - N1405 W09050 - N1412 W09057 - N1424 W09036 MOV SW 15KT
FCST VA CLD +6HR: 28/0230Z SFC/FL110 N1427 W09107 - N1425 W09035 - N1419 W09035 - N1355 W09106 - N1427 W09107
FCST VA CLD +12HR: 28/0830Z SFC/FL110 N1428 W09121 - N1424 W09035 - N1421 W09035 - N1356 W09120 - N1428 W09121
FCST VA CLD +18HR: 28/1430Z NO VA EXP
RMK: FRQ VA EMS OBS FM STLT DATA AND WEBCAM. MOST
RE EM XTNDS TO ABT 20NM SW OF SUMMIT. SOME VA
MAY BE OBSCD BY WX CLDS. VA FCST TO GENLY SHFT TO
THE W THRU T+12. FL AND WINDS FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210328/0300Z
Volcanic Ash Advisory issued on 2021-03-27 at 16:26 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission have disp in satellite imagery.
  • Earlier volcanic ash emission observation in satellite have disp. Low conf in vaa due to persistent summit hotspot observation in satellite. No new volcanic ash rprts/obs received from meteorological watch office. Volcanic ash event ended. Sambucci.

Original Message :

Received FVXX22 at 16:30 UTC, 27/03/21 from KNES
VA ADVISORY
DTG: 20210327/1626Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/151
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS HAVE DISP IN STLT IMAGERY
OBS VA DTG: 27/1600Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 27/2200Z NO VA EXP
FCST VA CLD +12HR: 28/0400Z NO VA EXP
FCST VA CLD +18HR: 28/1000Z NO VA EXP
RMK: EARLIER VA EMS OBS IN STLT HAVE DISP. LOW
CONF IN VAA DUE TO PRSTNT SUMMIT HOTSPOT OBS IN STLT. NO
NEW VA RPRTS/OBS RECEIVED FM MWO. VA EVENT ENDED.
...SAMBUCCI
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-27 at 12:02 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission observation in satellite imagery.
  • Occasional volcanic ash emission observation in satellite and summit webcam moving southwest from summit. Volcanic ash hgt/dir from stlt/nwp models shows continue sw-ly momvt trend through t+6. Sambucci.

Original Message :

Received FVXX22 at 12:04 UTC, 27/03/21 from KNES
VA ADVISORY
DTG: 20210327/1202Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/150
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: OCNL VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 27/1140Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1422 W09034 - N1404 W09044 - N1411 W09053 - N1423 W09037 MOV SW 10KT
FCST VA CLD +6HR: 27/1730Z SFC/FL100 N1424 W09037 - N1422 W09034 - N1359 W09044 - N1409 W09100 - N1424 W09037
FCST VA CLD +12HR: 27/2330Z NO VA EXP
FCST VA CLD +18HR: 28/0530Z NO VA EXP
RMK: OCNL VA EMS OBS IN STLT AND SUMMIT WEBCAM
MOVG SW FM SUMMIT. VA HGT/DIR FM STLT/NWP MDLS
SHOWS CONT SW-LY MOMVT TREND THRU T+6. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210327/1800Z
Volcanic Ash Advisory issued on 2021-03-27 at 07:35 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation in satellite.
  • Volcanic ash not observation in satellite imagery. Infrared hotspot persists. Webcam shows possible continued volume activity but is partially obscured by weather. Clark.

Original Message :

Received FVXX22 at 07:37 UTC, 27/03/21 from KNES
VA ADVISORY
DTG: 20210327/0735Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/149
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA NOT OBS IN SAT.
OBS VA DTG: 27/0710Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 27/1300Z NO VA EXP
FCST VA CLD +12HR: 27/1900Z NO VA EXP
FCST VA CLD +18HR: 28/0100Z NO VA EXP
RMK: VA NOT OBS IN SAT IMAGERY. IR HOTSPOT
PERSISTS. WEBCAM SHOWS PSBL CONTD VOL ACT BUT IS
PARTIALLY OBSCD BY WX CLDS. ...CLARK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-27 at 01:47 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission.
  • Light volcanic ash is observation move sw, but is quite faint and difficult to see. Zhu.

Original Message :

Received FVXX22 at 01:49 UTC, 27/03/21 from KNES
VA ADVISORY
DTG: 20210327/0147Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/148
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS
OBS VA DTG: 27/0110Z
OBS VA CLD: SFC/FL110 N1423 W09036 - N1422 W09035 - N1404 W09059 - N1407 W09106 - N1423 W09036 MOV SW 15KT
FCST VA CLD +6HR: 27/0700Z NO VA EXP
FCST VA CLD +12HR: 27/1300Z NO VA EXP
FCST VA CLD +18HR: 27/1900Z NO VA EXP
RMK: LGT VA IS OBS MOV SW, BUT IS QUITE FAINT AND
OFTEN DIFFICULT TO SEE. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20210327/0745Z
Volcanic Ash Advisory issued on 2021-03-26 at 20:41 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash is seen move southwest up to 26nm from the summit. Nwp model indicates a clockwise southwest to w move through t+12 hours. Zhu.

Original Message :

Received FVXX22 at 20:43 UTC, 26/03/21 from KNES
VA ADVISORY
DTG: 20210326/2041Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/147
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 26/2000Z
OBS VA CLD: SFC/FL110 N1422 W09036 - N1422 W09034 - N1401 W09052 - N1407 W09102 - N1422 W09036 MOV SW 20KT
FCST VA CLD +6HR: 27/0200Z SFC/FL110 N1422 W09035 - N1411 W09111 - N1358 W09059 - N1422 W09036 - N1422 W09035
FCST VA CLD +12HR: 27/0800Z SFC/FL110 N1422 W09036 - N1421 W09036 - N1357 W09113 - N1417 W09120 - N1422 W09036
FCST VA CLD +18HR: 27/1400Z NO VA EXP
RMK: VA IS SEEN MOV SW UP TO 26NM FM THE SUMMIT.
NWP MDL INDICATES A CLOCKWISE SW TO W MOV THRU
T+12 HRS. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20210327/0245Z
Volcanic Ash Advisory issued on 2021-03-26 at 14:47 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation from satellite and webcam.
  • Continuous volcanic ash emission observation from satellite data and webcam. Remnant volcanic ash to the south is mvg southwest w along w new volcanic ash. Volcanic ash forecast to shift generally to the w through t+12. And winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 14:49 UTC, 26/03/21 from KNES
VA ADVISORY
DTG: 20210326/1447Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/146
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS FM STLT AND
WEBCAM
OBS VA DTG: 26/1410Z
OBS VA CLD: SFC/FL110 N1423 W09035 - N1345 W09025 - N1355 W09047 - N1414 W09056 - N1423 W09035 MOV SW 10KT
FCST VA CLD +6HR: 26/2000Z SFC/FL110 N1423 W09035 - N1343 W09032 - N1332 W09050 - N1405 W09115 - N1423 W09035
FCST VA CLD +12HR: 27/0200Z SFC/FL110 N1423 W09036 - N1334 W09110 - N1355 W09137 - N1422 W09110 - N1423 W09036
FCST VA CLD +18HR: 27/0800Z NO VA EXP
RMK: CONS VA EMS OBS FM STLT DATA AND WEBCAM.
REMNANT VA TO THE S IS MVG SW W ALG W NEW VA. VA
FCST TO SHFT GENLY TO THE W THRU T+12. FL AND
WINDS FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210326/2045Z
Volcanic Ash Advisory issued on 2021-03-26 at 11:27 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission observation in satellite.
  • Frequent volcanic ash emission observation in satellite data extending to about 10nm sse of summit. Volcanic ash and winds based on prev activity with low confid since observation volcanic ash direction does not w nwp model. Mlevine.

Original Message :

Received FVXX20 at 11:30 UTC, 26/03/21 from KNES
VA ADVISORY
DTG: 20210326/1127Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/145
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: FRQ VA EMS OBS IN STLT
OBS VA DTG: 26/1050Z
OBS VA CLD: SFC/FL100 N1423 W09037 - N1423 W09034 - N1413 W09029 - N1413 W09037 - N1423 W09037 MOV S 10KT
FCST VA CLD +6HR: 26/1700Z SFC/FL100 N1424 W09034 - N1407 W09024 - N1407 W09041 - N1423 W09037 - N1424 W09034
FCST VA CLD +12HR: 26/2300Z NO VA EXP
FCST VA CLD +18HR: 27/0500Z NO VA EXP
RMK: FRQ VA EMS OBS IN STLT DATA XTNDG TO ABT
10NM SSE OF SUMMIT. VA FL AND WINDS BASED ON PREV
ACT WITH LOW CONFID SINCE OBS VA DIR DOES NOT
ALIGN W NWP MDL WINDS. ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210326/1730Z
Volcanic Ash Advisory issued on 2021-03-26 at 10:25 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation in satellite.
  • Light volcanic ash em observation in satellite ext se 10 nm from summit.

Original Message :

Received FVXX22 at 10:26 UTC, 26/03/21 from KNES
VA ADVISORY
DTG: 20210326/1025Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/144
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA OBS IN SAT.
OBS VA DTG: 26/1000Z
OBS VA CLD: SFC/FL100 N1425 W09035 - N1423 W09023 - N1414 W09029 - N1423 W09036 - N1425 W09035 MOV SE 5KT
FCST VA CLD +6HR: 26/1600Z SFC/FL100 N1425 W09036 - N1420 W09016 - N1409 W09021 - N1423 W09036 - N1425 W09036
FCST VA CLD +12HR: 26/2200Z NO VA EXP
FCST VA CLD +18HR: 27/0400Z NO VA EXP
RMK: LGT VA EM OBS IN SAT EXT SE 10 NM FM SUMMIT.
OBS VA FL BASED ON PREV ACT WITH LOW CONFIDENCE.
OBS VA DIR DOES NOT ALIGN WITH NWP MDL WINDS.
WEBCAM OBSCD BY WX CLDS. FL MVMT FCST TO PERSIST
THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210326/1630Z
Volcanic Ash Advisory issued on 2021-03-25 at 19:08 UTC.

    Key information extracted from original VAA message :


  • Prev volcanic ash emission disp.
  • Prev volcanic ash emission disp. Volcanic ash emission not observation in satellite under mostly clear. Tuggle.

Original Message :

Received FVXX22 at 19:10 UTC, 25/03/21 from KNES
VA ADVISORY
DTG: 20210325/1908Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/143
INFO SOURCE: GOES-16.
ERUPTION DETAILS: PREV VA EMS DISP
OBS VA DTG: 25/1850Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 26/0100Z NO VA EXP
FCST VA CLD +12HR: 26/0700Z NO VA EXP
FCST VA CLD +18HR: 26/1300Z NO VA EXP
RMK: PREV VA EMS DISP. VA EMS NOT OBS IN STLT
UNDER MSTLY CLR CONDS. ...TUGGLE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-25 at 14:37 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission observation from webcam.
  • Frequent volcanic ash emission observation from webcam and possibly satellite data. Xtnsv weather cloud cover and possible steam emission obscure volcanic ash from being clrly seen from satellite data. From insivumeh daily diary and winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 14:40 UTC, 25/03/21 from KNES
VA ADVISORY
DTG: 20210325/1437Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/142
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
INSIVUMEH.
ERUPTION DETAILS: FRQ VA EMS OBS FM WEBCAM
OBS VA DTG: 25/1410Z
OBS VA CLD: SFC/FL130 N1434 W09035 - N1426 W09024 - N1422 W09037 - N1434 W09035 MOV NE 10KT
FCST VA CLD +6HR: 25/2000Z SFC/FL130 N1431 W09040 - N1429 W09028 - N1422 W09035 - N1431 W09040
FCST VA CLD +12HR: 26/0200Z NO VA EXP
FCST VA CLD +18HR: 26/0800Z NO VA EXP
RMK: FRQ VA EMS OBS FM WEBCAM AND PSBLY STLT
DATA. XTNSV WX CLD COVER AND PSBL STEAM EMS OBSC
VA FM BEING CLRLY SEEN FM STLT DATA. FL FM
INSIVUMEH DAILY DIARY AND WINDS FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210325/2030Z
Volcanic Ash Advisory issued on 2021-03-25 at 11:59 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em not observation from satellite data.
  • Volcanic ash em not observation from satellite data. Light emission possibly seen from webcam or obscured by weather clouds but amount does not appear signature. Mlevine.

Original Message :

Received FVXX22 at 12:01 UTC, 25/03/21 from KNES
VA ADVISORY
DTG: 20210325/1159Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/141
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EM NOT OBS FM STLT DATA
OBS VA DTG: 25/1130Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 25/1730Z NO VA EXP
FCST VA CLD +12HR: 25/2330Z NO VA EXP
FCST VA CLD +18HR: 26/0530Z NO VA EXP
RMK: VA EM NOT OBS FM STLT DATA. LGT EMS PSBLY
SEEN FM WEBCAM OR OBSCD BY WX CLDS BUT AMT DOES
NOT APPR SIG ...MLEVINE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-25 at 06:29 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission observation in satellite imagery.
  • Occasional volcanic ash emission observation in satellite and summit webcam. Low conf in vaa due to light winds over region. Volcanic ash hgt/dir from prev vaa, stlt/nwp models shows n-ly to ne-ly movement trend through t+6. Sambucci.

Original Message :

Received FVXX22 at 06:32 UTC, 25/03/21 from KNES
VA ADVISORY
DTG: 20210325/0629Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/140
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: OCNL VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 25/0600Z
OBS VA CLD: SFC/FL120 N1432 W09041 - N1431 W09032 - N1423 W09034 - N1420 W09037 - N1432 W09041 MOV N 5KT
FCST VA CLD +6HR: 25/1200Z SFC/FL120 N1437 W09030 - N1427 W09019 - N1420 W09034 - N1423 W09038 - N1437 W09030
FCST VA CLD +12HR: 25/1800Z NO VA EXP
FCST VA CLD +18HR: 26/0000Z NO VA EXP
RMK: OCNL VA EMS OBS IN STLT AND SUMMIT WEBCAM.
LOW CONF IN VAA DUE TO LGT WINDS OVER REGION. VA
HGT/DIR FM PREV VAA, STLT/NWP MDLS SHOWS N-LY TO
NE-LY MOVMT TREND THRU T+6. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210325/1230Z
Volcanic Ash Advisory issued on 2021-03-25 at 00:38 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation move se.
  • Volcanic ash observation ext 20 nm se from summit below flight level 120 (3600m).

Original Message :

Received FVXX22 at 00:40 UTC, 25/03/21 from KNES
VA ADVISORY
DTG: 20210325/0038Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/139
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA OBS MOV SE.
OBS VA DTG: 25/0010Z
OBS VA CLD: SFC/FL120 N1424 W09035 - N1415 W09019 - N1410 W09023 - N1423 W09036 - N1424 W09035 MOV SE 5KT
FCST VA CLD +6HR: 25/0600Z SFC/FL120 N1423 W09035 - N1409 W09021 - N1405 W09026 - N1423 W09036 - N1423 W09035
FCST VA CLD +12HR: 25/1200Z SFC/FL120 N1423 W09035 - N1408 W09019 - N1404 W09026 - N1422 W09036 - N1423 W09035
FCST VA CLD +18HR: 25/1800Z NO VA EXP
RMK: VA OBS EXT 20 NM SE FM SUMMIT BELOW FL120.
OBS VA FL BASED ON NWP MDLS. VA MVMT FCST TO
REMAIN SE-LY. LOW CONFIDENCE IN FCST DUE TO LGT
FL WINDS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210325/0645Z
Volcanic Ash Advisory issued on 2021-03-24 at 20:28 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash observation ext up to 20 nm north east from summit. Weather clouds.

Original Message :

Received FVXX22 at 20:29 UTC, 24/03/21 from KNES
VA ADVISORY
DTG: 20210324/2028Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/138
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 24/2010Z
OBS VA CLD: SFC/FL130 N1437 W09023 - N1432 W09019 - N1423 W09035 - N1423 W09037 - N1437 W09023 MOV NE 10KT
FCST VA CLD +6HR: 25/0200Z SFC/FL130 N1438 W09034 - N1423 W09035 - N1422 W09037 - N1438 W09038 - N1438 W09034
FCST VA CLD +12HR: 25/0800Z SFC/FL130 N1439 W09036 - N1423 W09035 - N1422 W09037 - N1439 W09040 - N1439 W09036
FCST VA CLD +18HR: 25/1400Z NO VA EXP
RMK: VA OBS EXT UP TO 20 NM NE FM SUMMIT. WX CLDS
OBSC WEBCAM AND LIKELY OBSC PORTION OF VA PLUME
IN SAT IMAGERY. OBS VA FL BASED ON PREV VAA. NWP
MDLS INDICATE FL MVMT TO TURN TO N BY T+6 HRS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210325/0230Z
Volcanic Ash Advisory issued on 2021-03-24 at 15:03 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation from satellite data.
  • Continuous volcanic ash emission observation from satellite data and webcam. Has been cord to 130 from insivumeh daily diary. Nwp generally forecast winds to back to the north through t+18. Mlevine.

Original Message :

Received FVXX22 at 15:05 UTC, 24/03/21 from KNES
VA ADVISORY
DTG: 20210324/1503Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/137
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
INSIVUMEH.
ERUPTION DETAILS: CONS VA EMS OBS FM STLT DATA
OBS VA DTG: 24/1420Z
OBS VA CLD: SFC/FL130 N1441 W09031 - N1438 W09021 - N1422 W09035 - N1422 W09037 - N1441 W09031 MOV NE 10KT
FCST VA CLD +6HR: 24/2030Z SFC/FL130 N1443 W09031 - N1438 W09014 - N1422 W09034 - N1423 W09037 - N1443 W09031
FCST VA CLD +12HR: 25/0230Z SFC/FL130 N1444 W09041 - N1423 W09035 - N1422 W09036 - N1437 W09055 - N1444 W09041
FCST VA CLD +18HR: 25/0830Z SFC/FL130 N1446 W09030 - N1422 W09035 - N1422 W09037 - N1446 W09044 - N1446 W09030
RMK: CONS VA EMS OBS FM STLT DATA AND WEBCAM. FL
HAS BEEN CORD TO 130 FM INSIVUMEH DAILY DIARY.
NWP GENLY FCSTS WINDS TO BACK TO THE N THRU T+18.
...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210324/2100Z
Volcanic Ash Advisory issued on 2021-03-24 at 13:52 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission observation from satellite data.
  • Frequent volcanic ash emission observation from satellite data with most regard em extending to about 15nm nne of summit. Winds forecast to generally shift to the north through t+18. Winds and from nwp. Mlevine.

Original Message :

Received FVXX22 at 13:54 UTC, 24/03/21 from KNES
VA ADVISORY
DTG: 20210324/1352Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/136
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: FRQ VA EMS OBS FM STLT DATA
OBS VA DTG: 24/1320Z
OBS VA CLD: SFC/FL100 N1440 W09035 - N1436 W09023 - N1422 W09035 - N1423 W09037 - N1440 W09035 MOV NE 5KT
FCST VA CLD +6HR: 24/1930Z SFC/FL100 N1436 W09044 - N1434 W09025 - N1422 W09035 - N1422 W09040 - N1436 W09044
FCST VA CLD +12HR: 25/0130Z SFC/FL100 N1440 W09033 - N1422 W09035 - N1422 W09038 - N1438 W09048 - N1440 W09033
FCST VA CLD +18HR: 25/0730Z SFC/FL100 N1440 W09042 - N1440 W09029 - N1422 W09034 - N1422 W09037 - N1440 W09042
RMK: FRQ VA EMS OBS FM STLT DATA WITH MOST RE EM
XTNDG TO ABT 15NM NNE OF SUMMIT. WINDS FCST TO
GENLY SHIFT TO THE N THRU T+18. WINDS AND FL FM
NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210324/1945Z
Volcanic Ash Advisory issued on 2021-03-24 at 08:29 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue observation in satellite imagery.
  • Volcanic ash emission observation in satellite and summit web cam moving north from summit. Volcanic ash dir/hgt from stlt/nwp models shows n-ly to ne-ly movt trend through t+6 then ne-ly to w-ly movement trend through t+12. Sambucci.

Original Message :

Received FVXX22 at 08:32 UTC, 24/03/21 from KNES
VA ADVISORY
DTG: 20210324/0829Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/135
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
METAR.
ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY
OBS VA DTG: 24/0800Z
OBS VA CLD: SFC/FL100 N1434 W09042 - N1434 W09031 - N1421 W09034 - N1420 W09038 - N1434 W09042 MOV N 5KT
FCST VA CLD +6HR: 24/1400Z SFC/FL100 N1441 W09032 - N1432 W09019 - N1420 W09034 - N1422 W09040 - N1441 W09032
FCST VA CLD +12HR: 24/2000Z SFC/FL100 N1430 W09055 - N1425 W09035 - N1419 W09034 - N1416 W09055 - N1430 W09055
FCST VA CLD +18HR: 25/0200Z NO VA EXP
RMK: VA EMS OBS IN STLT AND SUMMIT WEB CAM MOVG N
FM SUMMIT. VA DIR/HGT FM STLT/NWP MDLS SHOWS N-LY
TO NE-LY MOVT TREND THRU T+6 THEN NE-LY TO W-LY
MOVMT TREND THRU T+12. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210324/1430Z
Volcanic Ash Advisory issued on 2021-03-24 at 02:44 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue observation in satellite imagery.
  • Volcanic ash emission observation in satellite and summit webcam moving wsw and w from summit. Volcanic ash hgt/dir from stlt/nwp models shows a wsw-ly/w-ly to nw-ly movement trend through t+12. Sambucci.

Original Message :

Received FVXX22 at 02:47 UTC, 24/03/21 from KNES
VA ADVISORY
DTG: 20210324/0244Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/134
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY
OBS VA DTG: 24/0220Z
OBS VA CLD: SFC/FL110 N1428 W09048 - N1424 W09035 - N1418 W09032 - N1413 W09048 - N1428 W09048 MOV W 10KT
FCST VA CLD +6HR: 24/0830Z SFC/FL110 N1439 W09052 - N1424 W09034 - N1420 W09036 - N1423 W09056 - N1439 W09052
FCST VA CLD +12HR: 24/1430Z SFC/FL110 N1445 W09051 - N1423 W09032 - N1420 W09036 - N1428 W09058 - N1445 W09051
FCST VA CLD +18HR: 24/2030Z NO VA EXP
RMK: VA EMS OBS IN STLT AND SUMMIT WEBCAM MOVG
WSW AND W FM SUMMIT. VA HGT/DIR FM STLT/NWP MDLS
SHOWS A WSW-LY/W-LY TO NW-LY MOVMT TREND THRU
T+12. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210324/0845Z
Volcanic Ash Advisory issued on 2021-03-23 at 21:14 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move north east from summit in satellite imagery. Volcanic ash forecast to continue north east move through forecast based on continuity. Nwp models show var. Volcano activity moderate. Fisher.

Original Message :

Received FVXX22 at 21:16 UTC, 23/03/21 from KNES
VA ADVISORY
DTG: 20210323/2114Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/133
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 23/2112Z
OBS VA CLD: SFC/FL100 N1459 W09008 - N1436 W08949 - N1426 W09035 - N1459 W09008 MOV NE 5KT
FCST VA CLD +6HR: 24/0300Z SFC/FL100 N1501 W09007 - N1433 W08950 - N1427 W09037 - N1501 W09007
FCST VA CLD +12HR: 24/0900Z NO VA EXP
FCST VA CLD +18HR: 24/1500Z NO VA EXP
RMK: CONT VA EMS OBS MOV NE FM SUMMIT IN STLT
IMAGERY. VA FCST TO CONT NE MOV THRU T+6HRS. FCST
BASED ON CONTINUITY. NWP MDLS SHOW VAR. VO
ACTIVITY MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210324/0315Z
Volcanic Ash Advisory issued on 2021-03-23 at 15:28 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash em observation from satellite data.
  • Continuous volcanic ash em observation from satellite data. Lower remnent volcanic ash seen as far as around 50nm from summit while higher volcanic ash mvg southwest but obscured by weather cloud. Both plumes forecast to veer in dctn over forecast period from nwp. Mlevine.

Original Message :

Received FVXX22 at 15:31 UTC, 23/03/21 from KNES
VA ADVISORY
DTG: 20210323/1528Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/132
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EM OBS FM STLT DATA
OBS VA DTG: 23/1500Z
OBS VA CLD: SFC/FL100 N1515 W09021 - N1502 W08942 - N1421 W09034 - N1423 W09037 - N1515 W09021 MOV NE 10KT SFC/FL150 N1423 W09037 - N1422 W09034 - N1406 W09050 - N1413 W09056 - N1423 W09037 MOV SW 10KT
FCST VA CLD +6HR: 23/2100Z SFC/FL100 N1459 W09017 - N1434 W08952 - N1421 W09035 - N1422 W09037 - N1459 W09017 SFC/FL150 N1423 W09036 - N1422 W09035 - N1358 W09054 - N1408 W09106 - N1423 W09036
FCST VA CLD +12HR: 24/0300Z SFC/FL100 NO VA
EXP SFC/FL150 N1425 W09035 - N1422 W09035 - N1359
W09107 - N1419 W09113 - N1425 W09035
FCST VA CLD +18HR: 24/0900Z SFC/FL150 N1425 W09035 - N1422 W09035 - N1400 W09114 - N1422 W09116 - N1425 W09035
RMK: CONS VA EM OBS FM STLT DATA. LWR FL REMNENT
VA SEEN AS FAR AS ARND 50NM FM SUMMIT WHILE HIER
FL VA MVG SW BUT OBSCD BY WX CLD. BOTH PLUMES
FCST TO VEER IN DCTN OVR FCST PD FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210323/2130Z
Volcanic Ash Advisory issued on 2021-03-23 at 11:29 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation.
  • Continuous volcanic ash emission observation from satellite data. Frequent emission mvg ese forecast to shift south and then eventually w through t+18 while continuous volcanic ash mvg nne forecast to shift to the nne through t+6. And wind from nwp. Mlevine.

Original Message :

Received FVXX22 at 11:32 UTC, 23/03/21 from KNES
VA ADVISORY
DTG: 20210323/1129Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/131
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS
OBS VA DTG: 23/1050Z
OBS VA CLD: SFC/FL100 N1508 W09034 - N1507 W09023 - N1422 W09032 - N1423 W09038 - N1508 W09034 MOV N 10KT SFC/FL140 N1425 W09035 - N1424 W09005 - N1407 W09010 - N1419 W09038 - N1424 W09037 - N1425 W09035 MOV E 10KT
FCST VA CLD +6HR: 23/1700Z SFC/FL100 N1508 W09022 - N1503 W09001 - N1423 W09032 - N1423 W09035 - N1508 W09022 SFC/FL140 N1423 W09035 - N1422 W09020 - N1355 W09017 - N1356 W09040 - N1423 W09038 - N1423 W09035
FCST VA CLD +12HR: 23/2300Z SFC/FL100 NO VA
EXP SFC/FL140 N1423 W09033 - N1345 W09034 - N1347
W09052 - N1422 W09038 - N1423 W09033
FCST VA CLD +18HR: 24/0500Z SFC/FL140 N1424 W09115 - N1423 W09036 - N1420 W09035 - N1408 W09114 - N1424 W09115
RMK: CONS VA EMS OBS FM STLT DATA. FRQ EMS MVG
ESE FCST TO SHFT S AND THEN EVENTUALLY W THRU
T+18 WHILE CONS VA MVG NNE FCST TO SHFT TO THE
NNE THRU T+6. FL AND WIND FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210323/1730Z
Volcanic Ash Advisory issued on 2021-03-23 at 06:42 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation.
  • Continuous volcanic ash emission observation in satellite. Light remnant volcanic ash extending north approximate 19 nmi aligns with flight level 140 (4200m) new emission observation move ese of summit approximate 20 nm based on flight level 170 (5100m) winds forecast to turn to s/sw and accel through t+6 hour. Jlevine.

Original Message :

Received FVXX22 at 06:43 UTC, 23/03/21 from KNES
VA ADVISORY
DTG: 20210323/0642Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/130
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS.
OBS VA DTG: 23/0610Z
OBS VA CLD: SFC/FL140 N1444 W09043 - N1444 W09029 - N1422 W09035 - N1422 W09037 - N1444 W09043 MOV N 5KT SFC/FL170 N1423 W09035 - N1414 W09014 - N1402 W09026 - N1422 W09036 - N1423 W09035 MOV SE 10KT
FCST VA CLD +6HR: 23/1200Z SFC/FL140 NO VA
EXP SFC/FL170 N1423 W09035 - N1400 W09025 - N1359
W09044 - N1422 W09036 - N1423 W09035
FCST VA CLD +12HR: 23/1800Z SFC/FL170 N1423 W09035 - N1422 W09034 - N1355 W09038 - N1400 W09100 - N1423 W09035
FCST VA CLD +18HR: 24/0000Z SFC/FL170 N1423 W09035 - N1422 W09034 - N1355 W09038 - N1400 W09101 - N1423 W09035
RMK: CONS VA EMS OBS IN STLT. LGT REMNANT VA
EXTDG N APRX 19 NMI ALIGNS WITH FL140 WINDS. NEW
EMS OBS MOV ESE OF SUMMIT APRX 20 NM BASED ON
FL170. WINDS FCST TO TURN TO S/SW AND ACCEL THRU
T+6 HR. ...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210323/1245Z
Volcanic Ash Advisory issued on 2021-03-23 at 03:01 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash clouds observation in satellite.
  • Volcanic ash clouds observation in satellite move sse of summit approximate 10 nm and mixing with weather cloud. Outdated weather model runs suggest winds to se at flight level 140 (4200m) at 10 kts. Jlevine.

Original Message :

Received FVXX22 at 03:03 UTC, 23/03/21 from KNES
VA ADVISORY
DTG: 20210323/0301Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/129
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA CLDS OBS IN STLT.
OBS VA DTG: 23/0220Z
OBS VA CLD: SFC/FL140 N1423 W09035 - N1414 W09028 - N1413 W09037 - N1422 W09036 - N1423 W09035 MOV SE 10KT
FCST VA CLD +6HR: 23/0830Z SFC/FL140 N1423 W09035 - N1412 W09025 - N1409 W09037 - N1423 W09036 - N1423 W09035
FCST VA CLD +12HR: 23/1430Z NO VA EXP
FCST VA CLD +18HR: 23/2030Z NO VA EXP
RMK: VA CLDS OBS IN STLT MOV SSE OF SUMMIT APRX
10 NM AND MIXING WITH WX CLD. OUTDATED WX MODEL
RUNS SUGGEST WINDS TO SE AT FL140 AT 10 KTS.
...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210323/0900Z
Volcanic Ash Advisory issued on 2021-03-22 at 21:32 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash emission observation in satellite move e from summit then spreading ese. Volcanic ash extg aprox 10 nm from summit. Nwp models forecast volcanic ash to move se/s through t+18. Tuggle.

Original Message :

Received FVXX22 at 21:35 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/2132Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/128
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 22/2100Z
OBS VA CLD: SFC/FL200 N1426 W09024 - N1414 W09027 - N1422 W09036 - N1424 W09036 - N1426 W09024 MOV E 10KT
FCST VA CLD +6HR: 23/0300Z SFC/FL200 N1426 W09021 - N1413 W09025 - N1421 W09037 - N1424 W09036 - N1426 W09021
FCST VA CLD +12HR: 23/0900Z SFC/FL200 N1424 W09036 - N1420 W09020 - N1408 W09031 - N1422 W09036 - N1424 W09036
FCST VA CLD +18HR: 23/1500Z SFC/FL200 N1423 W09037 - N1423 W09035 - N1410 W09031 - N1411 W09045 - N1423 W09037
RMK: VA EMS OBS IN STLT MOV E FM SUMMIT THEN
SPREADING ESE. VA EXTG APROX 10 NM FM SUMMIT. NWP
MDLS FCST VA TO MOV SE/S THRU T+18. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210323/0330Z
Volcanic Ash Advisory issued on 2021-03-22 at 15:58 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation from satellite.
  • Continuous volcanic ash emission observation from satellite data. Ll volcanic ash mvg se to around 25nm while ml to ul volcanic ash mvg ese to north east out to around 35 nm from summit. And winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 16:03 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/1558Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/127
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS FM STLT
OBS VA DTG: 22/1530Z
OBS VA CLD: SFC/FL160 N1423 W09036 - N1413 W09011 - N1404 W09023 - N1422 W09037 - N1423 W09036 MOV SE 10KT SFC/FL200 N1425 W08959 - N1409 W09000 - N1423 W09036 - N1423 W09036 - N1425 W08959 MOV E 20KT SFC/FL250 N1433 W09015 - N1424 W09014 - N1422 W09036 - N1423 W09036 - N1433 W09015 MOV NE 30KT
FCST VA CLD +6HR: 22/2130Z SFC/FL160 N1422 W09037 - N1405 W09011 - N1358 W09029 - N1422 W09037 SFC/FL200 N1422 W09036 - N1422 W08958 - N1405 W09000 - N1422 W09036 SFC/FL250 N1437 W09008 - N1425 W09007 - N1423 W09036 - N1437 W09008
FCST VA CLD +12HR: 23/0330Z SFC/FL160 N1422 W09036 - N1401 W09020 - N1400 W09038 - N1421 W09037 - N1422 W09036 SFC/FL200 NO VA EXP SFC/FL250 N1434 W09000 - N1417 W08959 - N1422 W09036 - N1424 W09036 - N1434 W09000
FCST VA CLD +18HR: 23/0930Z SFC/FL160 N1422 W09037 - N1422 W09036 - N1401 W09027 - N1359 W09042 - N1422 W09037 SFC/FL250 NO VA EXP
RMK: CONS VA EMS OBS FM STLT DATA. LL VA MVG SE
TO ARND 25NM WHILE ML TO UL VA MVG ESE TO NE OUT
TO ARND 35 NM FM SUMMIT. FL AND WINDS FM NWP
...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210322/2200Z
Volcanic Ash Advisory issued on 2021-03-22 at 12:54 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation from satellite.
  • Continuous volcanic ash emission observation from satellite data. Newest volcanic ash mvg generally ene to 15 nm at highest while ll volcanic ash mvg se to sse to around 40 nm. And winds from nwp. Mlevine.

Original Message :

Received FVXX22 at 12:57 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/1254Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/126
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS FM STLT
OBS VA DTG: 22/1220Z
OBS VA CLD: SFC/FL160 N1423 W09036 - N1414 W09021 - N1410 W09025 - N1422 W09037 - N1423 W09036 MOV SE 10KT SFC/FL200 N1424 W09036 - N1413 W08953 - N1403 W09001 - N1422 W09036 - N1424 W09036 MOV SE 20KT SFC/FL250 N1433 W09021 - N1426 W09018 - N1422 W09036 - N1425 W09036 - N1433 W09021 MOV E 35KT
FCST VA CLD +6HR: 22/1830Z SFC/FL160 N1423 W09035 - N1414 W09016 - N1408 W09020 - N1422 W09036 - N1423 W09035 SFC/FL200 N1424 W09036 - N1413 W08952 - N1402 W08959 - N1422 W09036 - N1424 W09036 SFC/FL250 N1432 W09016 - N1426 W09013 - N1422 W09035 - N1425 W09036 - N1432 W09016
FCST VA CLD +12HR: 23/0030Z SFC/FL160 N1423 W09036 - N1415 W09018 - N1408 W09023 - N1422 W09036 - N1423 W09036 SFC/FL200 NO VA EXP SFC/FL250 N1430 W09013 - N1423 W09011 - N1422 W09036 - N1424 W09036 - N1430 W09013
FCST VA CLD +18HR: 23/0630Z SFC/FL160 N1422 W09035 - N1410 W09024 - N1407 W09032 - N1422 W09037 - N1422 W09035 SFC/FL250 NO VA EXP
RMK: CONS VA EMS OBS FM STLT DATA. NEWEST VA MVG
GENLY ENE TO 15 NM AT HIGHEST FL WHILE LL VA MVG
SE TO SSE TO ARND 40 NM. FL AND WINDS FM NWP
...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210322/1900Z
Volcanic Ash Advisory issued on 2021-03-22 at 09:11 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation in satellite.
  • Continuous volcanic ash clouds observation in satellite move quickly e of summit. Winds forecast to e and se at 10-15 kts. Based on observation mvmt and nwp model gdnc. Jlevine.

Original Message :

Received FVXX26 at 09:12 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/0911Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/125
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS IN STLT.
OBS VA DTG: 22/0850Z
OBS VA CLD: SFC/FL200 N1426 W09008 - N1416 W09008 - N1422 W09036 - N1423 W09036 - N1426 W09008 MOV E 15KT
FCST VA CLD +6HR: 22/1500Z SFC/FL200 N1428 W08952 - N1414 W08952 - N1421 W09035 - N1423 W09036 - N1428 W08952
FCST VA CLD +12HR: 22/2100Z SFC/FL200 N1429 W08952 - N1414 W08952 - N1421 W09036 - N1423 W09036 - N1429 W08952
FCST VA CLD +18HR: 23/0300Z SFC/FL200 N1423 W09035 - N1422 W08952 - N1410 W08952 - N1422 W09035 - N1423 W09035
RMK: CONS VA CLDS OBS IN STLT MOV QUICKLY E OF
SUMMIT. WINDS FCST TO REMAIN E AND SE AT 10-15
KTS. FL BASED ON OBS MVMT AND NWP MODEL GDNC
WINDS. ...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210322/1515Z
Volcanic Ash Advisory issued on 2021-03-22 at 04:29 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash clouds observation.
  • New volcanic ash clouds observation move in multiple direction at multiple light remnant volcanic ash observation move southwest of summit approximate 22 nm at flight level 140 (4200m) prior to dsiptg. New em observation move in multiple dir, w approximate 6 nm at flight level 140 (4200m) and arc shape e approximate 15 nm. Based on nwp. Jlevine.

Original Message :

Received FVXX22 at 04:31 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/0429Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/124
INFO SOURCE: GOES-16. NWP MODELS. ASH3D.
ERUPTION DETAILS: NEW VA CLDS OBS.
OBS VA DTG: 22/0410Z
OBS VA CLD: SFC/FL140 N1426 W09044 - N1423 W09036 - N1422 W09035 - N1359 W09046 - N1402 W09058 - N1420 W09039 - N1420 W09046 - N1426 W09044 MOV SW 10KT SFC/FL200 N1430 W09033 - N1422 W09025 - N1414 W09034 - N1415 W09039 - N1422 W09036 - N1423 W09037 - N1430 W09033 MOV E 15KT
FCST VA CLD +6HR: 22/1000Z SFC/FL140 N1431 W09050 - N1423 W09035 - N1422 W09035 - N1419 W09052 - N1431 W09050 SFC/FL200 N1437 W09029 - N1421 W09016 - N1408 W09041 - N1423 W09036 - N1423 W09037 - N1437 W09029
FCST VA CLD +12HR: 22/1600Z SFC/FL140 NO VA
EXP SFC/FL200 N1437 W09029 - N1421 W09015 - N1408
W09041 - N1422 W09036 - N1423 W09037 - N1437
W09029
FCST VA CLD +18HR: 22/2200Z SFC/FL200 N1426 W09015 - N1405 W09016 - N1422 W09037 - N1423 W09035 - N1426 W09015
RMK: NEW VA CLDS OBS MOV IN MULT DIR AT MULT FL.
LGT REMNANT VA OBS MOV SW OF SUMMIT APRX 22 NM AT
FL140 PRIOR TO DSIPTG. NEW EM OBS MOV IN MULT
DIR, W APRX 6 NM AT FL140 AND ARC SHAPE E APRX 15
NM. FL BASED ON NWP. ...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210322/1030Z
Volcanic Ash Advisory issued on 2021-03-22 at 00:35 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em likely.
  • Volcanic ash em not seen satellite imagery due to widespread cloud cover. However, volcanic ash still expected in the area based on earlier activity. Low confidence in forecast due to lght and var winds around. Kim.

Original Message :

Received FVXX22 at 00:38 UTC, 22/03/21 from KNES
VA ADVISORY
DTG: 20210322/0035Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/123
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EM LIKELY
OBS VA DTG: 22/0030Z
OBS VA CLD: SFC/FL140 N1422 W09036 - N1422 W09036 - N1416 W09040 - N1419 W09043 - N1422 W09036 MOV SW 5KT
FCST VA CLD +6HR: 22/0630Z SFC/FL140 N1422 W09037 - N1422 W09036 - N1417 W09041 - N1422 W09043 - N1422 W09037
FCST VA CLD +12HR: 22/1230Z SFC/FL140 N1422 W09036 - N1418 W09031 - N1416 W09035 - N1422 W09035 - N1422 W09036
FCST VA CLD +18HR: 22/1830Z NO VA EXP
RMK: VA EM NOT SEEN STLT IMAGERY DUE TO
WIDESPREAD CLD COVER. HOWEVER, VA STILL EXPCD IN
THE AREA BASED ON EARLIER ACT. LOW CONFIDENCE IN
FRCST DUE TO LGHT AND VAR WINDS AROUND FL. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210322/0630Z
Volcanic Ash Advisory issued on 2021-03-21 at 20:10 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em continues.
  • Faint volcanic ash em seen omn satellite extending approx. 30 nm south from summit. Volcanic ash at flight level 170 (5100m) seen fanning out e from summit. Volcanic ash height and forecast based on imagery and model guidance. Kim.

Original Message :

Received FVXX22 at 21:35 UTC, 21/03/21 from KNES
VA ADVISORY
DTG: 20210321/2010Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/122
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EM CONTINUES
OBS VA DTG: 21/1940Z
OBS VA CLD: SFC/FL140 N1422 W09035 - N1352 W09024 - N1354 W09050 - N1422 W09037 - N1422 W09035 MOV S 5KT SFC/FL170 N1424 W09029 - N1416 W09030 - N1422 W09035 - N1422 W09034 - N1424 W09029 MOV E 5KT
FCST VA CLD +6HR: 22/0130Z SFC/FL140 N1422 W09036 - N1422 W09036 - N1409 W09037 - N1411 W09043 - N1422 W09036 SFC/FL170 N1422 W09035 - N1422 W09035 - N1421 W09026 - N1416 W09029 - N1422 W09035
FCST VA CLD +12HR: 22/0730Z SFC/FL140 N1422 W09037 - N1422 W09037 - N1410 W09042 - N1414 W09048 - N1422 W09037 SFC/FL170 NO VA EXP
FCST VA CLD +18HR: 22/1330Z SFC/FL140 NO VA
EXPSFC/FL170 NO VA EXP
RMK: FAINT VA EM SEEN OMN STLT EXTENDING APPROX.
30 NM S FM SUMMIT. VA AT FL170 SEEN FANNING OUT E
FM SUMMIT. VA HEIGHT AND FRCST BASED ON IMAGERY
AND MODEL GUIDANCE. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210322/0215Z
Volcanic Ash Advisory issued on 2021-03-21 at 15:40 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash emission observation in satellite ext 20 nm southwest from summit. At 21 1330 UTC higher volcanic ash em observation in satellite moving volcanic ash at flight level 160 (4800m) dispg quickly. Webcam shows continuous volcanic ash emission. Nwp models forecast southwest wind direction through t+18. Tuggle.

Original Message :

Received FVXX22 at 15:44 UTC, 21/03/21 from KNES
VA ADVISORY
DTG: 20210321/1540Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/121
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 21/1510Z
OBS VA CLD: SFC/FL120 N1424 W09036 - N1422 W09035 - N1406 W09046 - N1408 W09051 - N1424 W09036 MOV SW 10KT SFC/FL160 N1428 W09028 - N1419 W09028 - N1421 W09034 - N1424 W09034 - N1428 W09028 MOV E 5KT
FCST VA CLD +6HR: 21/2100Z SFC/FL120 N1424 W09036 - N1422 W09035 - N1403 W09045 - N1406 W09054 - N1424 W09036 SFC/FL160 NO VA EXP
FCST VA CLD +12HR: 22/0300Z SFC/FL120 N1424 W09036 - N1422 W09035 - N1405 W09050 - N1408 W09059 - N1424 W09036
FCST VA CLD +18HR: 22/0900Z SFC/FL120 N1424 W09036 - N1422 W09035 - N1405 W09050 - N1409 W09101 - N1424 W09036
RMK: VA EMS OBS IN STLT EXT 20 NM SW FM SUMMIT.
AT 21/1330Z HIGHER VA EM OBS IN STLT MOVG E/SE.
VA AT FL160 DISPG QUICKLY. WEBCAM SHOWS CONS VA
EMS. NWP MDLS FCST SW WIND DIR THRU T+18.
...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210321/2145Z
Volcanic Ash Advisory issued on 2021-03-21 at 10:35 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Intermittent volcanic ash emission fumigating southwest through nw to approximately 25 nm downwind of summit. Lee.

Original Message :

Received FVXX22 at 10:39 UTC, 21/03/21 from KNES
VA ADVISORY
DTG: 20210321/1035Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/120
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 21/1010Z
OBS VA CLD: SFC/FL140 N1427 W09054 - N1423 W09036 - N1422 W09036 - N1410 W09052 - N1427 W09054 MOV W 10KT
FCST VA CLD +6HR: 21/1600Z SFC/FL140 N1424 W09055 - N1423 W09035 - N1422 W09035 - N1412 W09053 - N1424 W09055
FCST VA CLD +12HR: 21/2200Z SFC/FL140 N1424 W09057 - N1423 W09036 - N1422 W09035 - N1411 W09056 - N1424 W09057
FCST VA CLD +18HR: 22/0400Z NO VA EXP
RMK: INTERMITTENT VA EMS FUMIGATING SW THROUGH NW
TO APPROXIMATELY 25 NM DOWNWIND OF SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210321/1630Z
Volcanic Ash Advisory issued on 2021-03-21 at 04:57 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • New volcanic ash emission noted in infrared satellite imagery and alerted by volcat. Subsequent special bulletin issued. Volcanic ash move to w and wsw of summit. Lee.

Original Message :

Received FVXX22 at 05:00 UTC, 21/03/21 from KNES
VA ADVISORY
DTG: 20210321/0457Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/119
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
INSIVUMEH.
ERUPTION DETAILS: NEW VA EMS.
OBS VA DTG: 21/0440Z
OBS VA CLD: SFC/FL140 N1426 W09053 - N1424 W09036 - N1421 W09035 - N1414 W09052 - N1426 W09053 MOV W 10KT
FCST VA CLD +6HR: 21/1030Z SFC/FL140 N1423 W09036 - N1422 W09035 - N1414 W09053 - N1423 W09052 - N1423 W09036
FCST VA CLD +12HR: 21/1630Z NO VA EXP
FCST VA CLD +18HR: 21/2230Z NO VA EXP
RMK: NEW VA EMS NOTED IN IR STLT IMAGERY AND
ALERTED BY VOLCAT. SUBSEQUENT SPECIAL BULLETIN
ISSUED. VA MOV TO W AND WSW OF SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210321/1100Z
Volcanic Ash Advisory issued on 2021-03-20 at 08:43 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash from earlier emission dispersed. No new activity noted in satellite imagery. No new reports. Lee.

Original Message :

Received FVXX22 at 08:45 UTC, 20/03/21 from KNES
VA ADVISORY
DTG: 20210320/0843Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/118
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS ENDED.
OBS VA DTG: 20/0820Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 20/1430Z NO VA EXP
FCST VA CLD +12HR: 20/2030Z NO VA EXP
FCST VA CLD +18HR: 21/0230Z NO VA EXP
RMK: VA FM EARLIER EMS DISPERSED. NO NEW ACT
NOTED IN STLT IMAGERY. NO NEW REPORTS. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-20 at 03:08 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing emission.
  • Dense weather clouds have moved into area.

Original Message :

Received FVXX22 at 03:11 UTC, 20/03/21 from KNES
VA ADVISORY
DTG: 20210320/0308Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/117
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING EMS.
OBS VA DTG: 20/0240Z
OBS VA CLD: SFC/FL140 N1423 W09036 - N1422 W09035 - N1402 W09046 - N1407 W09102 - N1423 W09036 MOV SW 10KT
FCST VA CLD +6HR: 20/0830Z NO VA EXP
FCST VA CLD +12HR: 20/1430Z NO VA EXP
FCST VA CLD +18HR: 20/2030Z NO VA EXP
RMK: DENSE WX CLDS HAVE MOVED INTO AREA
OBSTRUCTING VIEW OF SUMMIT AND REGION. HOWEVER
RECENT PAST HIST SUGGESTS ONGOING EMS. VA MOV TO
SW OF SUMMIT BASED ON NWP MDLS AND PREV VAA.
...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210320/0915Z
Volcanic Ash Advisory issued on 2021-03-19 at 21:29 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue.
  • Lght continuous volcanic ash em seen on satellite imagery extending approx 70 nmi southwest from summit. Volcanic ash height and forecast based on imagery and model guidance. General southwest move expected. Kim.

Original Message :

Received FVXX22 at 21:33 UTC, 19/03/21 from KNES
VA ADVISORY
DTG: 20210319/2129Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/116
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS CONTINUE
OBS VA DTG: 19/2050Z
OBS VA CLD: SFC/FL140 N1420 W09040 - N1417 W09036 - N1317 W09110 - N1347 W09152 - N1420 W09040 MOV SW 10KT
FCST VA CLD +6HR: 20/0300Z SFC/FL140 N1420 W09040 - N1419 W09036 - N1400 W09049 - N1411 W09100 - N1420 W09040
FCST VA CLD +12HR: 20/0900Z SFC/FL140 N1420 W09039 - N1419 W09038 - N1402 W09040 - N1407 W09054 - N1420 W09039
FCST VA CLD +18HR: 20/1500Z NO VA EXP
RMK: LGHT CONS VA EM SEEN ON STLT IMAGERY
EXTENDING APPROX 70 NMI SW FM SUMMIT. VA HEIGHT
AND FRCST BASED ON IMAGERY AND MODEL GUIDANCE.
GEN SW MOV EXPCD. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210320/0330Z
Volcanic Ash Advisory issued on 2021-03-19 at 15:52 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission observation.
  • Continue volcanic ash emission observation move southwest from summit in satellite imagery. Volcanic ash forecast to continue southwest move through t+6hrs before disp. Fisher.

Original Message :

Received FVXX22 at 15:54 UTC, 19/03/21 from KNES
VA ADVISORY
DTG: 20210319/1552Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/115
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 19/1540Z
OBS VA CLD: SFC/FL120 N1425 W09036 - N1334 W09116 - N1351 W09138 - N1425 W09036 MOV SW 15KT
FCST VA CLD +6HR: 19/2130Z SFC/FL120 N1426 W09035 - N1330 W09109 - N1346 W09131 - N1426 W09035
FCST VA CLD +12HR: 20/0330Z NO VA EXP
FCST VA CLD +18HR: 20/0930Z NO VA EXP
RMK: CONT VA EMS OBS MOV SW FM SUMMIT IN STLT
IMAGERY. VA FCST TO CONT SW MOV THRU T+6HRS
BEFORE DISP. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210319/2145Z
Volcanic Ash Advisory issued on 2021-03-19 at 10:57 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash from earlier emission has dissipated. New em observation 10:02 UTC near summit moving southwest. Observation volcanic ash estd from nwp mvmt forecast to continue sw-ly through t+6 hours. Clark.

Original Message :

Received FVXX22 at 10:58 UTC, 19/03/21 from KNES
VA ADVISORY
DTG: 20210319/1057Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/114
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 19/1030Z
OBS VA CLD: SFC/FL120 N1423 W09036 - N1422 W09035 - N1417 W09041 - N1422 W09043 - N1423 W09036 MOV SW 10KT
FCST VA CLD +6HR: 19/1630Z SFC/FL120 N1424 W09036 - N1422 W09035 - N1404 W09110 - N1415 W09114 - N1424 W09036
FCST VA CLD +12HR: 19/2230Z NO VA EXP
FCST VA CLD +18HR: 20/0430Z NO VA EXP
RMK: VA FM EARLIER EMS HAS DSIPTD. NEW EM OBS
1020Z NEAR SUMMIT MOVG SW. OBS VA FL ESTD FM NWP
MDLS. FL MVMT FCST TO CONT SW-LY THRU T+6 HRS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210319/1700Z
Volcanic Ash Advisory issued on 2021-03-19 at 05:17 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash observation ext 22 nm southwest from summit. Mvmt forecast to persist through t+12 hours. Clark.

Original Message :

Received FVXX22 at 05:19 UTC, 19/03/21 from KNES
VA ADVISORY
DTG: 20210319/0517Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/113
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 19/0450Z
OBS VA CLD: SFC/FL110 N1424 W09035 - N1422 W09035 - N1405 W09049 - N1411 W09057 - N1424 W09035 MOV SW 15KT
FCST VA CLD +6HR: 19/1100Z SFC/FL110 N1424 W09036 - N1422 W09034 - N1350 W09058 - N1356 W09106 - N1424 W09036
FCST VA CLD +12HR: 19/1700Z SFC/FL110 N1424 W09037 - N1423 W09035 - N1349 W09103 - N1356 W09111 - N1424 W09037
FCST VA CLD +18HR: 19/2300Z NO VA EXP
RMK: VA OBS EXT 22 NM SW FM SUMMIT. FL MVMT FCST
TO PERSIST THRU T+12 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210319/1115Z
Volcanic Ash Advisory issued on 2021-03-18 at 23:26 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation in satellite move southwest from summit and ext 100 nm. Nwp model forecast little change through t+18. Tuggle.

Original Message :

Received FVXX22 at 23:29 UTC, 18/03/21 from KNES
VA ADVISORY
DTG: 20210318/2326Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/112
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 18/2300Z
OBS VA CLD: SFC/FL110 N1424 W09037 - N1420 W09034 - N1312 W09140 - N1319 W09159 - N1424 W09037 MOV SW 20KT
FCST VA CLD +6HR: 19/0500Z SFC/FL110 N1425 W09036 - N1421 W09034 - N1325 W09143 - N1341 W09202 - N1425 W09036
FCST VA CLD +12HR: 19/1100Z SFC/FL110 N1425 W09036 - N1421 W09034 - N1317 W09131 - N1332 W09153 - N1425 W09036
FCST VA CLD +18HR: 19/1700Z SFC/FL110 N1424 W09037 - N1421 W09034 - N1319 W09130 - N1331 W09156 - N1424 W09037
RMK: CONT VA EMS OBS IN STLT MOV SW FM SUMMIT AND
EXT 100 NM. NWP MDL FCST LTLCG THRU T+18.
...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210319/0530Z
Volcanic Ash Advisory issued on 2021-03-18 at 21:30 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission seen in satellite move southwest from summit extg 35 nm. Nwp models show little change in wind direction through t+18. Tuggle.

Original Message :

Received FVXX22 at 21:33 UTC, 18/03/21 from KNES
VA ADVISORY
DTG: 20210318/2130Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/111
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 18/2100Z
OBS VA CLD: SFC/FL110 N1424 W09036 - N1421 W09034 - N1359 W09059 - N1404 W09110 - N1424 W09036 MOV SW 20KT
FCST VA CLD +6HR: 19/0300Z SFC/FL110 N1425 W09035 - N1422 W09035 - N1356 W09102 - N1402 W09114 - N1425 W09035
FCST VA CLD +12HR: 19/0900Z SFC/FL110 N1424 W09035 - N1422 W09035 - N1355 W09059 - N1401 W09110 - N1424 W09035
FCST VA CLD +18HR: 19/1500Z SFC/FL110 N1425 W09035 - N1422 W09035 - N1356 W09059 - N1402 W09112 - N1425 W09035
RMK: CONT VA EMS SEEN IN STLT MOV SW FM SUMMIT
EXTG 35 NM. NWP MDLS SHOW LTLCG IN WIND DIR THRU
T+18. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210319/0330Z
Volcanic Ash Advisory issued on 2021-03-18 at 16:20 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • A continuous light plume is evident in visibility satellite imagery. Plume extends southwest to just beyond the coastline. Lee.

Original Message :

Received FVXX22 at 16:24 UTC, 18/03/21 from KNES
VA ADVISORY
DTG: 20210318/1620Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/110
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 18/1600Z
OBS VA CLD: SFC/FL120 N1423 W09036 - N1422 W09035 - N1334 W09056 - N1338 W09110 - N1423 W09036 MOV SW 15KT
FCST VA CLD +6HR: 18/2200Z SFC/FL120 N1423 W09037 - N1422 W09035 - N1349 W09058 - N1352 W09108 - N1423 W09037
FCST VA CLD +12HR: 19/0400Z SFC/FL120 N1423 W09037 - N1422 W09035 - N1349 W09057 - N1359 W09107 - N1423 W09037
FCST VA CLD +18HR: 19/1000Z SFC/FL120 N1423 W09036 - N1421 W09033 - N1352 W09102 - N1404 W09108 - N1423 W09036
RMK: A CONTINUOUS LIGHT PLUME IS EVIDENT IN VIS
STLT IMAGERY. PLUME EXTENDS SW TO JUST BEYOND THE
COASTLINE. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210318/2215Z
Volcanic Ash Advisory issued on 2021-03-18 at 10:47 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation in satellite.
  • Volcanic ash observation move southwest ext 13 nm from summit. Observation volcanic ash.

Original Message :

Received FVXX22 at 10:48 UTC, 18/03/21 from KNES
VA ADVISORY
DTG: 20210318/1047Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/109
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA OBS IN SAT.
OBS VA DTG: 18/1020Z
OBS VA CLD: SFC/FL120 N1423 W09036 - N1423 W09035 - N1411 W09039 - N1413 W09045 - N1423 W09036 MOV SW 10KT
FCST VA CLD +6HR: 18/1630Z SFC/FL120 N1423 W09036 - N1423 W09035 - N1355 W09042 - N1359 W09052 - N1423 W09036
FCST VA CLD +12HR: 18/2230Z NO VA EXP
FCST VA CLD +18HR: 19/0430Z NO VA EXP
RMK: VA OBS MOV SW EXT 13 NM FM SUMMIT. OBS VA FL
ESTD FM NWP MDLS. FL MVMT EXP TO CONT SW-LY AND
INCR IN SPD THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210318/1645Z
Volcanic Ash Advisory issued on 2021-03-17 at 18:37 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission disp.
  • Earlier volcanic ash emission have disp. No new volcanic ash emission observation in satellite. Webcam obscure by weather. Tuggle.

Original Message :

Received FVXX22 at 18:40 UTC, 17/03/21 from KNES
VA ADVISORY
DTG: 20210317/1837Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/108
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS DISP
OBS VA DTG: 17/1810Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 18/0000Z NO VA EXP
FCST VA CLD +12HR: 18/0600Z NO VA EXP
FCST VA CLD +18HR: 18/1200Z NO VA EXP
RMK: EARLIER VA EMS HAVE DISP. NO NEW VA EMS OBS
IN STLT. WEBCAM OBSC BY WX CLDS. ...TUGGLE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-17 at 12:58 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Light volcanic ash emission observation in satellite move se extg 20-25 nm. Nwp models forecast volcanic ash to move more e through t+12. Webcam.

Original Message :

Received FVXX22 at 13:00 UTC, 17/03/21 from KNES
VA ADVISORY
DTG: 20210317/1258Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/107
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 17/1221Z
OBS VA CLD: SFC/FL100 N1423 W09036 - N1414 W09008 - N1407 W09026 - N1422 W09037 - N1423 W09036 MOV SE 5KT
FCST VA CLD +6HR: 17/1830Z SFC/FL100 N1423 W09036 - N1420 W09007 - N1408 W09017 - N1422 W09036 - N1423 W09036
FCST VA CLD +12HR: 18/0030Z SFC/FL100 N1428 W09014 - N1411 W09015 - N1422 W09036 - N1423 W09036 - N1428 W09014
FCST VA CLD +18HR: 18/0630Z NO VA EXP
RMK: LGT VA EMS OBS IN STLT MOV SE EXTG 20-25 NM.
NWP MDLS FCST VA TO MOV MORE E THRU T+12. WEBCAM
OBSC BY WX CLDS. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210317/1900Z
Volcanic Ash Advisory issued on 2021-03-17 at 07:16 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em observation in satellite.
  • Volcanic ash observation ext north east 11 nm from summit. Observation volcanic ash.

Original Message :

Received FVXX22 at 07:18 UTC, 17/03/21 from KNES
VA ADVISORY
DTG: 20210317/0716Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/106
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EM OBS IN SAT.
OBS VA DTG: 17/0650Z
OBS VA CLD: SFC/FL120 N1433 W09031 - N1428 W09024 - N1422 W09035 - N1423 W09037 - N1433 W09031 MOV NE 5KT
FCST VA CLD +6HR: 17/1300Z SFC/FL120 N1434 W09029 - N1428 W09024 - N1422 W09035 - N1423 W09037 - N1434 W09029
FCST VA CLD +12HR: 17/1900Z NO VA EXP
FCST VA CLD +18HR: 18/0100Z NO VA EXP
RMK: VA OBS EXT NE 11 NM FM SUMMIT. OBS VA FL
ESTD FM VOLCAT ALERT WITH LOW CONFIDENCE AS OBS
DIR DOES NOT AGREE WITH NWP MDLS. T+6 FCST OF
CONTD NE-LY MVMT IS ALSO OF LOW CONFIDENCE DUE TO
LGT FL WINDS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210317/1315Z
Volcanic Ash Advisory issued on 2021-03-17 at 04:34 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation in satellite.
  • Volcanic ash not observation in satellite. Prev volcanic ash cloud has dissipated. Infrared hotspot persists. Webcam obscured by weather. Clark.

Original Message :

Received FVXX22 at 04:36 UTC, 17/03/21 from KNES
VA ADVISORY
DTG: 20210317/0434Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/105
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA NOT OBS IN SAT.
OBS VA DTG: 17/0410Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 17/1000Z NO VA EXP
FCST VA CLD +12HR: 17/1600Z NO VA EXP
FCST VA CLD +18HR: 17/2200Z NO VA EXP
RMK: VA NOT OBS IN SAT. PREV VA CLD HAS DSIPTD.
IR HOTSPOT PERSISTS. WEBCAM OBSCD BY WX CLDS.
...CLARK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-16 at 22:48 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash is last observation before a break in coverage at a manual station seen move w up to 48nm from the summit 6 hours ago. Volcanic ash activity has since decreased, but is likely to continue based on recent activity. Nwp model indicates a continue nw move through. Zhu.

Original Message :

Received FVXX22 at 22:51 UTC, 16/03/21 from KNES
VA ADVISORY
DTG: 20210316/2248Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/104
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 16/2210Z
OBS VA CLD: SFC/FL140 N1436 W09126 - N1422 W09037 - N1420 W09036 - N1425 W09127 - N1436 W09126 MOV NW 10KT
FCST VA CLD +6HR: 17/0400Z SFC/FL140 N1450 W09122 - N1422 W09036 - N1422 W09037 - N1429 W09131 - N1450 W09122
FCST VA CLD +12HR: 17/1000Z NO VA EXP
FCST VA CLD +18HR: 17/1600Z NO VA EXP
RMK: VA IS LAST SEEN MOV W UP TO 48NM FM THE
SUMMIT 6 HRS AGO. VA ACT HAS SINCE DECREASED, BUT
IS LIKELY TO CONT BASED ON RECENT ACT. NWP MDL
INDICATES A CONT NW MOV THRU T+6HRS. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20210317/0445Z
Volcanic Ash Advisory issued on 2021-03-16 at 17:00 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash emission from summit moving w/nw with the furthest volcanic ash emission extending 90nm from summit. Nwp models forecast little change to wind direction through t+18. Tuggle.

Original Message :

Received FVXX22 at 17:02 UTC, 16/03/21 from KNES
VA ADVISORY
DTG: 20210316/1700Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/103
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS
OBS VA DTG: 16/1610Z
OBS VA CLD: SFC/FL140 N1452 W09209 - N1451 W09202 - N1426 W09209 - N1429 W09216 - N1452 W09209 MOV W 15KT SFC/FL140 N1447 W09122 - N1442 W09049 - N1423 W09036 - N1422 W09036 - N1417 W09125 - N1447 W09122 MOV NW 15KT
FCST VA CLD +6HR: 16/2200Z SFC/FL140 N1458 W09150 - N1423 W09035 - N1422 W09036 - N1427 W09205 - N1458 W09150
FCST VA CLD +12HR: 17/0400Z SFC/FL140 N1454 W09134 - N1423 W09035 - N1422 W09036 - N1426 W09146 - N1454 W09134
FCST VA CLD +18HR: 17/1000Z SFC/FL140 N1451 W09120 - N1423 W09035 - N1422 W09035 - N1425 W09127 - N1451 W09120
RMK: VA EMS FM SUMMIT MOVG W/NW WITH THE FURTHEST
VA EMS EXTDG 90NM FM SUMMIT. NWP MDLS FCST LTLCG
TO WIND DIR THRU T+18. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210316/2300Z
Volcanic Ash Advisory issued on 2021-03-16 at 13:22 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission seen in satellite.
  • Corrected for volcanic ash observation 16nm w of summit. New volcanic ash emission move nw from summit then shifting w after 5 nm. Nwp models forecast windshift from nw to w then back to nw through t+18 hour. Tuggle.

Original Message :

Received FVXX22 at 13:24 UTC, 16/03/21 from KNES
VA ADVISORY -CORRECTION
DTG: 20210316/1322Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/102
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS SEEN IN STLT
OBS VA DTG: 16/1120Z
OBS VA CLD: SFC/FL120 N1433 W09053 - N1431 W09050 - N1421 W09052 - N1422 W09056 - N1433 W09053 MOV NW 10KT SFC/FL120 N1428 W09038 - N1422 W09034 - N1422 W09035 - N1425 W09041 - N1428 W09038 MOV NW 10KT
FCST VA CLD +6HR: 16/1730Z SFC/FL120 N1437 W09102 - N1423 W09035 - N1421 W09036 - N1429 W09109 - N1437 W09102
FCST VA CLD +12HR: 16/2330Z SFC/FL120 N1429 W09108 - N1423 W09035 - N1422 W09036 - N1421 W09108 - N1429 W09108
FCST VA CLD +18HR: 17/0530Z SFC/FL120 N1436 W09101 - N1423 W09035 - N1422 W09035 - N1429 W09106 - N1436 W09101
RMK: CORRECTED FOR DATE. VA OBS 16NM W OF SUMMIT.
NEW VA EMS MOV NW FM SUMMIT THEN SHFTG W AFT 5
NM. NWP MDLS FCST WSHFT FM NW TO W THEN BACK TO
NW THRU T+18 HR. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210316/1800Z
Volcanic Ash Advisory issued on 2021-03-16 at 06:15 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission seen in satellite.
  • Volcanic ash seen moving w/wnw from summit in satellite imagery. Well defined hotspot in s/w imagery and multiple volcat model guidance indicates a continue w-ly move through t+18 hours. Kibler.

Original Message :

Received FVXX22 at 06:20 UTC, 16/03/21 from KNES
VA ADVISORY
DTG: 20210316/0615Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/101
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: FRQ VA EMS SEEN IN STLT
OBS VA DTG: 16/0550Z
OBS VA CLD: SFC/FL120 N1433 W09059 - N1423 W09036 - N1421 W09037 - N1423 W09103 - N1433 W09059 MOV W 20KT
FCST VA CLD +6HR: 16/1200Z SFC/FL120 N1434 W09112 - N1424 W09035 - N1420 W09035 - N1423 W09114 - N1434 W09112
FCST VA CLD +12HR: 16/1800Z SFC/FL120 N1442 W09110 - N1425 W09034 - N1421 W09037 - N1430 W09113 - N1442 W09110
FCST VA CLD +18HR: 17/0000Z SFC/FL120 N1432 W09114 - N1425 W09035 - N1422 W09035 - N1419 W09116 - N1432 W09114
RMK: VA SEEN MOVG W/WNW FM SUMMIT IN STLT IMAGERY.
WELL DEFINED HOTSPOT IN S/W IMAGERY AND MULTIPLE
VOLCAT ALERTS. MODEL GUIDANCE INDICATES A CONT
W-LY MOV THRU T+18 HRS. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20210316/1215Z
Volcanic Ash Advisory issued on 2021-03-16 at 00:48 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash em observation from satellite data.
  • Corrected for observation wind. Frequent volcanic ash em observation from satellite data. Remnant volcanic ash from earlier em reaching nearly 100nm wsw of summit while regard em reaching arn 20nm before fanning south and wsw. And wind from nwp. Mlevine.

Original Message :

Received FVXX22 at 00:50 UTC, 16/03/21 from KNES
VA ADVISORY -CORRECTION
DTG: 20210316/0048Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/100
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: FRQ VA EM OBS FM STLT DATA
OBS VA DTG: 15/2350Z
OBS VA CLD: SFC/FL140 N1425 W09035 - N1422 W09034 - N1408 W09051 - N1406 W09114 - N1414 W09117 - N1425 W09035 MOV SW 15KT SFC/FL140 N1413 W09203 - N1409 W09155 - N1358 W09154 - N1355 W09213 - N1411 W09215 - N1413 W09203 MOV SW 15KT
FCST VA CLD +6HR: 16/0600Z SFC/FL140 N1424 W09035 - N1421 W09034 - N1405 W09050 - N1404 W09123 - N1413 W09126 - N1424 W09035
FCST VA CLD +12HR: 16/1200Z SFC/FL140 N1425 W09035 - N1421 W09035 - N1409 W09054 - N1407 W09125 - N1422 W09126 - N1425 W09035
FCST VA CLD +18HR: 16/1800Z NO VA EXP
RMK: CORRECTED FOR OBS WIND. FRQ VA EM OBS FM
STLT DATA. REMNANT VA FM EARLIER EM RCHG NRLY
100NM WSW OF SUMMIT WHILE RE EM RCHG ARN 20NM BFR
FANNING S AND WSW. FL AND WIND FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210316/0645Z
Volcanic Ash Advisory issued on 2021-03-15 at 18:52 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash em observation from satellite data.
  • Frequent volcanic ash em observation from satellite data. Most regard em ext nearly 60nm wsw of summit. Nwp forecast winds to generally remain to the w through t+12. From nwp. Mlevine.

Original Message :

Received FVXX22 at 18:54 UTC, 15/03/21 from KNES
VA ADVISORY
DTG: 20210315/1852Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/099
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: FRQ VA EM OBS FM STLT DATA
OBS VA DTG: 15/1820Z
OBS VA CLD: SFC/FL140 N1425 W09035 - N1419 W09035 - N1405 W09135 - N1417 W09140 - N1425 W09035 MOV SW 20KT
FCST VA CLD +6HR: 16/0030Z SFC/FL140 N1429 W09037 - N1420 W09035 - N1411 W09144 - N1423 W09148 - N1429 W09037
FCST VA CLD +12HR: 16/0630Z SFC/FL140 N1429 W09037 - N1420 W09035 - N1411 W09144 - N1423 W09147 - N1429 W09037
FCST VA CLD +18HR: 16/1230Z NO VA EXP
RMK: FRQ VA EM OBS FM STLT DATA. MOST RE EM EXT
NRLY 60NM WSW OF SUMMIT. NWP FCSTS WINDS TO GENLY
RMN TO THE W THRU T+12. FL FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210316/0045Z
Volcanic Ash Advisory issued on 2021-03-15 at 15:56 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite.
  • Volcanic ash emission observation move w from the summit with the densest volcanic ash located 16 nm southwest of summit. Nwp models forecast any new volcanic ash emission to move w through t+6 hour. Tuggle.

Original Message :

Received FVXX22 at 15:58 UTC, 15/03/21 from KNES
VA ADVISORY
DTG: 20210315/1556Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/098
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS IN STLT
OBS VA DTG: 15/1530Z
OBS VA CLD: SFC/FL140 N1434 W09041 - N1422 W09041 - N1416 W09052 - N1428 W09050 - N1434 W09041 MOV W 20KT
FCST VA CLD +6HR: 15/2130Z SFC/FL140 N1430 W09115 - N1424 W09035 - N1421 W09037 - N1423 W09119 - N1430 W09115
FCST VA CLD +12HR: 16/0330Z NO VA EXP
FCST VA CLD +18HR: 16/0930Z NO VA EXP
RMK: VA EMS OBS MOV W FM THE SUMMIT WITH THE
DENSEST VA LOCATED 16 NM SW OF SUMMIT. NWP MDLS
FCST ANY NEW VA EMS TO MOV W THRU T+6 HR.
...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210315/2200Z
Volcanic Ash Advisory issued on 2021-03-15 at 14:48 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite.
  • Volcanic ash observation in satellite move nw from summit ext 10 nm. Low conf in forecast bc observation disagrees with nwp. Tuggle.

Original Message :

Received FVXX22 at 14:50 UTC, 15/03/21 from KNES
VA ADVISORY
DTG: 20210315/1448Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/097
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS IN STLT
OBS VA DTG: 15/1420Z
OBS VA CLD: SFC/FL100 N1431 W09039 - N1423 W09035 - N1422 W09037 - N1428 W09045 - N1431 W09039 MOV NW 5KT
FCST VA CLD +6HR: 15/2030Z SFC/FL100 N1428 W09046 - N1423 W09035 - N1422 W09036 - N1421 W09049 - N1428 W09046
FCST VA CLD +12HR: 16/0230Z NO VA EXP
FCST VA CLD +18HR: 16/0830Z NO VA EXP
RMK: VA OBS IN STLT MOV NW FM SUMMIT EXT 10 NM.
LOW CONF IN FCST BC OBS MOTION DISAGREES WITH NWP
MDLS. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210315/2045Z
Volcanic Ash Advisory issued on 2021-03-15 at 09:08 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • New volcanic ash emission observation in satellite imagery move north from summit. Light volcanic ash signature observation. Volcanic ash forecast to continue north move from summit. Forecast based on continuity and nwp. Fisher.

Original Message :

Received FVXX22 at 09:11 UTC, 15/03/21 from KNES
VA ADVISORY
DTG: 20210315/0908Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/096
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: NEW VA EMS
OBS VA DTG: 15/0900Z
OBS VA CLD: SFC/FL100 N1441 W09036 - N1428 W09033 - N1425 W09036 - N1438 W09047 - N1441 W09036 MOV N 5KT
FCST VA CLD +6HR: 15/1500Z SFC/FL100 N1446 W09034 - N1427 W09032 - N1424 W09036 - N1443 W09053 - N1446 W09034
FCST VA CLD +12HR: 15/2100Z NO VA EXP
FCST VA CLD +18HR: 16/0300Z NO VA EXP
RMK: NEW VA EMS OBS IN STLT IMAGERY MOV N FM
SUMMIT. LGT VA SIGNATURE OBS. VA FCST TO CONT N
MOV FM SUMMIT. FCST BASED ON CONTINUITY AND NWP
MDLS. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20210315/1515Z
Volcanic Ash Advisory issued on 2021-03-15 at 03:13 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission has disp.
  • Volcanic ash emission has disp in satellite imagery. No new emission.

Original Message :

Received FVXX22 at 03:18 UTC, 15/03/21 from KNES
VA ADVISORY
DTG: 20210315/0313Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/095
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS HAS DISP
OBS VA DTG: 15/0320Z
OBS VA CLD: VA NOT IDENTIFIABLE IN STLT DATA
FCST VA CLD +6HR: 15/0930Z NO VA EXP
FCST VA CLD +12HR: 15/1530Z NO VA EXP
FCST VA CLD +18HR: 15/2130Z NO VA EXP
RMK: VA EMS HAS DISP IN STLT IMAGERY. NO NEW EMS
OBS. NO RPRTS OF NEW EMS. ...FISHER
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-14 at 21:33 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash obscured by weather clouds.
  • Volcanic ash obscured by weather clouds in satellite data. Nwp forecast winds to moving generally to the w and backing to the southwest through t+6. Continuing from prev forecast. Mlevine.

Original Message :

Received FVXX22 at 21:35 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/2133Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/094
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA OBSCD BY WX CLDS
OBS VA DTG: 14/2110Z
OBS VA CLD: SFC/FL130 N1429 W09053 - N1425 W09035 - N1420 W09035 - N1420 W09053 - N1429 W09053 MOV W 10KT
FCST VA CLD +6HR: 15/0300Z SFC/FL130 N1425 W09100 - N1423 W09035 - N1421 W09035 - N1411 W09059 - N1425 W09100
FCST VA CLD +12HR: 15/0900Z NO VA EXP
FCST VA CLD +18HR: 15/1500Z NO VA EXP
RMK: VA OBSCD BY WX CLDS IN STLT DATA. NWP FCSTS
FL WINDS TO MV GENLY TO THE W AND BACKING TO THE
SW THRU T+6. CONTG FL FM PREV FCST ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210315/0330Z
Volcanic Ash Advisory issued on 2021-03-14 at 16:07 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite imagery.
  • Volcanic ash emission continue observation in summit webcam and satellite. Volcanic ash hgt/dir from prev vaa, stlt, and nwp models shows wnw-ly to w-ly movement trend through t+18. Sambucci.

Original Message :

Received FVXX22 at 16:09 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/1607Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/093
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 14/1540Z
OBS VA CLD: SFC/FL130 N1435 W09047 - N1423 W09034 - N1420 W09035 - N1423 W09058 - N1435 W09047 MOV NW 15KT
FCST VA CLD +6HR: 14/2130Z SFC/FL130 N1435 W09105 - N1424 W09035 - N1418 W09035 - N1419 W09108 - N1435 W09105
FCST VA CLD +12HR: 15/0330Z SFC/FL130 N1438 W09119 - N1423 W09035 - N1417 W09035 - N1416 W09120 - N1438 W09119
FCST VA CLD +18HR: 15/0930Z SFC/FL130 N1439 W09120 - N1423 W09036 - N1417 W09034 - N1416 W09120 - N1439 W09120
RMK: VA EMS CONT OBS IN SUMMIT WEBCAM AND STLT.
VA HGT/DIR FM PREV VAA, STLT, AND NWP MDLS SHOWS
WNW-LY TO W-LY MOVMT TREND THRU T+18. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210314/2200Z
Volcanic Ash Advisory issued on 2021-03-14 at 12:09 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite imagery.
  • Volcanic ash emission observation in satellite and summit webcam moving nw from summit. Volcanic ash height from prev vaa. Volcanic ash direction from stlt/nwp models shows nw-ly to w-ly movement trend through t+18. Sambucci.

Original Message :

Received FVXX22 at 12:11 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/1209Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/092
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 14/1150Z
OBS VA CLD: SFC/FL130 N1446 W09053 - N1423 W09033 - N1420 W09037 - N1435 W09104 - N1446 W09053 MOV NW 15KT
FCST VA CLD +6HR: 14/1800Z SFC/FL130 N1446 W09114 - N1423 W09033 - N1419 W09034 - N1423 W09119 - N1446 W09114
FCST VA CLD +12HR: 15/0000Z SFC/FL130 N1440 W09125 - N1424 W09032 - N1417 W09032 - N1417 W09123 - N1440 W09125
FCST VA CLD +18HR: 15/0600Z SFC/FL130 N1439 W09129 - N1424 W09033 - N1417 W09033 - N1416 W09128 - N1439 W09129
RMK: VA EMS OBS IN STLT AND SUMMIT WEBCAM MOVG NW
FM SUMMIT. VA HGT FM PREV VAA. VA DIR FM STLT/NWP
MDLS SHOWS NW-LY TO W-LY MOVMT TREND THRU T+18.
...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210314/1815Z
Volcanic Ash Advisory issued on 2021-03-14 at 09:03 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Continue volcanic ash extend up to 75nm w from the summit. Nwp model indicates a continue w move through t+18hrs. Zhu.

Original Message :

Received FVXX22 at 09:05 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/0903Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/091
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 14/0830Z
OBS VA CLD: SFC/FL130 N1439 W09153 - N1423 W09035 - N1420 W09035 - N1422 W09154 - N1439 W09153 MOV W 20KT
FCST VA CLD +6HR: 14/1430Z SFC/FL130 N1453 W09155 - N1423 W09035 - N1420 W09035 - N1429 W09202 - N1453 W09155
FCST VA CLD +12HR: 14/2030Z SFC/FL130 N1458 W09150 - N1423 W09036 - N1421 W09035 - N1434 W09201 - N1458 W09150
FCST VA CLD +18HR: 15/0230Z SFC/FL130 N1445 W09158 - N1423 W09035 - N1421 W09035 - N1425 W09201 - N1445 W09158
RMK: CONT VA EXTD UP TO 75NM W FM THE SUMMIT. NWP
MDL INDICATES A CONT W MOV THRU T+18HRS. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20210314/1500Z
Volcanic Ash Advisory issued on 2021-03-14 at 03:28 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash clouds now visible.
  • Weather clouds have cleared the summit and revealed fast mvg volcanic ash clouds move w of summit into weather and winds based on nwp model gdnc and insivumeh report. Jlevine.

Original Message :

Received FVXX22 at 03:30 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/0328Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/090
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
INSIVUMEH. SOCIAL MEDIA. SEISMIC.
ERUPTION DETAILS: VA CLDS NOW VISIBLE
OBS VA DTG: 14/0310Z
OBS VA CLD: SFC/FL130 N1425 W09104 - N1423 W09035 - N1422 W09035 - N1417 W09104 - N1425 W09104 MOV W 20KT
FCST VA CLD +6HR: 14/0900Z SFC/FL130 N1426 W09111 - N1423 W09035 - N1422 W09035 - N1415 W09111 - N1426 W09111
FCST VA CLD +12HR: 14/1500Z SFC/FL130 N1426 W09111 - N1423 W09035 - N1422 W09035 - N1415 W09111 - N1426 W09111
FCST VA CLD +18HR: 14/2100Z SFC/FL130 N1426 W09111 - N1423 W09035 - N1422 W09035 - N1415 W09111 - N1426 W09111
RMK: WX CLDS HAVE CLEARED THE SUMMIT AND REVEALED
FAST MVG VA CLDS MOV W OF SUMMIT INTO WX CLDS. FL
AND WINDS BASED ON NWP MODEL GDNC AND INSIVUMEH
RPRT. ...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210314/0930Z
Volcanic Ash Advisory issued on 2021-03-14 at 02:34 UTC.

    Key information extracted from original VAA message :


  • Likely volcanic ash activity reported.
  • Likely volcanic ash activity reported through seismo from insivumeh and report on twitter. Bull suggd 110-150, but nwp model winds with flight level 120 (3600m) based on reported mvmt to southwest and south. Volcanic ash clouds not observation due to extensive weather cloud. Thrml anomaly reported in volcat. Jlevine.

Original Message :

Received FVXX22 at 02:36 UTC, 14/03/21 from KNES
VA ADVISORY
DTG: 20210314/0234Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/089
INFO SOURCE: NWP MODELS. VOLCAT. INSIVUMEH.
SOCIAL MEDIA. SEISMIC.
ERUPTION DETAILS: LIKELY VA ACTVTY RPRTD
OBS VA DTG: 14/0200Z
OBS VA CLD: SFC/FL120 N1423 W09035 - N1422 W09035 - N1406 W09044 - N1421 W09055 - N1423 W09035 MOV SW 15KT
FCST VA CLD +6HR: 14/0800Z SFC/FL120 N1423 W09059 - N1423 W09035 - N1422 W09035 - N1409 W09055 - N1423 W09059
FCST VA CLD +12HR: 14/1400Z NO VA EXP
FCST VA CLD +18HR: 14/2000Z NO VA EXP
RMK: LIKELY VA ACTVTY RPRTD THRU SEISMO FM
INSIVUMEH AND RPRT ON TWITTER. BULL SUGGD
FL110-150, BUT NWP MODEL WINDS ALIGN WITH FL120
BASED ON RPRTD MVMT TO SW AND S. VA CLDS NOT OBS
DUE TO EXTSV WX CLD. THRML ANOMALY RPRTD IN
VOLCAT ...JLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210314/0830Z
Volcanic Ash Advisory issued on 2021-03-13 at 17:17 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission have disp in satellite imagery.
  • Earlier volcanic ash emission observation in satellite have disp. No new volcanic ash rprts/obs received from meteorological watch office. Low conf with vaa due to weather volcanic ash event ended. Sambucci.

Original Message :

Received FVXX22 at 17:20 UTC, 13/03/21 from KNES
VA ADVISORY
DTG: 20210313/1717Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/088
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS HAVE DISP IN STLT IMAGERY
OBS VA DTG: 13/1650Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 13/2300Z NO VA EXP
FCST VA CLD +12HR: 14/0500Z NO VA EXP
FCST VA CLD +18HR: 14/1100Z NO VA EXP
RMK: EARLIER VA EMS OBS IN STLT HAVE DISP. NO NEW
VA RPRTS/OBS RECEIVED FM MWO. LOW CONF WITH VAA
DUE TO WX CLDS. VA EVENT ENDED. ...SAMBUCCI
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-13 at 11:48 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em.
  • Multiple discrete volcanic ash em seen in satellite move w and extnd approximate 80 nm from summit. Velasco.

Original Message :

Received FVXX22 at 11:50 UTC, 13/03/21 from KNES
VA ADVISORY
DTG: 20210313/1148Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/087
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EM
OBS VA DTG: 13/1110Z
OBS VA CLD: SFC/FL120 N1425 W09036 - N1421 W09036 - N1411 W09152 - N1424 W09201 - N1425 W09036 MOV W 15-20KT
FCST VA CLD +6HR: 13/1700Z SFC/FL120 N1425 W09036 - N1421 W09035 - N1410 W09159 - N1424 W09200 - N1425 W09036
FCST VA CLD +12HR: 13/2300Z NO VA EXP
FCST VA CLD +18HR: 14/0500Z NO VA EXP
RMK: MULTIPLE DISCRETE VA EM SEEN IN STLT MOV W
AND EXTND APRX 80 NM FROM SUMMIT. ...VELASCO
NXT ADVISORY: WILL BE ISSUED BY 20210313/1745Z
Volcanic Ash Advisory issued on 2021-03-13 at 06:05 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em.
  • Light volcanic ash em seen in satellite data move southwest and extnd approximate 25 nm from summit. Volcanic ash activity expected to continue through forecast period based on recent hx. Velasco.

Original Message :

Received FVXX22 at 06:07 UTC, 13/03/21 from KNES
VA ADVISORY
DTG: 20210313/0605Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/086
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EM
OBS VA DTG: 13/0540Z
OBS VA CLD: SFC/FL120 N1424 W09036 - N1421 W09035 - N1405 W09059 - N1414 W09105 - N1424 W09036 MOV W 20KT
FCST VA CLD +6HR: 13/1130Z SFC/FL120 N1424 W09036 - N1421 W09034 - N1405 W09100 - N1416 W09107 - N1424 W09036
FCST VA CLD +12HR: 13/1730Z NO VA EXP
FCST VA CLD +18HR: 13/2330Z NO VA EXP
RMK: LGT VA EM SEEN IN STLT DATA MOV SW AND EXTND
APRX 25 NM FROM SUMMIT. VA ACT EXPECTED TO CONT
THRU FCST PERIOD BASED ON RECENT HX ...VELASCO
NXT ADVISORY: WILL BE ISSUED BY 20210313/1200Z
Volcanic Ash Advisory issued on 2021-03-13 at 00:22 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash em observation.
  • Frequent volcanic ash em observation from satellite data and webcam mvg southwest. Nwp forecast winds to generally remain mvg southwest at around 25 kts. From nwp. Mlevine.

Original Message :

Received FVXX22 at 00:24 UTC, 13/03/21 from KNES
VA ADVISORY
DTG: 20210313/0022Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/085
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQ VA EM OBS
OBS VA DTG: 12/2350Z
OBS VA CLD: SFC/FL120 N1424 W09038 - N1422 W09035 - N1406 W09104 - N1410 W09107 - N1424 W09038 MOV SW 30KT
FCST VA CLD +6HR: 13/0600Z SFC/FL120 N1426 W09038 - N1422 W09035 - N1405 W09111 - N1416 W09116 - N1426 W09038
FCST VA CLD +12HR: 13/1200Z SFC/FL120 N1425 W09038 - N1422 W09035 - N1402 W09111 - N1414 W09117 - N1425 W09038
FCST VA CLD +18HR: 13/1800Z NO VA EXP
RMK: FRQ VA EM OBS FM STLT DATA AND WEBCAM MVG
SW. NWP FCSTS WINDS TO GENLY RMN MVG SW AT ARND
25 KTS. FL FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210313/0615Z
Volcanic Ash Advisory issued on 2021-03-12 at 19:05 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash em.
  • Occasional volcanic ash em from satellite data and webcam. Most regard puff reaching nearly 50 nm wsw from summit. Winds forecast to veer slghtly through t+12 acrdg to nwp. From nwp. Mlevine.

Original Message :

Received FVXX22 at 19:07 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/1905Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/084
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EM
OBS VA DTG: 12/1840Z
OBS VA CLD: SFC/FL140 N1422 W09035 - N1404 W09125 - N1414 W09129 - N1422 W09035 MOV SW 30KT
FCST VA CLD +6HR: 13/0030Z SFC/FL140 N1425 W09036 - N1421 W09035 - N1402 W09137 - N1420 W09143 - N1425 W09036
FCST VA CLD +12HR: 13/0630Z SFC/FL140 N1425 W09035 - N1423 W09035 - N1402 W09150 - N1420 W09156 - N1425 W09035
FCST VA CLD +18HR: 13/1230Z NO VA EXP
RMK: OCNL VA EM FM STLT DATA AND WEBCAM. MOST RE
PUFF RCHG NRLY 50 NM WSW FM SUMMIT. WINDS FCST TO
VEER SLGHTLY THRU T+12 ACRDG TO NWP. FL FM NWP.
...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210313/0100Z
Volcanic Ash Advisory issued on 2021-03-12 at 17:51 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation in satellite and summit webcam.
  • Volcanic ash emission continue observation in satellite and summit webcam now moving southwest from summit. Volcanic ash hgt/dir from stlt/nwp models shows sw-ly to wsw-ly movement trend through t+18. Sambucci.

Original Message :

Received FVXX22 at 17:54 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/1751Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/083
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS OBS IN STLT AND SUMMIT
WEBCAM
OBS VA DTG: 12/1730Z
OBS VA CLD: SFC/FL120 N1423 W09036 - N1420 W09034 - N1404 W09055 - N1414 W09109 - N1423 W09036 MOV SW 25KT
FCST VA CLD +6HR: 12/2330Z SFC/FL120 N1424 W09036 - N1420 W09034 - N1401 W09055 - N1412 W09114 - N1424 W09036
FCST VA CLD +12HR: 13/0530Z SFC/FL120 N1426 W09114 - N1424 W09035 - N1421 W09034 - N1407 W09113 - N1426 W09114
FCST VA CLD +18HR: 13/1130Z SFC/FL120 N1425 W09037 - N1421 W09035 - N1404 W09115 - N1423 W09117 - N1425 W09037
RMK: VA EMS CONT OBS IN STLT AND SUMMIT WEBCAM
NOW MOVG SW FM SUMMIT. VA HGT/DIR FM STLT/NWP
MDLS SHOWS SW-LY TO WSW-LY MOVMT TREND THRU T+18.
...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210312/2345Z
Volcanic Ash Advisory issued on 2021-03-12 at 13:45 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission observation in summit webcam.
  • Volcanic ash emission continue observation in summit webcam and satellite moving w from summit. Volcanic ash height from prev vaa. Volcanic ash direction from stlt/nwp models shows w-ly to sw-ly movement trend through t+18. Sambucci.

Original Message :

Received FVXX22 at 13:47 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/1345Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/082
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS IN SUMMIT WEBCAM
OBS VA DTG: 12/1320Z
OBS VA CLD: SFC/FL120 N1427 W09113 - N1424 W09036 - N1420 W09035 - N1412 W09113 - N1427 W09113 MOV W 15KT
FCST VA CLD +6HR: 12/1930Z SFC/FL120 N1424 W09037 - N1420 W09033 - N1402 W09054 - N1419 W09113 - N1424 W09037
FCST VA CLD +12HR: 13/0130Z SFC/FL120 N1424 W09037 - N1421 W09032 - N1403 W09051 - N1410 W09113 - N1424 W09037
FCST VA CLD +18HR: 13/0730Z SFC/FL120 N1424 W09036 - N1420 W09032 - N1402 W09050 - N1408 W09111 - N1424 W09036
RMK: VA EMS CONT OBS IN SUMMIT WEBCAM AND STLT
MOVG W FM SUMMIT. VA HGT FM PREV VAA. VA DIR FM
STLT/NWP MDLS SHOWS W-LY TO SW-LY MOVMT TREND
THRU T+18. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210312/1945Z
Volcanic Ash Advisory issued on 2021-03-12 at 07:55 UTC.

    Key information extracted from original VAA message :


  • Occasional em.
  • Occasional em have resulted in a plume of volcanic ash ext 60 nm w of the summit. Nwp models forecast em to back through t+18. Turk.

Original Message :

Received FVXX22 at 07:58 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/0755Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/081
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL EM
OBS VA DTG: 12/0730Z
OBS VA CLD: SFC/FL120 N1434 W09136 - N1424 W09035 - N1421 W09036 - N1422 W09137 - N1434 W09136 MOV W 15KT
FCST VA CLD +6HR: 12/1330Z SFC/FL120 N1425 W09036 - N1421 W09034 - N1349 W09130 - N1405 W09142 - N1425 W09036
FCST VA CLD +12HR: 12/1930Z SFC/FL120 N1425 W09035 - N1421 W09034 - N1353 W09140 - N1410 W09147 - N1425 W09035
FCST VA CLD +18HR: 13/0130Z SFC/FL120 N1425 W09036 - N1422 W09034 - N1337 W09124 - N1342 W09140 - N1425 W09036
RMK: OCNL EM HAVE RESULTED IN A BROKEN PLUME OF
VA EXT 60 NM W OF THE SUMMIT. NWP MODELS FCST EM
TO BACK THRU T+18. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20210312/1400Z
Volcanic Ash Advisory issued on 2021-03-12 at 03:10 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash em.
  • Occasional volcanic ash em observation from satellite data mvg o around 10 nm southwest of summit. Winds forecast to remain mvg southwest through t+12 acrdg to nwp. From nwp. Mlevine.

Original Message :

Received FVXX22 at 03:12 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/0310Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/080
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL VA EM
OBS VA DTG: 12/0230Z
OBS VA CLD: SFC/FL120 N1425 W09047 - N1422 W09035 - N1413 W09046 - N1425 W09047 MOV SW 20KT
FCST VA CLD +6HR: 12/0830Z SFC/FL120 N1428 W09102 - N1422 W09035 - N1404 W09058 - N1428 W09102
FCST VA CLD +12HR: 12/1430Z SFC/FL120 N1431 W09114 - N1423 W09035 - N1355 W09108 - N1431 W09114
FCST VA CLD +18HR: 12/2030Z NO VA EXP
RMK: OCNL VA EM OBS FM STLT DATA MVG O ARND 10 NM
SW OF SUMMIT. WINDS FCST TO RMN MVG SW THRU T+12
ACRDG TO NWP. FL FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210312/0915Z
Volcanic Ash Advisory issued on 2021-03-12 at 01:25 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash em dtctd.
  • No volcanic ash em dtctd mvg away from summit from satellite data or webcam. Some em might be present near the summit but prev volcanic ash em has since dissipated. Mlevine.

Original Message :

Received FVXX20 at 01:28 UTC, 12/03/21 from KNES
VA ADVISORY
DTG: 20210312/0125Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/079
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: NO VA EM DTCTD
OBS VA DTG: 12/0050Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 12/0700Z NO VA EXP
FCST VA CLD +12HR: 12/1300Z NO VA EXP
FCST VA CLD +18HR: 12/1900Z NO VA EXP
RMK: NO VA EM DTCTD MVG AWAY FM SUMMIT FM STLT
DATA OR WEBCAM. SOME EM MIGHT BE PRSNT NEAR THE
SUMMIT BUT PREV VA EM HAS SINCE DSIPTD ...MLEVINE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-11 at 20:17 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash em.
  • Occasional volcanic ash em observation from satellite data ext about 30 nm southwest from summit. Winds will generally remain southwest through t+12. And winds dtrmd from nwp. Mlevine.

Original Message :

Received FVXX20 at 20:21 UTC, 11/03/21 from KNES
VA ADVISORY
DTG: 20210311/2017Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/078
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL VA EM
OBS VA DTG: 11/1940Z
OBS VA CLD: SFC/FL120 N1423 W09036 - N1356 W09055 - N1405 W09104 - N1423 W09036 MOV SW 10KT
FCST VA CLD +6HR: 12/0130Z SFC/FL120 N1423 W09035 - N1358 W09105 - N1408 W09117 - N1423 W09035
FCST VA CLD +12HR: 12/0730Z SFC/FL120 N1422 W09036 - N1355 W09100 - N1405 W09109 - N1422 W09036
FCST VA CLD +18HR: 12/1330Z NO VA EXP
RMK: OCNL VA EM OBS FM STLT DATA EXT ABT 30 NM SW
FM SUMMIT. WINDS WILL GENLY RMN SW THRU T+12. FL
AND WINDS DTRMD FM NWP ...MLEVINE
NXT ADVISORY: WILL BE ISSUED BY 20210312/0215Z
Volcanic Ash Advisory issued on 2021-03-11 at 15:21 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • A few small puffs noted in satellite imagery. Webcam obscured by weather volcanic ash move to w of summit. Lee.

Original Message :

Received FVXX22 at 15:26 UTC, 11/03/21 from KNES
VA ADVISORY
DTG: 20210311/1521Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/077
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 11/1500Z
OBS VA CLD: SFC/FL120 N1425 W09049 - N1424 W09035 - N1422 W09035 - N1420 W09052 - N1425 W09049 MOV W 15KT
FCST VA CLD +6HR: 11/2100Z SFC/FL120 N1425 W09052 - N1423 W09035 - N1421 W09035 - N1420 W09053 - N1425 W09052
FCST VA CLD +12HR: 12/0300Z NO VA EXP
FCST VA CLD +18HR: 12/0900Z NO VA EXP
RMK: A FEW SMALL PUFFS NOTED IN STLT IMAGERY.
WEBCAM OBSCURED BY WX CLDS. VA MOV TO W OF
SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20210311/2115Z
Volcanic Ash Advisory issued on 2021-03-11 at 09:39 UTC.

    Key information extracted from original VAA message :


  • Occasional em.
  • Possible remnant volcanic ash cloud was centered 13 nm w of the summit and disp. Future em forecast by nwp models to move westward. Turk.

Original Message :

Received FVXX22 at 09:42 UTC, 11/03/21 from KNES
VA ADVISORY
DTG: 20210311/0939Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/076
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL EM
OBS VA DTG: 11/0920Z
OBS VA CLD: SFC/FL120 N1423 W09050 - N1420 W09050 - N1420 W09053 - N1423 W09053 - N1423 W09050 MOV W 10KT
FCST VA CLD +6HR: 11/1530Z SFC/FL120 N1425 W09036 - N1421 W09035 - N1419 W09058 - N1424 W09059 - N1425 W09036
FCST VA CLD +12HR: 11/2130Z NO VA EXP
FCST VA CLD +18HR: 12/0330Z NO VA EXP
RMK: PSBL REMNANT VA CLD WAS CENTERED 13 NM W OF
THE SUMMIT AND DISP. FUTURE EM FCST BY NWP MODELS
TO MOV WWD. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20210311/1545Z
Volcanic Ash Advisory issued on 2021-03-11 at 03:58 UTC.

    Key information extracted from original VAA message :


  • Occasional em.
  • Single volcanic ash em ext 17 nm wnw of the summit before disp. Little change exp based on nwp. Turk.

Original Message :

Received FVXX22 at 04:00 UTC, 11/03/21 from KNES
VA ADVISORY
DTG: 20210311/0358Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/075
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL EM
OBS VA DTG: 11/0340Z
OBS VA CLD: SFC/FL120 N1431 W09051 - N1423 W09036 - N1419 W09038 - N1426 W09053 - N1431 W09051 MOV W 15KT
FCST VA CLD +6HR: 11/0930Z SFC/FL120 N1433 W09053 - N1424 W09034 - N1420 W09036 - N1427 W09056 - N1433 W09053
FCST VA CLD +12HR: 11/1530Z NO VA EXP
FCST VA CLD +18HR: 11/2130Z NO VA EXP
RMK: SINGLE VA EM EXT 17 NM WNW OF THE SUMMIT
BEFORE DISP. LTLCG EXP BASED ON NWP MODELS.
...TURK
NXT ADVISORY: WILL BE ISSUED BY 20210311/1000Z
Volcanic Ash Advisory issued on 2021-03-10 at 22:08 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission observation in summit webcam.
  • New volcanic ash emission observation from summit webcam. Low conf on volcanic ash ext due to weather clouds over summit region. Volcanic ash hgt/dir from stlt/nwp models shows continue w/ly movement through t+6. Tuggle.

Original Message :

Received FVXX22 at 22:12 UTC, 10/03/21 from KNES
VA ADVISORY
DTG: 20210310/2208Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/074
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS OBS IN SUMMIT WEBCAM
OBS VA DTG: 10/2140Z
OBS VA CLD: SFC/FL110 N1426 W09047 - N1424 W09035 - N1420 W09035 - N1420 W09047 - N1426 W09047 MOV W 15KT
FCST VA CLD +6HR: 11/0330Z SFC/FL110 N1426 W09054 - N1424 W09035 - N1420 W09035 - N1417 W09053 - N1426 W09054
FCST VA CLD +12HR: 11/0930Z NO VA EXP
FCST VA CLD +18HR: 11/1530Z NO VA EXP
RMK: NEW VA EMS OBS FM SUMMIT WEBCAM. LOW CONF ON
VA EXT DUE TO WX CLDS OVR SUMMIT REGION. VA
HGT/DIR FM STLT/NWP MDLS SHOWS CONT W/LY MOVMT
THRU T+6. ...TUGGLE
NXT ADVISORY: WILL BE ISSUED BY 20210311/0415Z
Volcanic Ash Advisory issued on 2021-03-09 at 16:16 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission disp.
  • Volcanic ash emission not seen in satellite imgry under mostly clear condition. Webcam obscure by meteorological any new volcanic ash emission forecast to move southwest at 15. Tuggle.

Original Message :

Received FVXX22 at 16:19 UTC, 09/03/21 from KNES
VA ADVISORY
DTG: 20210309/1616Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/073
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS DISP
OBS VA DTG: 09/1601Z
OBS VA CLD: VA NOT IDENTIFIABLE IN STLT IMGRY
FCST VA CLD +6HR: 09/2200Z NO VA EXP
FCST VA CLD +12HR: 10/0400Z NO VA EXP
FCST VA CLD +18HR: 10/1000Z NO VA EXP
RMK: VA EMS NOT SEEN IN STLT IMGRY UNDER MOSTLY
CLR COND. WEBCAM OBSC BY MET CLDS. ANY NEW VA EMS
FCST TO MOV SW AT 15 KNOTS. ...TUGGLE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2021-03-04 at 05:08 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash has dissipated.
  • Volcanic ash from prev emission has dissipated. Infrared hotspot persists. Will continue to monitor for further emission. Clark.

Original Message :

Received FVXX22 at 05:10 UTC, 04/03/21 from KNES
VA ADVISORY
DTG: 20210304/0508Z
VAAC: WASHINGTON
VOLCANO: PACAYA 342110
PSN: N1422 W09035
AREA: GUATEMALA
SUMMIT ELEV: 8373 FT [2552 M]
ADVISORY NR: 2021/050
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA HAS DSIPTD.
OBS VA DTG: 04/0450Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 04/1100Z NO VA EXP
FCST VA CLD +12HR: 04/1700Z NO VA EXP
FCST VA CLD +18HR: 04/2300Z NO VA EXP
RMK: VA FM PREV EMS HAS DSIPTD. IR HOTSPOT
PERSISTS. WILL CONTINUE TO MONITOR FOR FURTHER
EMS. ...CLARK
NXT ADVISORY: NO FURTHER ADVISORIES