Overall Green Volcanic eruption for Fuego
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.



Volcanic Ash Advisory issued on 2026-08-17 at 19:42 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. Webcam shows volcanic ash emission. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 19:46 UTC, 17/08/26 from KNES
VA ADVISORY
DTG: 20260817/1942Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/964
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 17/1910Z
EST VA CLD: SFC/FL140 N1435 W09112 - N1428 W09052 - N1428 W09053 - N1426 W09112 - N1435 W09112 MOV W 20KT
FCST VA CLD +6HR: 18/0100Z SFC/FL140 N1435 W09112 - N1428 W09053 - N1428 W09052 - N1426 W09112 - N1435 W09112
FCST VA CLD +12HR: 18/0700Z SFC/FL140 N1435 W09112 - N1428 W09052 - N1428 W09053 - N1426 W09111 - N1435 W09112
FCST VA CLD +18HR: 18/1300Z SFC/FL140 N1435 W09112 - N1428 W09053 - N1428 W09052 - N1426 W09111 - N1435 W09112
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS VA EMS. NO CHG FCST TO
MDL WINDS AT FL NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260818/0145Z
Volcanic Ash Advisory issued on 2026-08-17 at 13:49 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Frqt volcanic ash emission observation in webcam but satellite imagery is obscured by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 13:51 UTC, 17/08/26 from KNES
VA ADVISORY
DTG: 20260817/1349Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/963
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
EST VA DTG: 17/1320Z
EST VA CLD: SFC/FL160 N1438 W09116 - N1429 W09052 - N1427 W09052 - N1428 W09119 - N1438 W09116 MOV NW 20KT
FCST VA CLD +6HR: 17/1930Z SFC/FL160 N1444 W09118 - N1428 W09052 - N1427 W09052 - N1433 W09124 - N1444 W09118
FCST VA CLD +12HR: 18/0130Z SFC/FL160 N1441 W09122 - N1429 W09052 - N1427 W09052 - N1429 W09125 - N1441 W09122
FCST VA CLD +18HR: 18/0730Z SFC/FL160 N1438 W09123 - N1429 W09052 - N1427 W09052 - N1428 W09125 - N1438 W09123
RMK: FRQT VA EMS OBS IN WEBCAM BUT STLT IMAGERY
IS OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED
ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260817/1945Z
Volcanic Ash Advisory issued on 2026-08-17 at 07:59 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission observation in satellite img now ext approximate 50nm w from summit. Mvmt to shift wnw by t+12. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 08:01 UTC, 17/08/26 from KNES
VA ADVISORY
DTG: 20260817/0759Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/962
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 17/0720Z
OBS VA CLD: SFC/FL160 N1435 W09142 - N1435 W09104 - N1428 W09053 - N1428 W09052 - N1431 W09143 - N1435 W09142 MOV W 20KT
FCST VA CLD +6HR: 17/1330Z SFC/FL160 N1440 W09141 - N1428 W09052 - N1428 W09052 - N1433 W09143 - N1440 W09141
FCST VA CLD +12HR: 17/1930Z SFC/FL160 N1449 W09137 - N1428 W09052 - N1428 W09053 - N1442 W09141 - N1449 W09137
FCST VA CLD +18HR: 18/0130Z SFC/FL160 N1444 W09140 - N1429 W09052 - N1428 W09052 - N1437 W09142 - N1444 W09140
RMK: VA EMS OBS IN STLT IMG NOW EXT APRX 50NM W
FM SUMMIT. MVMT TO SHIFT WNW BY T+12. FCST BASED
ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260817/1400Z
Volcanic Ash Advisory issued on 2026-08-17 at 06:41 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 30nm from summit fanning southwest through wnw. Wnw mvmt exp through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 06:43 UTC, 17/08/26 from KNES
VA ADVISORY
DTG: 20260817/0641Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/961
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 17/0610Z
OBS VA CLD: SFC/FL160 N1432 W09111 - N1428 W09052 - N1428 W09052 - N1417 W09120 - N1423 W09125 - N1432 W09111 MOV W 20KT
FCST VA CLD +6HR: 17/1200Z SFC/FL160 N1438 W09123 - N1428 W09052 - N1428 W09053 - N1429 W09125 - N1438 W09123
FCST VA CLD +12HR: 17/1800Z SFC/FL160 N1441 W09122 - N1428 W09053 - N1428 W09053 - N1433 W09124 - N1441 W09122
FCST VA CLD +18HR: 18/0000Z SFC/FL160 N1440 W09122 - N1428 W09053 - N1428 W09052 - N1432 W09125 - N1440 W09122
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
30NM FM SUMMIT FANNING SW THRU WNW. WNW MVMT EXP
THRU T+18. FCST BASED ON STLT AND MDL WINDS.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260817/1245Z
Volcanic Ash Advisory issued on 2026-08-17 at 00:38 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash detected on satellite moving wsw of summit. Webcam shows near continuous volcanic ash emission. Model winds at forecast to veer a bit next 6 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 00:41 UTC, 17/08/26 from KNES
VA ADVISORY
DTG: 20260817/0038Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/960
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 17/0010Z
OBS VA CLD: SFC/FL140 N1429 W09053 - N1428 W09052 - N1419 W09126 - N1428 W09128 - N1429 W09053 MOV W 20KT
FCST VA CLD +6HR: 17/0600Z SFC/FL140 N1434 W09132 - N1429 W09053 - N1428 W09052 - N1423 W09132 - N1434 W09132
FCST VA CLD +12HR: 17/1200Z SFC/FL140 N1437 W09132 - N1429 W09052 - N1428 W09052 - N1426 W09133 - N1437 W09132
FCST VA CLD +18HR: 17/1800Z SFC/FL140 N1437 W09132 - N1429 W09052 - N1428 W09052 - N1427 W09132 - N1437 W09132
RMK: VA DETECTED ON STLT MOVG WSW OF SUMMIT.
WEBCAM SHOWS NEAR CONS VA EMS. MDL WINDS AT FL
FCST TO VEER A BIT NXT 6 HR BECMG MORE FM THE E.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260817/0645Z
Volcanic Ash Advisory issued on 2026-08-16 at 18:54 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving wsw of summit. Webcam shows frequent volcanic ash emission. Model winds at forecast to veer by t+18 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 18:57 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/1854Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/959
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 16/1830Z
OBS VA CLD: SFC/FL140 N1431 W09122 - N1428 W09053 - N1428 W09052 - N1420 W09120 - N1431 W09122 MOV W 20KT
FCST VA CLD +6HR: 17/0030Z SFC/FL140 N1431 W09132 - N1428 W09053 - N1428 W09053 - N1418 W09129 - N1431 W09132
FCST VA CLD +12HR: 17/0630Z SFC/FL140 N1431 W09126 - N1428 W09052 - N1428 W09052 - N1419 W09125 - N1431 W09126
FCST VA CLD +18HR: 17/1230Z SFC/FL140 N1435 W09123 - N1428 W09052 - N1428 W09053 - N1423 W09123 - N1435 W09123
RMK: VA DETECTED ON STLT MOVG WSW OF SUMMIT.
WEBCAM SHOWS FQT VA EMS. MDL WINDS AT FL FCST TO
VEER BY T+18 HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260817/0100Z
Volcanic Ash Advisory issued on 2026-08-16 at 13:03 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite mvg w and southwest from summit. Webcam shows continuous plume just above summit to flight level 140 (4200m) mvg w along with frqt discrete emission to flight level 160 (4800m) mvg southwest. A general wsw to southwest mvmt exp at both through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 13:07 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/1303Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/958
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 16/1230Z
OBS VA CLD: SFC/FL140 N1435 W09119 - N1429 W09052 - N1427 W09052 - N1427 W09120 - N1435 W09119 MOV W 20KT SFC/FL160 N1429 W09052 - N1426 W09052 - N1411 W09116 - N1420 W09120 - N1429 W09052 MOV SW 10KT
FCST VA CLD +6HR: 16/1830Z SFC/FL140 N1429 W09052 - N1426 W09051 - N1411 W09148 - N1428 W09150 - N1429 W09052 SFC/FL160 N1429 W09052 - N1426 W09052 - N1359 W09135 - N1411 W09142 - N1429 W09052
FCST VA CLD +12HR: 17/0030Z SFC/FL140 N1429 W09052 - N1426 W09052 - N1358 W09130 - N1411 W09138 - N1429 W09052 SFC/FL160 NO VA EXP
FCST VA CLD +18HR: 17/0630Z SFC/FL140 N1429 W09052 - N1426 W09051 - N1407 W09131 - N1419 W09136 - N1429 W09052
RMK: VA EMS OBS ON STLT MVG W AND SW FM SUMMIT.
WEBCAM SHOWS CONS PLUME JUST ABOVE SUMMIT TO
FL140 MVG W ALONG WITH FRQT DISCRETE EMS TO FL160
MVG SW. A GEN WSW TO SW MVMT EXP AT BOTH FL THRU
T+18 ACCORDING TO NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260816/1900Z
Volcanic Ash Advisory issued on 2026-08-16 at 08:18 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash emission observation in satellite img ext approximate 50nm wsw from summit. A more southwest mvmt exp by t+6. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 08:20 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/0818Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/957
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 16/0730Z
OBS VA CLD: SFC/FL150 N1433 W09108 - N1428 W09052 - N1428 W09052 - N1423 W09111 - N1419 W09143 - N1424 W09144 - N1433 W09108 MOV W 20KT
FCST VA CLD +6HR: 16/1330Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1408 W09137 - N1414 W09140 - N1428 W09053
FCST VA CLD +12HR: 16/1930Z SFC/FL150 N1428 W09052 - N1428 W09052 - N1407 W09136 - N1412 W09139 - N1428 W09052
FCST VA CLD +18HR: 17/0130Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1405 W09135 - N1410 W09138 - N1428 W09053
RMK: VA EMS OBS IN STLT IMG EXT APRX 50NM WSW FM
SUMMIT. A MORE SW MVMT EXP BY T+6. FCST BASED ON
STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260816/1415Z
Volcanic Ash Advisory issued on 2026-08-16 at 05:24 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Frequent volcanic ash emission observation in webcam and satellite img ext approximate 40nm southwest from summit. A general southwest mvmt exp through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 05:26 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/0524Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/956
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 16/0450Z
OBS VA CLD: SFC/FL150 N1428 W09052 - N1428 W09052 - N1409 W09129 - N1413 W09133 - N1428 W09052 MOV SW 20KT
FCST VA CLD +6HR: 16/1100Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1418 W09135 - N1423 W09135 - N1428 W09053
FCST VA CLD +12HR: 16/1700Z SFC/FL150 N1428 W09053 - N1427 W09052 - N1411 W09132 - N1416 W09134 - N1428 W09053
FCST VA CLD +18HR: 16/2300Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1411 W09132 - N1416 W09134 - N1428 W09053
RMK: FREQUENT VA EMS OBS IN WEBCAM AND STLT IMG
EXT APRX 40NM SW FM SUMMIT. A GEN SW MVMT EXP
THRU T+18. FCST BASED ON STLT AND MDL WINDS.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260816/1130Z
Volcanic Ash Advisory issued on 2026-08-16 at 02:42 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission.
  • Small volcanic ash emission observation in satellite img ext approximate 15nm wsw from summit. Wsw mvmt exp through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 02:45 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/0242Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/955
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
OBS VA DTG: 16/0210Z
OBS VA CLD: SFC/FL150 N1425 W09105 - N1422 W09105 - N1422 W09107 - N1425 W09108 - N1425 W09105 MOV SW 20KT SFC/FL150 N1429 W09058 - N1428 W09053 - N1428 W09052 - N1426 W09058 - N1429 W09058 MOV SW 20KT
FCST VA CLD +6HR: 16/0800Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1424 W09108 - N1427 W09108 - N1428 W09053
FCST VA CLD +12HR: 16/1400Z SFC/FL150 N1428 W09053 - N1428 W09052 - N1422 W09107 - N1426 W09108 - N1428 W09053
FCST VA CLD +18HR: 16/2000Z SFC/FL150 N1428 W09052 - N1428 W09052 - N1422 W09107 - N1425 W09108 - N1428 W09052
RMK: SML VA EMS OBS IN STLT IMG EXT APRX 15NM WSW
FM SUMMIT. WSW MVMT EXP THRU T+18. FCST BASED ON
STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260816/0845Z
Volcanic Ash Advisory issued on 2026-08-15 at 20:41 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. Volcanic ash emission likely continue recent activity. Model winds at forecast to veer next 6 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 20:43 UTC, 15/08/26 from KNES
VA ADVISORY
DTG: 20260815/2041Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/954
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 15/2020Z
OBS VA CLD: SFC/FL150 N1428 W09053 - N1428 W09052 - N1416 W09111 - N1423 W09117 - N1428 W09053 MOV SW 0KT
FCST VA CLD +6HR: 16/0230Z SFC/FL150 N1432 W09117 - N1428 W09052 - N1428 W09052 - N1422 W09117 - N1432 W09117
FCST VA CLD +12HR: 16/0830Z SFC/FL150 N1432 W09117 - N1428 W09053 - N1428 W09053 - N1423 W09117 - N1432 W09117
FCST VA CLD +18HR: 16/1430Z SFC/FL150 N1432 W09117 - N1428 W09052 - N1428 W09052 - N1422 W09117 - N1432 W09117
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. MDL WINDS AT FL FCST TO VEER NXT 6 HR
BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260816/0245Z
Volcanic Ash Advisory issued on 2026-08-15 at 14:38 UTC.

    Key information extracted from original VAA message :


  • Possible continuing occasional volcanic ash emission.
  • Volcanic ash not currently observation in satellite with some meteorological cloud but emission observation in past few hours. Observation volcanic ash area estd from prev vaa and furthest extent of recent em. Little change forecast in mvmt through t+18 hours. Clark.

Original Message :

Received FVXX20 at 14:40 UTC, 15/08/26 from KNES
VA ADVISORY
DTG: 20260815/1438Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/953
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: PSBL CONTG OCNL VA EMS.
EST VA DTG: 15/1410Z
EST VA CLD: SFC/FL170 N1433 W09151 - N1429 W09052 - N1428 W09052 - N1421 W09150 - N1433 W09151 MOV W 20KT
FCST VA CLD +6HR: 15/2000Z SFC/FL170 N1429 W09052 - N1428 W09052 - N1416 W09148 - N1428 W09150 - N1429 W09052
FCST VA CLD +12HR: 16/0200Z SFC/FL170 N1429 W09052 - N1427 W09052 - N1416 W09149 - N1428 W09151 - N1429 W09052
FCST VA CLD +18HR: 16/0800Z SFC/FL170 N1429 W09151 - N1429 W09052 - N1427 W09052 - N1419 W09150 - N1429 W09151
RMK: VA NOT CURRENTLY OBS IN SAT WITH SOME MET
CLD OBSCN BUT EMS OBS IN PAST FEW HRS. OBS VA
AREA ESTD FM PREV VAA AND FURTHEST EXTENT OF
RECENT EM. LTLCG FCST IN FL MVMT THRU T+18 HRS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260815/2045Z
Volcanic Ash Advisory issued on 2026-08-15 at 09:12 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 09:17 UTC, 15/08/26 from KNES
VA ADVISORY
DTG: 20260815/0912Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/952
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 15/0840Z
OBS VA CLD: SFC/FL170 N1441 W09205 - N1428 W09052 - N1419 W09159 - N1441 W09205 MOV W 10KT
FCST VA CLD +6HR: 15/1430Z SFC/FL170 N1441 W09204 - N1428 W09052 - N1420 W09201 - N1441 W09204
FCST VA CLD +12HR: 15/2030Z SFC/FL170 N1441 W09204 - N1428 W09052 - N1420 W09202 - N1441 W09204
FCST VA CLD +18HR: 16/0230Z SFC/FL170 N1442 W09204 - N1428 W09052 - N1419 W09202 - N1442 W09204
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260815/1515Z
Volcanic Ash Advisory issued on 2026-08-15 at 03:25 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 03:28 UTC, 15/08/26 from KNES
VA ADVISORY
DTG: 20260815/0325Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/951
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 15/0250Z
OBS VA CLD: SFC/FL170 N1435 W09159 - N1428 W09052 - N1411 W09156 - N1435 W09159 MOV W 10KT
FCST VA CLD +6HR: 15/0900Z SFC/FL170 N1440 W09201 - N1428 W09052 - N1413 W09158 - N1440 W09201
FCST VA CLD +12HR: 15/1500Z SFC/FL170 N1434 W09201 - N1428 W09052 - N1410 W09157 - N1434 W09201
FCST VA CLD +18HR: 15/2100Z SFC/FL170 N1432 W09203 - N1428 W09052 - N1409 W09159 - N1432 W09203
RMK: CONT VA EMS OBS W MOV IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260815/0930Z
Volcanic Ash Advisory issued on 2026-08-14 at 21:28 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving southwest of summit. Ltlchg forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 21:31 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/2128Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/950
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 14/2110Z
OBS VA CLD: SFC/FL170 N1429 W09052 - N1428 W09053 - N1408 W09141 - N1422 W09152 - N1429 W09052 MOV SW 15KT
FCST VA CLD +6HR: 15/0300Z SFC/FL170 N1428 W09053 - N1427 W09053 - N1408 W09141 - N1422 W09153 - N1428 W09053
FCST VA CLD +12HR: 15/0900Z SFC/FL170 N1428 W09053 - N1428 W09053 - N1414 W09141 - N1427 W09144 - N1428 W09053
FCST VA CLD +18HR: 15/1500Z SFC/FL170 N1428 W09053 - N1428 W09053 - N1414 W09141 - N1427 W09144 - N1428 W09053
RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT.
LTLCHG FCST TO MDL WINDS AT FL NXT 18 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260815/0330Z
Volcanic Ash Advisory issued on 2026-08-14 at 15:30 UTC.

    Key information extracted from original VAA message :


  • Ongoing signature volcanic ash emission.
  • Volcanic ash detected on satellite currently aprox 105 nm wsw of summit over pacific. Webcam shows frequent strong volcanic ash emission. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 15:35 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/1530Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/949
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING SIG VA EMS
OBS VA DTG: 14/1500Z
OBS VA CLD: SFC/FL180 N1429 W09239 - N1428 W09052 - N1427 W09052 - N1410 W09236 - N1429 W09239 MOV SW 15KT
FCST VA CLD +6HR: 14/2100Z SFC/FL180 N1428 W09240 - N1428 W09053 - N1427 W09052 - N1410 W09235 - N1428 W09240
FCST VA CLD +12HR: 15/0300Z SFC/FL180 N1429 W09214 - N1428 W09053 - N1428 W09052 - N1414 W09212 - N1429 W09214
FCST VA CLD +18HR: 15/0900Z SFC/FL180 N1428 W09214 - N1428 W09052 - N1427 W09052 - N1413 W09213 - N1428 W09214
RMK: VA DETECTED ON STLT CURRENTLY APROX 105 NM
WSW OF SUMMIT OVR PACIFIC. WEBCAM SHOWS FQT STG
VA EMS. NO CHG FCST TO MDL WINDS AT FL NXT 18
HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260814/2130Z
Volcanic Ash Advisory issued on 2026-08-14 at 09:51 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation.
  • Continuous volcanic ash emission observation in satellite img up to apprx 140nm from summit. Volcanic ash emission seen in webcam. Nwp model guidance forecast general wsw to southwest movement through t+18. Height based on webcam, movmt, and nwp. Monaghan.

Original Message :

Received FVXX20 at 09:53 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/0951Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/948
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS
OBS VA DTG: 14/0920Z
OBS VA CLD: SFC/FL180 N1458 W09137 - N1431 W09053 - N1424 W09052 - N1417 W09138 - N1421 W09311 - N1445 W09316 - N1433 W09159 - N1458 W09137 MOV W 25KT
FCST VA CLD +6HR: 14/1530Z SFC/FL180 N1510 W09201 - N1431 W09052 - N1423 W09050 - N1408 W09305 - N1447 W09355 - N1510 W09201
FCST VA CLD +12HR: 14/2130Z SFC/FL180 N1431 W09054 - N1425 W09052 - N1349 W09259 - N1413 W09308 - N1431 W09054
FCST VA CLD +18HR: 15/0330Z SFC/FL180 N1431 W09052 - N1424 W09051 - N1348 W09259 - N1413 W09308 - N1431 W09052
RMK: CONS VA EMS OBS IN STLT IMG UP TO APPRX
140NM FM SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN WSW TO SW MOVMT THRU T+18. HGT
BASED ON WEBCAM, MOVMT, AND NWP MDLS. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260814/1545Z
Volcanic Ash Advisory issued on 2026-08-14 at 05:32 UTC.

    Key information extracted from original VAA message :


  • Fqnt volcanic ash emission observation.
  • Fqnt volcanic ash emission observation in satellite img up to apprx 115nm from summit. Volcanic ash emission seen in webcam. Nwp model guidance forecast general w to southwest movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 05:34 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/0532Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/947
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQNT VA EMS OBS
OBS VA DTG: 14/0450Z
OBS VA CLD: SFC/FL150 N1434 W09205 - N1429 W09053 - N1426 W09053 - N1422 W09149 - N1414 W09250 - N1423 W09252 - N1434 W09205 MOV SW 25KT
FCST VA CLD +6HR: 14/1100Z SFC/FL150 N1439 W09307 - N1431 W09052 - N1425 W09052 - N1359 W09328 - N1439 W09307
FCST VA CLD +12HR: 14/1700Z SFC/FL150 N1431 W09052 - N1425 W09050 - N1349 W09255 - N1406 W09300 - N1431 W09052
FCST VA CLD +18HR: 14/2300Z SFC/FL150 N1431 W09052 - N1425 W09051 - N1352 W09256 - N1414 W09300 - N1431 W09052
RMK: FQNT VA EMS OBS IN STLT IMG UP TO APPRX
115NM FM SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN W TO SW MOVMT THRU T+18.
...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260814/1130Z
Volcanic Ash Advisory issued on 2026-08-14 at 03:32 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img up to apprx 73nm from summit. Volume incandescence seen in webcam. Nwp model guidance forecast general southwest movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 03:34 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/0332Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/946
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 14/0300Z
OBS VA CLD: SFC/FL150 N1429 W09053 - N1426 W09052 - N1411 W09206 - N1419 W09207 - N1429 W09053 MOV SW 20KT
FCST VA CLD +6HR: 14/0900Z SFC/FL150 N1430 W09052 - N1426 W09052 - N1404 W09240 - N1420 W09243 - N1430 W09052
FCST VA CLD +12HR: 14/1500Z SFC/FL150 N1431 W09053 - N1425 W09052 - N1417 W09149 - N1426 W09151 - N1431 W09053
FCST VA CLD +18HR: 14/2100Z SFC/FL150 N1430 W09054 - N1426 W09052 - N1406 W09143 - N1416 W09146 - N1430 W09054
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 73NM FM
SUMMIT. VOL INCANDESCENCE SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN SW MOVMT THRU T+18. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260814/0930Z
Volcanic Ash Advisory issued on 2026-08-13 at 23:28 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving w of summit to pacific coast. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 23:30 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/2328Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/945
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 13/2300Z
OBS VA CLD: SFC/FL150 N1435 W09226 - N1428 W09053 - N1428 W09052 - N1423 W09226 - N1435 W09226 MOV W 15KT
FCST VA CLD +6HR: 14/0500Z SFC/FL150 N1435 W09211 - N1428 W09052 - N1428 W09053 - N1424 W09210 - N1435 W09211
FCST VA CLD +12HR: 14/1100Z SFC/FL150 N1435 W09153 - N1428 W09053 - N1427 W09053 - N1422 W09153 - N1435 W09153
FCST VA CLD +18HR: 14/1700Z SFC/FL150 N1434 W09134 - N1428 W09053 - N1428 W09053 - N1424 W09134 - N1434 W09134
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT TO
PACIFIC COAST. NO CHG FCST TO MDL WINDS AT FL NXT
18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260814/0530Z
Volcanic Ash Advisory issued on 2026-08-13 at 17:23 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite currently aprox 125 nm southwest of summit over open pacific. Webcam shows frequent strong volcanic ash emission. Model winds at forecast to veer by t+18 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 17:27 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/1723Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/944
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 13/1700Z
OBS VA CLD: SFC/FL150 N1428 W09054 - N1427 W09053 - N1341 W09244 - N1402 W09253 - N1428 W09054 MOV SW 15KT
FCST VA CLD +6HR: 13/2300Z SFC/FL150 N1428 W09053 - N1428 W09053 - N1359 W09159 - N1413 W09204 - N1428 W09053
FCST VA CLD +12HR: 14/0500Z SFC/FL150 N1429 W09053 - N1428 W09053 - N1411 W09129 - N1423 W09135 - N1429 W09053
FCST VA CLD +18HR: 14/1100Z SFC/FL150 N1435 W09136 - N1429 W09053 - N1428 W09052 - N1423 W09136 - N1435 W09136
RMK: VA DETECTED ON STLT CURRENTLY APROX 125 NM
SW OF SUMMIT OVR OPEN PACIFIC. WEBCAM SHOWS FQT
STG VA EMS. MDL WINDS AT FL FCST TO VEER BY
T+18 HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260813/2330Z
Volcanic Ash Advisory issued on 2026-08-13 at 11:23 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue.
  • Volcanic ash emission observation on satellite dispersing general southwest apprx 75 nm from summit. Webcam shows continuous plume from summit. Nwp models suggest general southwest to wsw mvmt through t+18. Evans.

Original Message :

Received FVXX20 at 11:27 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/1123Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/943
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS CONT
OBS VA DTG: 13/1100Z
OBS VA CLD: SFC/FL160 N1433 W09110 - N1429 W09052 - N1426 W09050 - N1350 W09153 - N1421 W09214 - N1433 W09110 MOV SW 10KT
FCST VA CLD +6HR: 13/1700Z SFC/FL160 N1430 W09052 - N1426 W09050 - N1340 W09234 - N1418 W09244 - N1430 W09052
FCST VA CLD +12HR: 13/2300Z SFC/FL160 N1430 W09053 - N1426 W09051 - N1359 W09204 - N1422 W09211 - N1430 W09053
FCST VA CLD +18HR: 14/0500Z SFC/FL160 N1430 W09052 - N1426 W09050 - N1404 W09207 - N1425 W09210 - N1430 W09052
RMK: VA EMS OBS ON STLT DISPERSING GEN SW APPRX
75 NM FM SUMMIT. WEBCAM SHOWS CONS PLUME FM
SUMMIT. NWP MDLS SUG GEN SW TO WSW MVMT THRU
T+18. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260813/1730Z
Volcanic Ash Advisory issued on 2026-08-13 at 08:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img up to apprx 50nm from summit. Volcanic ash emission seen in webcam. Nwp model guidance forecast general wsw to southwest movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 08:02 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/0800Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/942
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 13/0730Z
OBS VA CLD: SFC/FL160 N1440 W09131 - N1428 W09053 - N1426 W09052 - N1417 W09120 - N1431 W09144 - N1440 W09131 MOV SW 10KT
FCST VA CLD +6HR: 13/1330Z SFC/FL160 N1443 W09152 - N1429 W09053 - N1426 W09052 - N1413 W09149 - N1443 W09152
FCST VA CLD +12HR: 13/1930Z SFC/FL160 N1429 W09053 - N1426 W09052 - N1407 W09144 - N1419 W09149 - N1429 W09053
FCST VA CLD +18HR: 14/0130Z SFC/FL160 N1429 W09053 - N1426 W09052 - N1406 W09145 - N1419 W09149 - N1429 W09053
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 50NM FM
SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE
FCSTS GEN WSW TO SW MOVMT THRU T+18. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260813/1400Z
Volcanic Ash Advisory issued on 2026-08-13 at 04:10 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img fanning out to the southwest up to apprx 27nm from summit. Volcanic ash emission seen in webcam. Nwp model guidance forecast general southwest movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 04:12 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/0410Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/941
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 13/0340Z
OBS VA CLD: SFC/FL160 N1432 W09113 - N1429 W09053 - N1426 W09053 - N1421 W09120 - N1432 W09113 MOV SW 15KT
FCST VA CLD +6HR: 13/0930Z SFC/FL160 N1429 W09052 - N1427 W09052 - N1417 W09129 - N1428 W09130 - N1429 W09052
FCST VA CLD +12HR: 13/1530Z SFC/FL160 N1429 W09052 - N1426 W09052 - N1413 W09126 - N1421 W09129 - N1429 W09052
FCST VA CLD +18HR: 13/2130Z SFC/FL160 N1430 W09052 - N1426 W09052 - N1415 W09128 - N1424 W09130 - N1430 W09052
RMK: VA EMS OBS IN STLT IMG FANNING OUT TO THE SW
UP TO APPRX 27NM FM SUMMIT. VA EMS SEEN IN
WEBCAM. NWP MDL GUIDANCE FCSTS GEN SW MOVMT THRU
T+18. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260813/1015Z
Volcanic Ash Advisory issued on 2026-08-12 at 22:55 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not observation in satellite img due to meteorological cloud cover. Volcanic ash emission likely continue. Model winds suggest w mvmt to shift wsw by t+18. Gatling.

Original Message :

Received FVXX20 at 22:57 UTC, 12/08/26 from KNES
VA ADVISORY
DTG: 20260812/2255Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/940
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 12/2220Z
EST VA CLD: SFC/FL160 N1428 W09052 - N1428 W09052 - N1425 W09101 - N1428 W09101 - N1428 W09052 MOV W 5KT
FCST VA CLD +6HR: 13/0430Z SFC/FL160 N1430 W09101 - N1428 W09053 - N1428 W09052 - N1427 W09101 - N1430 W09101
FCST VA CLD +12HR: 13/1030Z SFC/FL160 N1428 W09052 - N1428 W09052 - N1425 W09101 - N1428 W09101 - N1428 W09052
FCST VA CLD +18HR: 13/1630Z SFC/FL160 N1428 W09052 - N1428 W09052 - N1424 W09059 - N1426 W09101 - N1428 W09052
RMK: VA NOT OBS IN STLT IMG DUE TO MET CLD CVR.
VA EMS LIKELY CONT. MDL WINDS SUG W MVMT TO SHIFT
WSW BY T+18. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260813/0500Z
Volcanic Ash Advisory issued on 2026-08-12 at 16:55 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 15nm nw from summit. Mvmt exp to shift wsw by t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 16:57 UTC, 12/08/26 from KNES
VA ADVISORY
DTG: 20260812/1655Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/939
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 12/1620Z
OBS VA CLD: SFC/FL160 N1438 W09101 - N1428 W09052 - N1428 W09052 - N1435 W09104 - N1438 W09101 MOV NW 5KT
FCST VA CLD +6HR: 12/2230Z SFC/FL160 N1437 W09102 - N1428 W09052 - N1428 W09052 - N1435 W09104 - N1437 W09102
FCST VA CLD +12HR: 13/0430Z SFC/FL160 N1441 W09059 - N1428 W09052 - N1428 W09053 - N1439 W09102 - N1441 W09059
FCST VA CLD +18HR: 13/1030Z SFC/FL160 N1428 W09052 - N1428 W09052 - N1424 W09106 - N1427 W09107 - N1428 W09052
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
15NM NW FM SUMMIT. MVMT EXP TO SHIFT WSW BY T+18.
FCST BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260812/2300Z
Volcanic Ash Advisory issued on 2026-08-12 at 10:59 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Occasional volcanic ash emission obsd by webcam with one at 09:93 UTC.

Original Message :

Received FVXX20 at 11:01 UTC, 12/08/26 from KNES
VA ADVISORY
DTG: 20260812/1059Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/938
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 12/1030Z
OBS VA CLD: SFC/FL160 N1446 W09058 - N1428 W09052 - N1428 W09053 - N1444 W09104 - N1446 W09058 MOV NW 10KT
FCST VA CLD +6HR: 12/1630Z SFC/FL160 N1445 W09055 - N1428 W09052 - N1428 W09053 - N1442 W09101 - N1445 W09055
FCST VA CLD +12HR: 12/2230Z SFC/FL160 N1428 W09052 - N1427 W09052 - N1416 W09105 - N1423 W09110 - N1428 W09052
FCST VA CLD +18HR: 13/0430Z SFC/FL160 N1437 W09107 - N1428 W09052 - N1427 W09052 - N1430 W09109 - N1437 W09107
RMK: OCNL VA EMS OBSD BY WEBCAM WITH ONE AT 0930Z
OBSD BY STLT MOVG NNW. NWP MDLS SUG LGT WINDS
MOVG VA NNW THRU T+6 THEN SW BY T+12 AND WNW BY
T+18. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20260812/1700Z
Volcanic Ash Advisory issued on 2026-08-12 at 04:53 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash emission not observation in satellite img due to heavy meteorological cloud cover. Ongoing volcanic ash emission seen in webcam. Nwp model guidance forecast general wnw to w movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 04:55 UTC, 12/08/26 from KNES
VA ADVISORY
DTG: 20260812/0453Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/937
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 12/0420Z
EST VA CLD: SFC/FL160 N1434 W09104 - N1429 W09052 - N1427 W09053 - N1431 W09105 - N1434 W09104 MOV NW 10KT
FCST VA CLD +6HR: 12/1030Z SFC/FL160 N1441 W09110 - N1429 W09052 - N1426 W09053 - N1436 W09114 - N1441 W09110
FCST VA CLD +12HR: 12/1630Z SFC/FL160 N1440 W09113 - N1429 W09052 - N1426 W09052 - N1433 W09114 - N1440 W09113
FCST VA CLD +18HR: 12/2230Z SFC/FL160 N1432 W09105 - N1429 W09051 - N1426 W09052 - N1426 W09106 - N1432 W09105
RMK: VA EMS NOT OBS IN STLT IMG DUE TO HVY MET
CLD CVR. ONGOING VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN WNW TO W MOVMT THRU T+18.
...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260812/1100Z
Volcanic Ash Advisory issued on 2026-08-11 at 22:53 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash not currently observation in satellite due to meteorological cloud.

Original Message :

Received FVXX20 at 22:55 UTC, 11/08/26 from KNES
VA ADVISORY
DTG: 20260811/2253Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/936
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
EST VA DTG: 11/2230Z
EST VA CLD: SFC/FL160 N1437 W09116 - N1429 W09052 - N1428 W09052 - N1429 W09118 - N1437 W09116 MOV W 15KT
FCST VA CLD +6HR: 12/0430Z SFC/FL160 N1449 W09113 - N1429 W09052 - N1428 W09053 - N1439 W09118 - N1449 W09113
FCST VA CLD +12HR: 12/1030Z SFC/FL160 N1452 W09110 - N1429 W09052 - N1428 W09053 - N1444 W09117 - N1452 W09110
FCST VA CLD +18HR: 12/1630Z SFC/FL160 N1452 W09110 - N1429 W09052 - N1428 W09053 - N1443 W09117 - N1452 W09110
RMK: VA NOT CURRENTLY OBS IN SAT DUE TO MET CLD
OBSCN OF SUMMIT. WEBCAM SHOWS RECENT VA EM. OBS
VA AREA ESTD FM RECENT VA EM AND NWP MDLS. FL
MVMT FCST TO TURN TO NW BY T+6 HRS THEN PERSIST
NW THRU T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260812/0500Z
Volcanic Ash Advisory issued on 2026-08-11 at 17:15 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Windshift now moving volcanic ash to 60nmi wsw of summit. Rcnt volcanic ash near summit moving nw to wsw. Nwp models forecast winds to gradually veer through t+18. Butler.

Original Message :

Received FVXX20 at 17:19 UTC, 11/08/26 from KNES
VA ADVISORY
DTG: 20260811/1715Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/935
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS.
OBS VA DTG: 11/1650Z
OBS VA CLD: SFC/FL160 N1439 W09104 - N1428 W09052 - N1427 W09051 - N1414 W09153 - N1437 W09211 - N1439 W09104 MOV W 20KT
FCST VA CLD +6HR: 11/2300Z SFC/FL160 N1434 W09210 - N1431 W09054 - N1428 W09054 - N1428 W09053 - N1417 W09158 - N1434 W09210
FCST VA CLD +12HR: 12/0500Z SFC/FL160 N1441 W09211 - N1429 W09054 - N1430 W09053 - N1427 W09053 - N1421 W09205 - N1441 W09211
FCST VA CLD +18HR: 12/1100Z SFC/FL160 N1500 W09208 - N1427 W09053 - N1430 W09055 - N1427 W09055 - N1441 W09208 - N1500 W09208
RMK: WSHFT NOW MOVG VA TO 60NMI WSW OF SUMMIT.
RCNT VA NEAR SUMMIT MOVG NW TO WSW. NWP MDLS FCST
WINDS TO GRADUALLY VEER THRU T+18. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260811/2315Z
Volcanic Ash Advisory issued on 2026-08-11 at 13:44 UTC.

    Key information extracted from original VAA message :


  • Frqt discrete volcanic ash emission.
  • Volcanic ash cloud obsd by satellite extending 25-30 nmi wnw from the summit. Frqt volcanic ash emission obsd by webcam. Nwp models and webcam estimate at flight level 160 (4800m) nwp models forecast slight veering of wind through t+18hrs. Hosley.

Original Message :

Received FVXX20 at 13:46 UTC, 11/08/26 from KNES
VA ADVISORY
DTG: 20260811/1344Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/934
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT DISCRETE VA EMS.
OBS VA DTG: 11/1320Z
OBS VA CLD: SFC/FL160 N1443 W09113 - N1428 W09052 - N1427 W09053 - N1434 W09121 - N1443 W09113 MOV W 15KT
FCST VA CLD +6HR: 11/1930Z SFC/FL160 N1448 W09117 - N1428 W09052 - N1427 W09052 - N1439 W09123 - N1448 W09117
FCST VA CLD +12HR: 12/0130Z SFC/FL160 N1453 W09113 - N1428 W09052 - N1427 W09052 - N1444 W09120 - N1453 W09113
FCST VA CLD +18HR: 12/0730Z SFC/FL160 N1453 W09114 - N1428 W09052 - N1427 W09053 - N1444 W09121 - N1453 W09114
RMK: VA CLD OBSD BY STLT EXTDG 25-30 NMI WNW FM
THE SUMMIT. FRQT VA EMS OBSD BY WEBCAM. NWP MDLS
AND WEBCAM EST FL AT FL160. NWP MDLS FCST SLGT
VEERING OF WIND THRU T+18HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20260811/1945Z
Volcanic Ash Advisory issued on 2026-08-11 at 07:39 UTC.

    Key information extracted from original VAA message :


  • Fqnt volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img up to apprx 180nm from summit. Fqnt volcanic ash emission seen in webcam. Nwp model guidance forecast general wnw movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 07:41 UTC, 11/08/26 from KNES
VA ADVISORY
DTG: 20260811/0739Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/933
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQNT VA EMS OBS
OBS VA DTG: 11/0710Z
OBS VA CLD: SFC/FL150 N1510 W09236 - N1429 W09053 - N1423 W09053 - N1417 W09116 - N1428 W09200 - N1442 W09231 - N1340 W09346 - N1349 W09358 - N1510 W09236 MOV W 20KT
FCST VA CLD +6HR: 11/1300Z SFC/FL150 N1550 W09326 - N1431 W09052 - N1420 W09055 - N1423 W09445 - N1550 W09326
FCST VA CLD +12HR: 11/1900Z SFC/FL150 N1555 W09318 - N1432 W09052 - N1422 W09055 - N1526 W09337 - N1555 W09318
FCST VA CLD +18HR: 12/0100Z SFC/FL150 N1524 W09234 - N1430 W09051 - N1422 W09054 - N1503 W09245 - N1524 W09234
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 180NM FM
SUMMIT. FQNT VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN WNW MOVMT THRU T+18.
...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260811/1345Z
Volcanic Ash Advisory issued on 2026-08-11 at 01:39 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission observation.
  • Continuous volcanic ash emission observation in satellite img up to apprx 180nm from summit. Fqnt volcanic ash emission seen in webcam. Nwp model guidance forecast veering movement to the nw by t+18. Monaghan.

Original Message :

Received FVXX20 at 01:41 UTC, 11/08/26 from KNES
VA ADVISORY
DTG: 20260811/0139Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/932
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBS
OBS VA DTG: 11/0110Z
OBS VA CLD: SFC/FL150 N1431 W09053 - N1426 W09052 - N1406 W09206 - N1323 W09346 - N1337 W09352 - N1422 W09204 - N1431 W09053 MOV SW 15KT
FCST VA CLD +6HR: 11/0700Z SFC/FL150 N1458 W09407 - N1432 W09054 - N1423 W09052 - N1325 W09455 - N1458 W09407
FCST VA CLD +12HR: 11/1300Z SFC/FL150 N1533 W09339 - N1432 W09052 - N1424 W09052 - N1501 W09348 - N1533 W09339
FCST VA CLD +18HR: 11/1900Z SFC/FL150 N1551 W09326 - N1432 W09051 - N1423 W09052 - N1521 W09340 - N1551 W09326
RMK: CONS VA EMS OBS IN STLT IMG UP TO APPRX
180NM FM SUMMIT. FQNT VA EMS SEEN IN WEBCAM. NWP
MDL GUIDANCE FCSTS VEERING MOVMT TO THE NW BY
T+18. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260811/0745Z
Volcanic Ash Advisory issued on 2026-08-10 at 21:58 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash emission plume observation in satellite ext at least 100 nm southwest from summit. Observation volcanic ash estd from nwp mvmt forecast to turn to nw through t+18 hours. Clark.

Original Message :

Received FVXX20 at 22:00 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/2158Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/931
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 10/2130Z
OBS VA CLD: SFC/FL150 N1431 W09053 - N1428 W09051 - N1331 W09225 - N1352 W09237 - N1431 W09053 MOV SW 15KT
FCST VA CLD +6HR: 11/0330Z SFC/FL150 N1438 W09240 - N1431 W09052 - N1428 W09052 - N1415 W09240 - N1438 W09240
FCST VA CLD +12HR: 11/0930Z SFC/FL150 N1449 W09239 - N1430 W09052 - N1428 W09052 - N1425 W09240 - N1449 W09239
FCST VA CLD +18HR: 11/1530Z SFC/FL150 N1513 W09230 - N1431 W09052 - N1428 W09053 - N1450 W09238 - N1513 W09230
RMK: VA EMS PLUME OBS IN SAT EXT AT LEAST 100 NM
SW FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT
FCST TO TURN TO NW THRU T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260811/0400Z
Volcanic Ash Advisory issued on 2026-08-10 at 19:06 UTC.

    Key information extracted from original VAA message :


  • Continuing observation volcanic ash emission.
  • Continuing volcanic ash emission observation in satellite ext up to 65 nm wsw from summit. Observation volcanic ash estd from nwp models and prev vaa. Mvmt forecast to gradually turn to ene through t+18 hours. Clark.

Original Message :

Received FVXX20 at 19:10 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/1906Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/930
INFO SOURCE: GOES-19. WEBCAM.
ERUPTION DETAILS: CONTG OBS VA EMS.
OBS VA DTG: 10/1840Z
OBS VA CLD: SFC/FL140 N1434 W09201 - N1431 W09052 - N1427 W09053 - N1413 W09157 - N1434 W09201 MOV W 15KT
FCST VA CLD +6HR: 11/0030Z SFC/FL140 N1434 W09204 - N1431 W09054 - N1428 W09050 - N1411 W09159 - N1434 W09204
FCST VA CLD +12HR: 11/0630Z SFC/FL140 N1444 W09209 - N1431 W09052 - N1428 W09052 - N1419 W09207 - N1444 W09209
FCST VA CLD +18HR: 11/1230Z SFC/FL140 N1500 W09206 - N1431 W09051 - N1428 W09052 - N1423 W09213 - N1500 W09206
RMK: CONTG VA EMS OBS IN SAT EXT UP TO 65 NM WSW
FM SUMMIT. OBS VA FL ESTD FM NWP MDLS AND PREV
VAA. FL MVMT FCST TO GRADUALLY TURN TO ENE THRU
T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260811/0100Z
Volcanic Ash Advisory issued on 2026-08-10 at 13:09 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 13:11 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/1309Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/929
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 10/1240Z
OBS VA CLD: SFC/FL140 N1447 W09237 - N1428 W09052 - N1410 W09227 - N1447 W09237 MOV W 15KT
FCST VA CLD +6HR: 10/1830Z SFC/FL140 N1453 W09229 - N1428 W09052 - N1420 W09219 - N1453 W09229
FCST VA CLD +12HR: 11/0030Z SFC/FL140 N1458 W09227 - N1428 W09052 - N1422 W09223 - N1458 W09227
FCST VA CLD +18HR: 11/0630Z SFC/FL140 N1459 W09223 - N1428 W09052 - N1423 W09225 - N1459 W09223
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260810/1915Z
Volcanic Ash Advisory issued on 2026-08-10 at 07:08 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash plume observation on satellite extending at least 50 nm wsw from summit. Further volcanic ash may be obscure by weather cloud. A general w to wsw mvmt exp through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 07:11 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/0708Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/928
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 10/0630Z
OBS VA CLD: SFC/FL140 N1430 W09052 - N1427 W09052 - N1408 W09144 - N1422 W09148 - N1430 W09052 MOV W 15KT
FCST VA CLD +6HR: 10/1230Z SFC/FL140 N1431 W09201 - N1429 W09052 - N1426 W09052 - N1413 W09158 - N1431 W09201
FCST VA CLD +12HR: 10/1830Z SFC/FL140 N1429 W09052 - N1427 W09052 - N1410 W09149 - N1424 W09152 - N1429 W09052
FCST VA CLD +18HR: 11/0030Z SFC/FL140 N1429 W09052 - N1427 W09052 - N1410 W09129 - N1423 W09134 - N1429 W09052
RMK: VA PLUME OBS ON STLT EXTENDING AT LEAST 50
NM WSW FM SUMMIT. FURTHER VA MAY BE OBSC BY WX
CLD. A GEN W TO WSW MVMT EXP THRU T+18 ACCORDING
TO NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260810/1315Z
Volcanic Ash Advisory issued on 2026-08-10 at 01:16 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite dispersing southwest to flight level 130 (3900m) and nw to apprx flight level 160 (4800m) webcam show occasional higher plume mvg nw while continuous light plume and perhaps re-suspended volcanic ash also observation emanating from just above summit mvg southwest. Nwp models suggest little change in mvmt from both through t+18. Evans.

Original Message :

Received FVXX20 at 01:19 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/0116Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/927
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 10/0040Z
OBS VA CLD: SFC/FL130 N1429 W09052 - N1427 W09051 - N1406 W09128 - N1425 W09134 - N1429 W09052 MOV SW 15KT SFC/FL160 N1443 W09102 - N1428 W09051 - N1426 W09052 - N1435 W09110 - N1443 W09102 MOV NW 10KT
FCST VA CLD +6HR: 10/0630Z SFC/FL130 N1429 W09052 - N1427 W09052 - N1353 W09158 - N1415 W09205 - N1429 W09052 SFC/FL160 N1448 W09108 - N1429 W09051 - N1427 W09052 - N1439 W09117 - N1448 W09108
FCST VA CLD +12HR: 10/1230Z SFC/FL130 N1429 W09052 - N1427 W09052 - N1407 W09147 - N1423 W09152 - N1429 W09052 SFC/FL160 NO VA EXP
FCST VA CLD +18HR: 10/1830Z SFC/FL130 N1429 W09052 - N1427 W09051 - N1402 W09135 - N1416 W09141 - N1429 W09052
RMK: VA EMS OBS ON STLT DISPERSING SW TO FL130
AND NW TO APPRX FL160. WEBCAM SHOW OCNL HIGHER
PLUME MVG NW WHILE CONS LGT PLUME AND PERHAPS
RE-SUSPENDED VA ALSO OBS EMANATING FM JUST ABOVE
SUMMIT MVG SW. NWP MDLS SUG LTLCG IN MVMT FM BOTH
FL THRU T+18. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260810/0715Z
Volcanic Ash Advisory issued on 2026-08-09 at 22:41 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash em.
  • Volcanic ash em observation earlier in webcam. Volcanic ash also observation in satellite img moving wsw at apx 15 nmi from summit. Exp continue wsw movement through t+18 hours. And forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 22:43 UTC, 09/08/26 from KNES
VA ADVISORY
DTG: 20260809/2241Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/926
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM
OBS VA DTG: 09/2210Z
OBS VA CLD: SFC/FL130 N1429 W09053 - N1428 W09052 - N1417 W09106 - N1422 W09111 - N1429 W09053 MOV SW 10KT
FCST VA CLD +6HR: 10/0400Z SFC/FL130 N1429 W09053 - N1427 W09052 - N1415 W09115 - N1423 W09119 - N1429 W09053
FCST VA CLD +12HR: 10/1000Z SFC/FL130 N1429 W09053 - N1427 W09052 - N1415 W09116 - N1423 W09121 - N1429 W09053
FCST VA CLD +18HR: 10/1600Z SFC/FL130 N1429 W09053 - N1428 W09052 - N1417 W09117 - N1426 W09119 - N1429 W09053
RMK: VA EM OBS EARLIER IN WEBCAM. VA ALSO OBS IN
STLT IMG MOVING WSW AT APX 15 NMI FM SUMMIT. EXP
CONT WSW MOVEMENT THRU T+18 HRS. FL AND FCST BSD
ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260810/0445Z
Volcanic Ash Advisory issued on 2026-08-09 at 16:46 UTC.

    Key information extracted from original VAA message :


  • Frequent small volcanic ash em.
  • Volcanic ash em observation in webcam tho not observation in satellite img due to meteorological cloud cover in summit area. Exp movement shift from wnw to w through t+18 hours. Bsd on past activity. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 16:48 UTC, 09/08/26 from KNES
VA ADVISORY
DTG: 20260809/1646Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/925
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQT SMALL VA EM
EST VA DTG: 09/1620Z
EST VA CLD: SFC/FL150 N1440 W09111 - N1428 W09052 - N1426 W09052 - N1434 W09114 - N1440 09111 MOV NW 200KT
FCST VA CLD +6HR: 09/2230Z SFC/FL150 N1436 W09114 - N1428 W09052 - N1426 W09052 - N1430 W09116 - N1436 W09114
FCST VA CLD +12HR: 10/0430Z SFC/FL150 N1429 W09116 - N1429 W09052 - N1427 W09052 - N1424 W09115 - N1429 W09116
FCST VA CLD +18HR: 10/1030Z SFC/FL150 N1428 W09052 - N1426 W09052 - N1420 W09114 - N1427 W09115 - N1428 W09052
RMK: VA EM OBS IN WEBCAM THO NOT OBS IN STLT IMG
DUE TO MET CLD CVR IN SUMMIT AREA. EXP MOVEMENT
SHIFT FM WNW TO W THRU T+18 HRS. FL BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260809/2245ZA
Volcanic Ash Advisory issued on 2026-08-09 at 10:53 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash emission not observation in satellite img due to heavy meteorological cloud cover. Intermittent volcanic ash emission seen in webcam. Nwp model guidance forecast backing movement to the southwest by t+18. Height based on webcam. Monaghan.

Original Message :

Received FVXX20 at 10:55 UTC, 09/08/26 from KNES
VA ADVISORY
DTG: 20260809/1053Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/924
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 09/1020Z
EST VA CLD: SFC/FL150 N1435 W09104 - N1430 W09051 - N1426 W09053 - N1430 W09105 - N1435 W09104 MOV NW 20KT
FCST VA CLD +6HR: 09/1630Z SFC/FL150 N1439 W09116 - N1430 W09051 - N1425 W09052 - N1432 W09118 - N1439 W09116
FCST VA CLD +12HR: 09/2230Z SFC/FL150 N1435 W09119 - N1431 W09051 - N1425 W09052 - N1427 W09120 - N1435 W09119
FCST VA CLD +18HR: 10/0430Z SFC/FL150 N1431 W09052 - N1426 W09051 - N1419 W09118 - N1427 W09120 - N1431 W09052
RMK: VA EMS NOT OBS IN STLT IMG DUE TO HVY MET
CLD CVR. INTMT VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS BACKING MOVMT TO THE SW BY T+18.
HGT BASED ON WEBCAM. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260809/1700Z
Volcanic Ash Advisory issued on 2026-08-09 at 04:53 UTC.

    Key information extracted from original VAA message :


  • Likely volcanic ash emission.
  • Volcanic ash not observation on satellite or webcam due to weather clouds but emission may continue wnw from summit. Little change in volcanic ash mvmt exp through t+12 according to nwp. Evans.

Original Message :

Received FVXX20 at 04:56 UTC, 09/08/26 from KNES
VA ADVISORY
DTG: 20260809/0453Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/923
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: LIKELY VA EMS
EST VA DTG: 09/0420Z
EST VA CLD: SFC/FL140 N1434 W09059 - N1428 W09052 - N1426 W09052 - N1427 W09102 - N1434 W09059 MOV W 20KT
FCST VA CLD +6HR: 09/1030Z SFC/FL140 N1438 W09108 - N1429 W09052 - N1427 W09052 - N1431 W09112 - N1438 W09108
FCST VA CLD +12HR: 09/1630Z SFC/FL140 N1437 W09108 - N1429 W09052 - N1427 W09052 - N1429 W09111 - N1437 W09108
FCST VA CLD +18HR: 09/2230Z NO VA EXP
RMK: VA NOT OBS ON STLT OR WEBCAM DUE TO WX CLDS
BUT EMS MAY CONT WNW FM SUMMIT. LTLCG IN VA MVMT
EXP THRU T+12 ACCORDING TO NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260809/1100Z
Volcanic Ash Advisory issued on 2026-08-08 at 23:05 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash em.
  • Volcanic ash em not observation in satellite img due to meteorological cloud cover in summit area. Exp movement shift from w to wnw through t+12 hours. And present volcanic ash bsd on past activity. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 23:07 UTC, 08/08/26 from KNES
VA ADVISORY
DTG: 20260808/2305Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/922
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL ONGOING VA EM
EST VA DTG: 08/2330Z
EST VA CLD: SFC/FL130 N1429 W09112 - N1428 W09052 - N1427 W09052 - N1422 W09111 - N1429 W09112 MOV W 10KT
FCST VA CLD +6HR: 09/0530Z SFC/FL130 N1428 W09052 - N1427 W09052 - N1422 W09116 - N1428 W09117 - N1428 W09052
FCST VA CLD +12HR: 09/1130Z SFC/FL130 N1438 W09115 - N1428 W09052 - N1426 W09053 - N1432 W09117 - N1438 W09115
FCST VA CLD +18HR: 09/1730Z NO VA EXP
RMK: VA EM NOT OBS IN STLT IMG DUE TO MET CLD CVR
IN SUMMIT AREA. EXP MOVEMENT SHIFT FM W TO WNW
THRU T+12 HRS. FL AND PRESENT VA BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260809/0500Z
Volcanic Ash Advisory issued on 2026-08-08 at 17:08 UTC.

    Key information extracted from original VAA message :


  • Frequent small volcanic ash em.
  • Volcanic ash em observation in webcam and in satellite img moving w and wnw from summit. Exp slight var winds with movement to general w through t+18 hours. And forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 17:11 UTC, 08/08/26 from KNES
VA ADVISORY
DTG: 20260808/1708Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/921
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQT SMALL VA EM
OBS VA DTG: 08/1630Z
OBS VA CLD: SFC/FL130 N1434 W09111 - N1428 W09053 - N1426 W09052 - N1426 W09112 - N1434 W09111 MOV W 15KT
FCST VA CLD +6HR: 08/2230Z SFC/FL130 N1430 W09119 - N1429 W09052 - N1426 W09052 - N1422 W09118 - N1430 W09119
FCST VA CLD +12HR: 09/0430Z SFC/FL130 N1428 W09053 - N1426 W09051 - N1417 W09116 - N1426 W09119 - N1428 W09053
FCST VA CLD +18HR: 09/1030Z SFC/FL130 N1437 W09117 - N1428 W09052 - N1426 W09052 - N1427 W09119 - N1437 W09117
RMK: VA EM OBS IN WEBCAM AND IN STLT IMG MOVING W
AND WNW FM SUMMIT. EXP SLIGHT VAR WINDS WITH
MOVEMENT TO GEN W THRU T+18 HRS. FL AND FCST BSD
ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260808/2315Z
Volcanic Ash Advisory issued on 2026-08-08 at 11:16 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission observation.
  • Continue volcanic ash emission observation in webcam. Volcanic ash not observation in satellite imagery due to weather continue volcanic ash forecast to move w from summit through t+18hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 11:24 UTC, 08/08/26 from KNES
VA ADVISORY
DTG: 20260808/1116Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/920
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
EST VA DTG: 08/1040Z
EST VA CLD: SFC/FL140 N1445 W09122 - N1428 W09052 - N1433 W09123 - N1445 W09122 MOV W 15KT
FCST VA CLD +6HR: 08/1630Z SFC/FL140 N1447 W09124 - N1428 W09053 - N1434 W09126 - N1447 W09124
FCST VA CLD +12HR: 08/2230Z SFC/FL140 N1449 W09126 - N1428 W09052 - N1435 W09128 - N1449 W09126
FCST VA CLD +18HR: 09/0430Z SFC/FL140 N1450 W09127 - N1428 W09052 - N1435 W09129 - N1450 W09127
RMK: CONT VA EMS OBS IN WEBCAM. VA NOT OBS IN
STLT IMAGERY DUE TO WX CLDS. CONT VA FCST TO MOV
W FM SUMMIT THRU T+18HRS BEFORE DISP. VO ACT LOW.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260808/1715Z
Volcanic Ash Advisory issued on 2026-08-08 at 05:38 UTC.

    Key information extracted from original VAA message :


  • Intermittent volcanic ash emission.
  • Occasional volcanic ash emission observation in webcam but satellite imagery is obscured by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 05:41 UTC, 08/08/26 from KNES
VA ADVISORY
DTG: 20260808/0538Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/919
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: INTMT VA EMS
EST VA DTG: 08/0500Z
EST VA CLD: SFC/FL140 N1434 W09111 - N1429 W09052 - N1427 W09052 - N1424 W09111 - N1434 W09111 MOV W 15KT
FCST VA CLD +6HR: 08/1100Z SFC/FL140 N1441 W09111 - N1429 W09052 - N1426 W09053 - N1428 W09114 - N1441 W09111
FCST VA CLD +12HR: 08/1700Z SFC/FL140 N1441 W09111 - N1429 W09052 - N1426 W09053 - N1428 W09115 - N1441 W09111
FCST VA CLD +18HR: 08/2300Z SFC/FL140 N1433 W09112 - N1429 W09052 - N1427 W09052 - N1421 W09109 - N1433 W09112
RMK: OCNL VA EMS OBS IN WEBCAM BUT STLT IMAGERY
IS OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED
ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260808/1145Z
Volcanic Ash Advisory issued on 2026-08-07 at 23:38 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em continue.
  • Light volcanic ash cloud obsd in satellite extg approximate 80 nm wsw from summit before obscure by meteorological cloud. Webcam obscure by meteorological cloud as well. Nwp model forecast e winds through t+18hrs. Zeng.

Original Message :

Received FVXX20 at 23:40 UTC, 07/08/26 from KNES
VA ADVISORY
DTG: 20260807/2338Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/918
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM CONT
OBS VA DTG: 07/2310Z
OBS VA CLD: SFC/FL130 N1429 W09052 - N1427 W09051 - N1353 W09202 - N1426 W09209 - N1429 W09052 MOV W 15KT
FCST VA CLD +6HR: 08/0500Z SFC/FL130 N1433 W09156 - N1429 W09052 - N1427 W09052 - N1405 W09155 - N1433 W09156
FCST VA CLD +12HR: 08/1100Z SFC/FL130 N1446 W09153 - N1428 W09051 - N1426 W09051 - N1420 W09156 - N1446 W09153
FCST VA CLD +18HR: 08/1700Z SFC/FL130 N1446 W09152 - N1429 W09053 - N1426 W09052 - N1421 W09153 - N1446 W09152
RMK: LGT VA CLD OBSD IN SAT EXTG APRX 80 NM WSW
FM SUMMIT BEFORE OBSC BY MET CLD. WEBCAM OBSC BY
MET CLD AS WELL. NWP MDL FCST E WINDS THRU
T+18HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20260808/0545Z
Volcanic Ash Advisory issued on 2026-08-07 at 17:58 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash em.
  • Continuous volcanic ash em obsd in satellite and volcanic ash plume extend approximate 80 nm w from summit. Nwp model forecast slightly veering through t+18hrs. Zeng.

Original Message :

Received FVXX20 at 18:00 UTC, 07/08/26 from KNES
VA ADVISORY
DTG: 20260807/1758Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/917
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EM
OBS VA DTG: 07/1750Z
OBS VA CLD: SFC/FL140 N1431 W09213 - N1430 W09054 - N1426 W09053 - N1419 W09213 - N1431 W09213 MOV W 20KT
FCST VA CLD +6HR: 08/0000Z SFC/FL140 N1441 W09210 - N1429 W09052 - N1426 W09052 - N1416 W09210 - N1441 W09210
FCST VA CLD +12HR: 08/0600Z SFC/FL140 N1443 W09156 - N1429 W09052 - N1426 W09052 - N1413 W09159 - N1443 W09156
FCST VA CLD +18HR: 08/1200Z SFC/FL140 N1502 W09147 - N1429 W09052 - N1426 W09053 - N1431 W09200 - N1502 W09147
RMK: CONS VA EM OBSD IN SAT AND VA PLUME EXTD
APRX 80 NM W FM SUMMIT. NWP MDL FCST SLIGHTLY
VEERING THRU T+18HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20260808/0000Z
Volcanic Ash Advisory issued on 2026-08-07 at 12:10 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 12:16 UTC, 07/08/26 from KNES
VA ADVISORY
DTG: 20260807/1210Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/916
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 07/1140Z
OBS VA CLD: SFC/FL140 N1449 W09154 - N1428 W09052 - N1426 W09156 - N1449 W09154 MOV W 20KT
FCST VA CLD +6HR: 07/1730Z SFC/FL140 N1444 W09157 - N1428 W09052 - N1419 W09156 - N1444 W09157
FCST VA CLD +12HR: 07/2330Z SFC/FL140 N1434 W09158 - N1428 W09052 - N1407 W09152 - N1434 W09158
FCST VA CLD +18HR: 08/0530Z SFC/FL140 N1439 W09159 - N1428 W09052 - N1413 W09157 - N1439 W09159
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260807/1815Z
Volcanic Ash Advisory issued on 2026-08-07 at 06:32 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. Volcanic ash emission likely continue recent activity. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 06:35 UTC, 07/08/26 from KNES
VA ADVISORY
DTG: 20260807/0632Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/915
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 07/0610Z
EST VA CLD: SFC/FL140 N1435 W09109 - N1428 W09052 - N1428 W09053 - N1428 W09110 - N1435 W09109 MOV W 20KT
FCST VA CLD +6HR: 07/1200Z SFC/FL140 N1435 W09110 - N1428 W09052 - N1428 W09053 - N1428 W09110 - N1435 W09110
FCST VA CLD +12HR: 07/1800Z SFC/FL140 N1435 W09110 - N1428 W09053 - N1428 W09053 - N1428 W09110 - N1435 W09110
FCST VA CLD +18HR: 08/0000Z SFC/FL140 N1435 W09109 - N1428 W09052 - N1428 W09053 - N1428 W09109 - N1435 W09109
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260807/1230Z
Volcanic Ash Advisory issued on 2026-08-07 at 00:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. Volcanic ash emission likely continue recent activity. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 00:52 UTC, 07/08/26 from KNES
VA ADVISORY
DTG: 20260807/0050Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/914
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 07/0020Z
EST VA CLD: SFC/FL140 N1434 W09105 - N1429 W09053 - N1428 W09053 - N1427 W09105 - N1434 W09105 MOV W 20KT
FCST VA CLD +6HR: 07/0630Z SFC/FL140 N1434 W09105 - N1428 W09053 - N1428 W09052 - N1427 W09105 - N1434 W09105
FCST VA CLD +12HR: 07/1230Z SFC/FL140 N1435 W09110 - N1428 W09053 - N1428 W09053 - N1427 W09110 - N1435 W09110
FCST VA CLD +18HR: 07/1830Z SFC/FL140 N1435 W09110 - N1428 W09053 - N1428 W09052 - N1427 W09110 - N1435 W09110
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260807/0645Z
Volcanic Ash Advisory issued on 2026-08-06 at 19:19 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Occasional volcanic ash emission observation in webcam but satellite imagery is obscured by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 19:22 UTC, 06/08/26 from KNES
VA ADVISORY
DTG: 20260806/1919Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/913
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS
EST VA DTG: 06/1850Z
EST VA CLD: SFC/FL140 N1434 W09103 - N1429 W09052 - N1428 W09052 - N1428 W09104 - N1434 W09103 MOV W 20KT
FCST VA CLD +6HR: 07/0100Z SFC/FL140 N1431 W09111 - N1429 W09052 - N1428 W09052 - N1421 W09110 - N1431 W09111
FCST VA CLD +12HR: 07/0700Z SFC/FL140 N1434 W09103 - N1429 W09052 - N1428 W09052 - N1427 W09105 - N1434 W09103
FCST VA CLD +18HR: 07/1300Z SFC/FL140 N1434 W09103 - N1429 W09052 - N1428 W09052 - N1427 W09104 - N1434 W09103
RMK: OCNL VA EMS OBS IN WEBCAM BUT STLT IMAGERY
IS OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED
ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260807/0115Z
Volcanic Ash Advisory issued on 2026-08-06 at 13:35 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash em.
  • Volcanic ash plume obsd among meteorological cloud in satellite moving w from summit. Webcam obscure by meteorological cloud as well. Nwp model forecast little change through t+18hrs. Zeng.

Original Message :

Received FVXX20 at 13:38 UTC, 06/08/26 from KNES
VA ADVISORY
DTG: 20260806/1335Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/912
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EM
EST VA DTG: 06/1310Z
EST VA CLD: SFC/FL140 N1432 W09104 - N1428 W09052 - N1427 W09053 - N1428 W09105 - N1432 W09104 MOV W 10KT
FCST VA CLD +6HR: 06/1900Z SFC/FL140 N1433 W09108 - N1429 W09052 - N1427 W09052 - N1426 W09108 - N1433 W09108
FCST VA CLD +12HR: 07/0100Z SFC/FL140 N1429 W09113 - N1428 W09052 - N1427 W09052 - N1420 W09111 - N1429 W09113
FCST VA CLD +18HR: 07/0700Z SFC/FL140 N1435 W09112 - N1428 W09053 - N1427 W09052 - N1423 W09113 - N1435 W09112
RMK: VA PLUME OBSD AMONG MET CLD IN SAT MOVING W
FM SUMMIT. WEBCAM OBSC BY MET CLD AS WELL. NWP
MDL FCST LTLCG THRU T+18HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20260806/1930Z
Volcanic Ash Advisory issued on 2026-08-06 at 07:39 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving w of summit. Webcam shows volcanic ash emission. Model winds at forecast to back by t+18 hour becoming more from the ene. Konon.

Original Message :

Received FVXX20 at 07:42 UTC, 06/08/26 from KNES
VA ADVISORY
DTG: 20260806/0739Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/911
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 06/0720Z
OBS VA CLD: SFC/FL140 N1435 W09110 - N1428 W09052 - N1428 W09053 - N1428 W09110 - N1435 W09110 MOV W 15KT
FCST VA CLD +6HR: 06/1330Z SFC/FL140 N1435 W09114 - N1428 W09053 - N1428 W09053 - N1428 W09114 - N1435 W09114
FCST VA CLD +12HR: 06/1930Z SFC/FL140 N1434 W09114 - N1428 W09053 - N1428 W09052 - N1426 W09114 - N1434 W09114
FCST VA CLD +18HR: 07/0130Z SFC/FL140 N1430 W09114 - N1428 W09053 - N1428 W09053 - N1422 W09113 - N1430 W09114
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT. WEBCAM
SHOWS VA EMS. MDL WINDS AT FL FCST TO BACK BY
T+18 HR BECMG MORE FM THE ENE. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260806/1345Z
Volcanic Ash Advisory issued on 2026-08-06 at 01:43 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. Webcam shows volcanic ash emission. No change forecast to model winds at next 18 hr,. Konon.

Original Message :

Received FVXX20 at 01:46 UTC, 06/08/26 from KNES
VA ADVISORY
DTG: 20260806/0143Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/910
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 06/0120Z
EST VA CLD: SFC/FL140 N1435 W09111 - N1428 W09053 - N1428 W09052 - N1428 W09111 - N1435 W09111 MOV W 15KT
FCST VA CLD +6HR: 06/0730Z SFC/FL140 N1438 W09113 - N1428 W09053 - N1428 W09053 - N1428 W09113 - N1438 W09113
FCST VA CLD +12HR: 06/1330Z SFC/FL140 N1438 W09113 - N1428 W09053 - N1428 W09052 - N1427 W09113 - N1438 W09113
FCST VA CLD +18HR: 06/1930Z SFC/FL140 N1437 W09113 - N1428 W09052 - N1428 W09053 - N1427 W09113 - N1437 W09113
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS VA EMS. NO CHG FCST TO
MDL WINDS AT FL NXT 18 HR, ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260806/0745Z
Volcanic Ash Advisory issued on 2026-08-05 at 20:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash moving southwest.
  • Volcanic ash emission observation in satellite imagery moving apprx 40nm southwest from summit. Webcam obscured by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 20:02 UTC, 05/08/26 from KNES
VA ADVISORY
DTG: 20260805/2000Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/909
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA MOVG SW
OBS VA DTG: 05/1930Z
OBS VA CLD: SFC/FL140 N1429 W09052 - N1427 W09052 - N1410 W09129 - N1418 W09132 - N1429 W09052 MOV SW 15KT
FCST VA CLD +6HR: 06/0130Z SFC/FL140 N1428 W09053 - N1427 W09052 - N1406 W09136 - N1416 W09140 - N1428 W09053
FCST VA CLD +12HR: 06/0730Z SFC/FL140 N1429 W09053 - N1428 W09052 - N1419 W09110 - N1427 W09111 - N1429 W09053
FCST VA CLD +18HR: 06/1330Z SFC/FL140 N1434 W09108 - N1429 W09053 - N1427 W09052 - N1425 W09110 - N1434 W09108
RMK: VA EMS OBS IN STLT IMAGERY MOVG APPRX 40NM
SW FM SUMMIT. WEBCAM OBSCD BY WX CLDS. VA FCST
THRU T+18 HRS BASED ON NWP MDL GUIDANCE.
...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260806/0200Z
Volcanic Ash Advisory issued on 2026-08-05 at 14:18 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash emission observation on satellite mvg w to wnw from summit. Webcam shows oncl emission. Volcanic ash mvmt exp to shift toward the wsw through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 14:22 UTC, 05/08/26 from KNES
VA ADVISORY
DTG: 20260805/1418Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/908
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS
OBS VA DTG: 05/1350Z
OBS VA CLD: SFC/FL140 N1435 W09058 - N1428 W09052 - N1427 W09052 - N1428 W09102 - N1435 W09058 MOV W 10KT
FCST VA CLD +6HR: 05/2000Z SFC/FL140 N1430 W09113 - N1429 W09052 - N1427 W09052 - N1422 W09111 - N1430 W09113
FCST VA CLD +12HR: 06/0200Z SFC/FL140 N1428 W09052 - N1427 W09051 - N1419 W09110 - N1426 W09111 - N1428 W09052
FCST VA CLD +18HR: 06/0800Z SFC/FL140 N1428 W09052 - N1427 W09052 - N1420 W09110 - N1427 W09111 - N1428 W09052
RMK: VA EMS OBS ON STLT MVG W TO WNW FM SUMMIT.
WEBCAM SHOWS ONCL EMS. VA MVMT EXP TO SHFT TWD
THE WSW THRU T+18 ACCORDING TO NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260805/2015Z
Volcanic Ash Advisory issued on 2026-08-05 at 08:27 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash detected on satellite moving wnw of summit, webcam shows occasional volcanic ash emission. Model winds at forecast to back a bit next 6 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 08:34 UTC, 05/08/26 from KNES
VA ADVISORY
DTG: 20260805/0827Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/907
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 05/0800Z
OBS VA CLD: SFC/FL140 N1437 W09109 - N1428 W09052 - N1428 W09053 - N1431 W09111 - N1437 W09109 MOV 20KT
FCST VA CLD +6HR: 05/1400Z SFC/FL140 N1435 W09112 - N1428 W09053 - N1428 W09052 - N1428 W09112 - N1435 W09112
FCST VA CLD +12HR: 05/2000Z SFC/FL140 N1433 W09112 - N1428 W09053 - N1428 W09053 - N1425 W09112 - N1433 W09112
FCST VA CLD +18HR: 06/0200Z SFC/FL140 N1433 W09112 - N1428 W09052 - N1428 W09053 - N1425 W09112 - N1433 W09112
RMK: VA DETECTED ON STLT MOVG WNW OF SUMMIT,
WEBCAM SHOWS OCNL VA EMS. MDL WINDS AT FL FCST TO
BACK A BIT NXT 6 HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260805/1430Z
Volcanic Ash Advisory issued on 2026-08-05 at 02:44 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving wnw of summit. Model winds at forecast to back over next 18 hour becoming more from the ene. Konon.

Original Message :

Received FVXX20 at 02:47 UTC, 05/08/26 from KNES
VA ADVISORY
DTG: 20260805/0244Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/906
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 05/0220Z
OBS VA CLD: SFC/FL140 N1436 W09110 - N1428 W09052 - N1428 W09053 - N1431 W09111 - N1436 W09110 MOV W 15KT
FCST VA CLD +6HR: 05/0830Z SFC/FL140 N1438 W09115 - N1429 W09053 - N1428 W09052 - N1431 W09116 - N1438 W09115
FCST VA CLD +12HR: 05/1430Z SFC/FL140 N1434 W09116 - N1428 W09053 - N1428 W09053 - N1426 W09116 - N1434 W09116
FCST VA CLD +18HR: 05/2030Z SFC/FL140 N1429 W09116 - N1428 W09053 - N1428 W09053 - N1420 W09114 - N1429 W09116
RMK: VA DETECTED ON STLT MOVG WNW OF SUMMIT. MDL
WINDS AT FL FCST TO BACK OVR NXT 18 HR BECMG MORE
FM THE ENE. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260805/0845Z
Volcanic Ash Advisory issued on 2026-08-04 at 21:05 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission obsd in webcam.
  • Volcanic ash emission vsbl in webcam but not obsd in satellite img due to meteorological w mvmt exp to shift nw by t+6 hrs, and more wnw by t+18 hours. Mvmt and height based on hysplit, webcam observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 21:08 UTC, 04/08/26 from KNES
VA ADVISORY
DTG: 20260804/2105Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/905
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
HYSPLIT.
ERUPTION DETAILS: VA EMS OBSD IN WEBCAM
EST VA DTG: 04/2040Z
EST VA CLD: SFC/FL170 N1435 W09126 - N1428 W09052 - N1427 W09052 - N1423 W09126 - N1435 W09126 MOV W 10KT
FCST VA CLD +6HR: 05/0230Z SFC/FL170 N1445 W09126 - N1428 W09052 - N1427 W09053 - N1434 W09129 - N1445 W09126
FCST VA CLD +12HR: 05/0830Z SFC/FL170 N1446 W09126 - N1428 W09053 - N1427 W09052 - N1435 W09129 - N1446 W09126
FCST VA CLD +18HR: 05/1430Z SFC/FL170 N1440 W09128 - N1428 W09052 - N1427 W09052 - N1429 W09130 - N1440 W09128
RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT NW BY
T+6 HRS, AND MORE WNW BY T+18 HRS. MVMT AND HGT
BASED ON HYSPLIT, WEBCAM OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260805/0300Z
Volcanic Ash Advisory issued on 2026-08-04 at 15:11 UTC.

    Key information extracted from original VAA message :


  • Ongoing signature volcanic ash em.
  • Very dense continue volcanic ash em observation in webcam. Volcanic ash not.

Original Message :

Received FVXX20 at 15:14 UTC, 04/08/26 from KNES
VA ADVISORY
DTG: 20260804/1511Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/904
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING SIG VA EM
EST VA DTG: 04/1430Z
EST VA CLD: SFC/FL170 N1445 W09124 - N1429 W09052 - N1426 W09052 - N1428 W09131 - N1445 W09124 MOV W 10KT
FCST VA CLD +6HR: 04/2030Z SFC/FL170 N1444 W09206 - N1429 W09053 - N1425 W09052 - N1419 W09206 - N1444 W09206
FCST VA CLD +12HR: 05/0230Z SFC/FL170 N1500 W09202 - N1429 W09052 - N1426 W09052 - N1436 W09208 - N1500 W09202
FCST VA CLD +18HR: 05/0830Z SFC/FL170 N1504 W09159 - N1429 W09052 - N1426 W09052 - N1440 W09207 - N1504 W09159
RMK: VRY DENSE CONT VA EM OBS IN WEBCAM. VA NOT
OBS IN STLT IMG DUE TO HVY MET CLD CVR. EXP W TO
WNW MOVEMENT THRU T+18 HRS. FL BSD ON WEBCAM AND
NWP MDLS. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260804/2115Z
Volcanic Ash Advisory issued on 2026-08-04 at 09:19 UTC.

    Key information extracted from original VAA message :


  • Signature volcanic ash emission.
  • Correction for typo. Very dense volcanic ash plume 35 nm of summit moving w. Moderately dense plume extending aprox 65 nm wnw of summit currently. Webcam shows continuous strong emission with lightning in ltlchg forecast in model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 09:22 UTC, 04/08/26 from KNES
VA ADVISORY -CORRECTION
DTG: 20260804/0919Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/903
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 04/0830Z
OBS VA CLD: SFC/FL180 N1508 W09157 - N1433 W09053 - N1428 W09052 - N1426 W09054 - N1435 W09156 - N1508 W09157 MOV W 10KT
FCST VA CLD +6HR: 04/1430Z SFC/FL180 N1515 W09215 - N1431 W09054 - N1428 W09052 - N1427 W09053 - N1429 W09215 - N1515 W09215
FCST VA CLD +12HR: 04/2030Z SFC/FL180 N1442 W09141 - N1428 W09052 - N1428 W09053 - N1429 W09141 - N1442 W09141
FCST VA CLD +18HR: 05/0230Z SFC/FL180 N1438 W09127 - N1428 W09052 - N1428 W09053 - N1428 W09127 - N1438 W09127
RMK: COR FOR TYPO. VRY DENSE VA PLUME WITHIN 35 NM
OF SUMMIT MOVG W. MDTLY DENSE PLUME EXTENDING APROX
65 NM WNW OF SUMMIT CURRENTLY. WEBCAM SHOWS CONS STG
EMS WITH LTG IN PLUME. LTLCHG FCST IN MDL WINDS AT
FL NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1515Z