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 2026-09-04 at 03:36 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 model winds at forecast variable next 18 hour. Konon.

Original Message :

Received FVXX20 at 03:38 UTC, 04/09/26 from KNES
VA ADVISORY
DTG: 20260904/0336Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1028
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 04/0320Z
EST VA CLD: SFC/FL140 N1435 W09110 - N1428 W09053 - N1428 W09053 - N1428 W09110 - N1435 W09110 MOV W 10KT
FCST VA CLD +6HR: 04/0930Z SFC/FL140 N1440 W09107 - N1428 W09053 - N1428 W09053 - N1432 W09110 - N1440 W09107
FCST VA CLD +12HR: 04/1530Z SFC/FL140 N1435 W09111 - N1428 W09052 - N1428 W09053 - N1426 W09112 - N1435 W09111
FCST VA CLD +18HR: 04/2130Z SFC/FL140 N1435 W09111 - N1428 W09052 - N1428 W09052 - N1426 W09112 - N1435 W09111
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS VA EMS MDL WINDS AT FL
FCST VRB NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260904/0930Z
Volcanic Ash Advisory issued on 2026-09-03 at 21:53 UTC.

    Key information extracted from original VAA message :


  • Intermittent volcanic ash emission.
  • Light volcanic ash emission observation in webcam. Volcanic ash not detected in satellite img. Model winds suggest nw mvmt to shift w by t+6. Gatling.

Original Message :

Received FVXX20 at 21:55 UTC, 03/09/26 from KNES
VA ADVISORY
DTG: 20260903/2153Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1027
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: INTMT VA EMS
EST VA DTG: 03/2120Z
EST VA CLD: SFC/FL140 N1434 W09058 - N1428 W09052 - N1428 W09053 - N1432 W09101 - N1434 W09058 MOV NW 15KT
FCST VA CLD +6HR: 04/0330Z SFC/FL140 N1432 W09101 - N1428 W09052 - N1428 W09052 - N1429 W09102 - N1432 W09101
FCST VA CLD +12HR: 04/0930Z SFC/FL140 N1435 W09058 - N1428 W09052 - N1428 W09053 - N1432 W09100 - N1435 W09058
FCST VA CLD +18HR: 04/1530Z SFC/FL140 N1435 W09058 - N1428 W09052 - N1428 W09053 - N1433 W09100 - N1435 W09058
RMK: LGT VA EMS OBS IN WEBCAM. VA NOT DETECTED IN
STLT IMG. MDL WINDS SUG NW MVMT TO SHIFT W BY
T+6. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260904/0400Z
Volcanic Ash Advisory issued on 2026-09-03 at 15:53 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash not visibility in satellite img due to meteorological cloud cover. Volcanic ash emission may continue. Model winds suggest w mvmt to shift nw by t+6. Forecast confidence low. Gatling.

Original Message :

Received FVXX20 at 15:55 UTC, 03/09/26 from KNES
VA ADVISORY
DTG: 20260903/1553Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1026
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS
EST VA DTG: 03/1520Z
EST VA CLD: SFC/FL140 N1429 W09107 - N1428 W09053 - N1428 W09052 - N1425 W09106 - N1429 W09107 MOV W 15KT
FCST VA CLD +6HR: 03/2130Z SFC/FL140 N1440 W09101 - N1428 W09052 - N1428 W09053 - N1437 W09105 - N1440 W09101
FCST VA CLD +12HR: 04/0330Z SFC/FL140 N1436 W09105 - N1428 W09053 - N1428 W09053 - N1432 W09108 - N1436 W09105
FCST VA CLD +18HR: 04/0930Z NO VA EXP
RMK: VA NOT VIS IN STLT IMG DUE TO MET CLD CVR.
VA EMS MAY CONT. MDL WINDS SUG W MVMT TO SHIFT NW
BY T+6. FCST CONFIDENCE LOW. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260903/2200Z
Volcanic Ash Advisory issued on 2026-09-03 at 09:57 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. Model winds at forecast to veer by t+12 hour becoming more from the ese. Konon.

Original Message :

Received FVXX20 at 09:59 UTC, 03/09/26 from KNES
VA ADVISORY
DTG: 20260903/0957Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1025
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 03/0920Z
EST VA CLD: SFC/FL140 N1435 W09111 - N1429 W09052 - N1428 W09053 - N1428 W09111 - N1435 W09111 MOV W 15KT
FCST VA CLD +6HR: 03/1530Z SFC/FL140 N1435 W09111 - N1429 W09052 - N1428 W09053 - N1428 W09112 - N1435 W09111
FCST VA CLD +12HR: 03/2130Z SFC/FL140 N1440 W09111 - N1429 W09053 - N1428 W09053 - N1430 W09112 - N1440 W09111
FCST VA CLD +18HR: 04/0330Z SFC/FL140 N1443 W09108 - N1429 W09052 - N1428 W09053 - N1431 W09112 - N1443 W09108
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS VA EMS. MDL WINDS AT FL
FCST TO VEER BY T+12 HR BECMG MORE FM THE ESE.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260903/1600Z
Volcanic Ash Advisory issued on 2026-09-03 at 04:02 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected on satellite due to thick weather clouds in summit area. Volcanic ash emission likely continue recent activity. Model winds at forecast to veer over.

Original Message :

Received FVXX20 at 04:05 UTC, 03/09/26 from KNES
VA ADVISORY
DTG: 20260903/0402Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1024
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 03/0320Z
EST VA CLD: SFC/FL150 N1435 W09111 - N1428 W09052 - N1428 W09052 - N1428 W09111 - N1435 W09111 MOV W 15KT
FCST VA CLD +6HR: 03/0930Z SFC/FL150 N1437 W09113 - N1428 W09053 - N1428 W09053 - N1426 W09113 - N1437 W09113
FCST VA CLD +12HR: 03/1530Z SFC/FL150 N1441 W09111 - N1429 W09052 - N1428 W09053 - N1431 W09113 - N1441 W09111
FCST VA CLD +18HR: 03/2130Z SFC/FL150 N1444 W09110 - N1428 W09052 - N1428 W09053 - N1432 W09112 - N1444 W09110
RMK: VA NOT DETECTED ON STLT DUE TO THK WX CLDS
IN SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN
RECENT ACTVTY. MDL WINDS AT FL FCST TO VEER OVR
NXT 18 HR EVENTUALLY BECMG MORE FM THE SE.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260903/1000Z
Volcanic Ash Advisory issued on 2026-09-02 at 22:23 UTC.

    Key information extracted from original VAA message :


  • Likely volcanic ash emission.
  • Volcanic ash emission not observation on satellite or webcam due to heavy weather cloud cover. Emission likely to continue. A general w to southwest mvmt exp through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 22:26 UTC, 02/09/26 from KNES
VA ADVISORY
DTG: 20260902/2223Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1023
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: LIKELY VA EMS
EST VA DTG: 02/2150Z
EST VA CLD: SFC/FL160 N1430 W09107 - N1429 W09052 - N1427 W09052 - N1420 W09105 - N1430 W09107 MOV W 15KT
FCST VA CLD +6HR: 03/0400Z SFC/FL160 N1429 W09118 - N1429 W09052 - N1427 W09052 - N1419 W09116 - N1429 W09118
FCST VA CLD +12HR: 03/1000Z SFC/FL160 N1434 W09117 - N1429 W09052 - N1427 W09052 - N1423 W09117 - N1434 W09117
FCST VA CLD +18HR: 03/1600Z SFC/FL160 N1429 W09052 - N1428 W09051 - N1411 W09108 - N1422 W09114 - N1429 W09052
RMK: VA EMS NOT OBS ON STLT OR WEBCAM DUE TO
HEAVY WX CLD CVR. EMS LIKELY TO CONT. A GEN W TO
SW MVMT EXP THRU T+18 ACCORDING TO NWP MDLS.
...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260903/0430Z
Volcanic Ash Advisory issued on 2026-09-02 at 16:32 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite mvg general w from summit. Further volcanic ash may be obscure by weather webcam shows frqt emission. Volcanic ash mvmt to shift more southwest through t+12 then more w by t+18 with wind speed decreasing. Forecast based on nwp. Evans.

Original Message :

Received FVXX20 at 16:35 UTC, 02/09/26 from KNES
VA ADVISORY
DTG: 20260902/1632Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1022
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 02/1600Z
OBS VA CLD: SFC/FL160 N1433 W09113 - N1429 W09052 - N1427 W09052 - N1424 W09111 - N1433 W09113 MOV W 15KT
FCST VA CLD +6HR: 02/2200Z SFC/FL160 N1429 W09052 - N1427 W09052 - N1411 W09137 - N1426 W09141 - N1429 W09052
FCST VA CLD +12HR: 03/0400Z SFC/FL160 N1429 W09052 - N1427 W09052 - N1412 W09119 - N1423 W09123 - N1429 W09052
FCST VA CLD +18HR: 03/1000Z SFC/FL160 N1431 W09113 - N1429 W09052 - N1427 W09052 - N1423 W09113 - N1431 W09113
RMK: VA EMS OBS ON STLT MVG GEN W FM SUMMIT.
FURTHER VA MAY BE OBSC BY WX CLDS. WEBCAM SHOWS
FRQT EMS. VA MVMT TO SHFT MORE SW THRU T+12 THEN
MORE W BY T+18 WITH WIND SPD DECREASING. FCST
BASED ON NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260902/2230Z
Volcanic Ash Advisory issued on 2026-09-02 at 10:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash cloud moving wnw.
  • Volcanic ash clouds obsd on satellite img moving wnw apprx 50nm. Volcanic ash emission seen on webcam. Nwp models forecast volcanic ash cloud moving nw through t+6 then wsw through t+18. Butler.

Original Message :

Received FVXX20 at 10:42 UTC, 02/09/26 from KNES
VA ADVISORY
DTG: 20260902/1040Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1021
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA CLD MOVG WNW
OBS VA DTG: 02/1000Z
OBS VA CLD: SFC/FL160 N1446 W09141 - N1429 W09052 - N1426 W09052 - N1438 W09144 - N1446 W09141 MOV NW 20KT
FCST VA CLD +6HR: 02/1600Z SFC/FL160 N1452 W09140 - N1428 W09052 - N1427 W09053 - N1443 W09143 - N1452 W09140
FCST VA CLD +12HR: 02/2200Z SFC/FL160 N1429 W09052 - N1427 W09052 - N1423 W09119 - N1429 W09119 - N1429 W09052
FCST VA CLD +18HR: 03/0400Z SFC/FL160 N1429 W09052 - N1427 W09051 - N1416 W09116 - N1420 W09118 - N1429 W09052
RMK: VA CLDS OBSD ON STLT IMG MOVG WNW APPRX
50NM. VA EMS SEEN ON WEBCAM. NWP MDLS FCST VA CLD
MOVG NW THRU T+6 THEN WSW THRU T+18. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260902/1645Z
Volcanic Ash Advisory issued on 2026-09-02 at 07:54 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. No change forecast to model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 07:56 UTC, 02/09/26 from KNES
VA ADVISORY
DTG: 20260902/0754Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1020
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 02/0730Z
OBS VA CLD: SFC/FL140 N1434 W09116 - N1428 W09053 - N1428 W09052 - N1428 W09116 - N1434 W09116 MOV W 20KT
FCST VA CLD +6HR: 02/1330Z SFC/FL140 N1437 W09120 - N1428 W09053 - N1428 W09053 - N1426 W09121 - N1437 W09120
FCST VA CLD +12HR: 02/1930Z SFC/FL140 N1437 W09121 - N1428 W09053 - N1428 W09053 - N1426 W09121 - N1437 W09121
FCST VA CLD +18HR: 03/0130Z SFC/FL140 N1437 W09121 - N1428 W09053 - N1428 W09053 - N1426 W09121 - N1437 W09121
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT. WEBCAM
SHOWS VA EMS. NO CHG FCST TO MDL WINDS AT FL NXT
18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260902/1400Z
Volcanic Ash Advisory issued on 2026-08-30 at 23:19 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission obsd in satellite img extg apprx 50 nm wnw from summit. A more nw mvmt exp by t+12 hours. Mvmt and height based on satellite observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 23:24 UTC, 30/08/26 from KNES
VA ADVISORY
DTG: 20260830/2319Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1019
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 30/2240Z
OBS VA CLD: SFC/FL150 N1442 W09136 - N1429 W09053 - N1427 W09052 - N1432 W09139 - N1442 W09136 MOV NW 15KT
FCST VA CLD +6HR: 31/0430Z SFC/FL150 N1443 W09138 - N1428 W09052 - N1427 W09053 - N1434 W09141 - N1443 W09138
FCST VA CLD +12HR: 31/1030Z SFC/FL150 N1450 W09132 - N1428 W09052 - N1428 W09053 - N1442 W09137 - N1450 W09132
FCST VA CLD +18HR: 31/1630Z SFC/FL150 N1439 W09137 - N1428 W09052 - N1427 W09052 - N1430 W09138 - N1439 W09137
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 50 NM WNW
FM SUMMIT. A MORE NW MVMT EXP BY T+12 HRS. MVMT
AND HGT BASED ON STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260831/0515Z
Volcanic Ash Advisory issued on 2026-08-30 at 17:28 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission obsd in webcam and satellite img extg apprx 35 nm w from summit. W mvmt exp to shift wsw by t+6 hrs, and wnw by t+18 hours. Mvmt and height based on webcam, satellite observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 17:30 UTC, 30/08/26 from KNES
VA ADVISORY
DTG: 20260830/1728Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1018
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 30/1700Z
OBS VA CLD: SFC/FL150 N1434 W09128 - N1429 W09053 - N1427 W09053 - N1424 W09128 - N1434 W09128 MOV W 10KT
FCST VA CLD +6HR: 30/2300Z SFC/FL150 N1429 W09052 - N1427 W09052 - N1414 W09133 - N1424 W09137 - N1429 W09052
FCST VA CLD +12HR: 31/0500Z SFC/FL150 N1436 W09136 - N1429 W09052 - N1426 W09053 - N1424 W09136 - N1436 W09136
FCST VA CLD +18HR: 31/1100Z SFC/FL150 N1441 W09135 - N1428 W09052 - N1427 W09052 - N1430 W09137 - N1441 W09135
RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG
APPRX 35 NM W FM SUMMIT. W MVMT EXP TO SHIFT WSW
BY T+6 HRS, AND WNW BY T+18 HRS. MVMT AND HGT
BASED ON WEBCAM, STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260830/2330Z
Volcanic Ash Advisory issued on 2026-08-30 at 11:25 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite and webcam mvg nw rchng apprx 30 nm from summit. Nw mvmt exp through t+6 then shftng more wsw by t+12. Estimate from webcam, forecast based on nwp. Evans.

Original Message :

Received FVXX20 at 11:28 UTC, 30/08/26 from KNES
VA ADVISORY
DTG: 20260830/1125Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1017
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 30/1100Z
OBS VA CLD: SFC/FL150 N1450 W09105 - N1428 W09052 - N1427 W09053 - N1444 W09113 - N1450 W09105 MOV NW 15KT
FCST VA CLD +6HR: 30/1700Z SFC/FL150 N1446 W09113 - N1428 W09052 - N1427 W09053 - N1437 W09120 - N1446 W09113
FCST VA CLD +12HR: 30/2300Z SFC/FL150 N1429 W09052 - N1426 W09052 - N1416 W09119 - N1426 W09122 - N1429 W09052
FCST VA CLD +18HR: 31/0500Z SFC/FL150 N1444 W09108 - N1428 W09052 - N1427 W09052 - N1437 W09114 - N1444 W09108
RMK: VA EMS OBS ON STLT AND WEBCAM MVG NW RCHNG
APPRX 30 NM FM SUMMIT. NW MVMT EXP THRU T+6 THEN
SHFTNG MORE WSW BY T+12. FL EST FM WEBCAM, FCST
BASED ON NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260830/1730Z
Volcanic Ash Advisory issued on 2026-08-30 at 05:36 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash detected on satellite moving wnw of summit. Webcam shows volcanic ash emission. Model winds at forecast to back by t+12 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 05:39 UTC, 30/08/26 from KNES
VA ADVISORY
DTG: 20260830/0536Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1016
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 30/0510Z
OBS VA CLD: SFC/FL140 N1440 W09110 - N1428 W09052 - N1428 W09053 - N1432 W09112 - N1440 W09110 MOV W 10KT
FCST VA CLD +6HR: 30/1100Z SFC/FL140 N1440 W09110 - N1429 W09052 - N1428 W09053 - N1432 W09112 - N1440 W09110
FCST VA CLD +12HR: 30/1700Z SFC/FL140 N1436 W09111 - N1428 W09053 - N1428 W09052 - N1427 W09112 - N1436 W09111
FCST VA CLD +18HR: 30/2300Z SFC/FL140 N1436 W09112 - N1428 W09052 - N1428 W09053 - N1427 W09112 - N1436 W09112
RMK: VA DETECTED ON STLT MOVG WNW OF SUMMIT.
WEBCAM SHOWS VA EMS. MDL WINDS AT FL FCST TO BACK
BY T+12 HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260830/1145Z
Volcanic Ash Advisory issued on 2026-08-29 at 23:42 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not obsd in satellite img possibly due to meteorological volcanic ash emission may be obscured. Little change in forecast through t+12 hours. Mvmt and height based on nwp. Bertalan.

Original Message :

Received FVXX20 at 23:46 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/2342Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1015
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 29/2250Z
EST VA CLD: SFC/FL150 N1432 W09102 - N1428 W09052 - N1427 W09052 - N1428 W09104 - N1432 W09102 MOV NW 15KT
FCST VA CLD +6HR: 30/0500Z SFC/FL150 N1434 W09105 - N1428 W09052 - N1427 W09052 - N1429 W09107 - N1434 W09105
FCST VA CLD +12HR: 30/1100Z SFC/FL150 N1435 W09104 - N1428 W09052 - N1427 W09052 - N1431 W09108 - N1435 W09104
FCST VA CLD +18HR: 30/1700Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO MET
CLDS. VA EMS MAY BE OBSCD. LTLCG IN FCST THRU
T+12 HRS. MVMT AND HGT BASED ON NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260830/0545Z
Volcanic Ash Advisory issued on 2026-08-29 at 17:42 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission obsd in webcam and satellite img extg apprx 45 nm w from summit. W mvmt exp to shift wnw by t+12 hours and nw by t+18 hours. Mvmt and height based on webcam, satellite observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 17:45 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/1742Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1014
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 29/1710Z
OBS VA CLD: SFC/FL150 N1432 W09140 - N1429 W09052 - N1427 W09052 - N1423 W09140 - N1432 W09140 MOV W 20KT
FCST VA CLD +6HR: 29/2300Z SFC/FL150 N1433 W09143 - N1429 W09052 - N1427 W09052 - N1422 W09143 - N1433 W09143
FCST VA CLD +12HR: 30/0500Z SFC/FL150 N1444 W09140 - N1428 W09052 - N1427 W09052 - N1434 W09143 - N1444 W09140
FCST VA CLD +18HR: 30/1100Z SFC/FL150 N1453 W09134 - N1428 W09052 - N1427 W09052 - N1444 W09140 - N1453 W09134
RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG
APPRX 45 NM W FM SUMMIT. W MVMT EXP TO SHIFT WNW
BY T+12 HRS AND NW BY T+18 HRS. MVMT AND HGT
BASED ON WEBCAM, STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260829/2345Z
Volcanic Ash Advisory issued on 2026-08-29 at 11:43 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite img mvg wnw from summit. Further emission may be obscure by weather cloud. Webcam shows frqt volcanic ash emission. Nwp models suggest a general wnw mvmt through t+18. Evans.

Original Message :

Received FVXX20 at 11:46 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/1143Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1013
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 29/1110Z
OBS VA CLD: SFC/FL150 N1435 W09104 - N1428 W09052 - N1426 W09052 - N1427 W09106 - N1435 W09104 MOV W 10KT
FCST VA CLD +6HR: 29/1700Z SFC/FL150 N1446 W09135 - N1429 W09051 - N1426 W09052 - N1432 W09138 - N1446 W09135
FCST VA CLD +12HR: 29/2300Z SFC/FL150 N1448 W09133 - N1429 W09052 - N1426 W09052 - N1436 W09138 - N1448 W09133
FCST VA CLD +18HR: 30/0500Z SFC/FL150 N1447 W09134 - N1429 W09052 - N1426 W09052 - N1435 W09138 - N1447 W09134
RMK: VA EMS OBS ON STLT IMG MVG WNW FM SUMMIT.
FURTHER EMS MAY BE OBSC BY WX CLD. WEBCAM SHOWS
FRQT VA EMS. NWP MDLS SUG A GEN WNW MVMT THRU
T+18. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260829/1745Z
Volcanic Ash Advisory issued on 2026-08-29 at 06:27 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Volcanic ash emission observation in satellite and webcam move w from summit with intermittent meteorological cloud obscn. Observation volcanic ash estd from nwp little change forecast in mvmt through t+18 hours. Clark.

Original Message :

Received FVXX20 at 06:30 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/0627Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1012
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 29/0600Z
OBS VA CLD: SFC/FL150 N1435 W09134 - N1429 W09052 - N1427 W09052 - N1426 W09134 - N1435 W09134 MOV W 20KT
FCST VA CLD +6HR: 29/1200Z SFC/FL150 N1440 W09134 - N1429 W09052 - N1428 W09052 - N1430 W09135 - N1440 W09134
FCST VA CLD +12HR: 29/1800Z SFC/FL150 N1440 W09135 - N1429 W09052 - N1427 W09052 - N1429 W09137 - N1440 W09135
FCST VA CLD +18HR: 30/0000Z SFC/FL150 N1441 W09136 - N1429 W09053 - N1427 W09052 - N1429 W09137 - N1441 W09136
RMK: VA EMS OBS IN SAT AND WEBCAM MOV W FM
SUMMIT WITH INTMT MET CLD OBSCN. OBS VA FL ESTD
FM NWP MDLS. LTLCG FCST IN FL MVMT THRU T+18 HRS.
...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260829/1230Z
Volcanic Ash Advisory issued on 2026-08-29 at 00:42 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense cloud cover over the has obscured possible volcanic ash in satellite imagery and intermittently in webcam. Volcanic ash presumed move to the w based on nwp models and persistence. Lee.

Original Message :

Received FVXX20 at 00:46 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/0042Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1011
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
EST VA DTG: 29/0000Z
EST VA CLD: SFC/FL150 N1430 W09117 - N1429 W09053 - N1426 W09053 - N1425 W09117 - N1430 W09117 MOV W 15KT
FCST VA CLD +6HR: 29/0600Z SFC/FL150 N1429 W09053 - N1426 W09052 - N1424 W09119 - N1429 W09119 - N1429 W09053
FCST VA CLD +12HR: 29/1200Z SFC/FL150 N1429 W09053 - N1426 W09052 - N1422 W09122 - N1428 W09121 - N1429 W09053
FCST VA CLD +18HR: 29/1800Z NO VA EXP
RMK: DENSE CLD COVER OVER THE REGION HAS OBSCURED
POSSIBLE VA IN STLT IMAGERY AND INTERMITTENTLY IN
WEBCAM. VA PRESUMED MOV TO THE W BASED ON NWP
MODELS AND PERSISTENCE. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20260829/0645Z
Volcanic Ash Advisory issued on 2026-08-28 at 19:14 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Continuous volcanic ash emission noted in webcam and in infrared satellite imagery. Volcanic ash plume extends to the w of the summit. Lee.

Original Message :

Received FVXX20 at 19:17 UTC, 28/08/26 from KNES
VA ADVISORY
DTG: 20260828/1914Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1010
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 28/1840Z
OBS VA CLD: SFC/FL150 N1434 W09132 - N1429 W09052 - N1426 W09053 - N1426 W09133 - N1434 W09132 MOV W 15KT
FCST VA CLD +6HR: 29/0030Z SFC/FL150 N1431 W09133 - N1429 W09053 - N1426 W09053 - N1423 W09133 - N1431 W09133
FCST VA CLD +12HR: 29/0630Z SFC/FL150 N1429 W09053 - N1426 W09053 - N1422 W09132 - N1429 W09134 - N1429 W09053
FCST VA CLD +18HR: 29/1230Z SFC/FL150 N1431 W09122 - N1429 W09053 - N1426 W09052 - N1423 W09123 - N1431 W09122
RMK: CONS VA EMS NOTED IN WEBCAM AND IN IR STLT
IMAGERY. VA PLUME EXTENDS TO THE W OF THE SUMMIT.
...LEE
NXT ADVISORY: WILL BE ISSUED BY 20260829/0115Z
Volcanic Ash Advisory issued on 2026-08-28 at 13:34 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 13:41 UTC, 28/08/26 from KNES
VA ADVISORY -CORRECTION
DTG: 20260828/1334Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1009
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 28/1250Z
OBS VA CLD: SFC/FL150 N1441 W09159 - N1428 W09052 - N1425 W09157 - N1441 W09159 MOV W 15KT
FCST VA CLD +6HR: 28/1900Z SFC/FL150 N1438 W09159 - N1428 W09052 - N1420 W09157 - N1438 W09159
FCST VA CLD +12HR: 29/0100Z SFC/FL150 N1441 W09159 - N1428 W09052 - N1422 W09157 - N1441 W09159
FCST VA CLD +18HR: 29/0700Z SFC/FL150 N1444 W09159 - N1428 W09052 - N1423 W09157 - N1444 W09159
RMK: CORRECTED TO FIX ERRONEOUS VAG ATTACHMENT.
CONT VA EMS OBS MOV W IN STLT IMAGERY. VA FCST TO
CONT W MOV THRU T+18HRS BEFORE DISP. VO ACT
MODERATE TO HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260828/1930Z
Volcanic Ash Advisory issued on 2026-08-28 at 04:53 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Continuing volcanic ash emission observation in webcam and satellite move nw up to 60 nm from summit. Observation volcanic ash estd from nwp mvmt forecast to turn to southwest by t+18 hours. Clark.

Original Message :

Received FVXX20 at 04:55 UTC, 28/08/26 from KNES
VA ADVISORY
DTG: 20260828/0453Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1008
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 28/0430Z
OBS VA CLD: SFC/FL150 N1453 W09144 - N1429 W09052 - N1427 W09052 - N1443 W09148 - N1453 W09144 MOV NW 20KT
FCST VA CLD +6HR: 28/1030Z SFC/FL150 N1455 W09149 - N1429 W09052 - N1427 W09053 - N1442 W09153 - N1455 W09149
FCST VA CLD +12HR: 28/1630Z SFC/FL150 N1441 W09154 - N1429 W09052 - N1428 W09052 - N1429 W09155 - N1441 W09154
FCST VA CLD +18HR: 28/2230Z SFC/FL150 N1429 W09052 - N1427 W09052 - N1409 W09147 - N1424 W09152 - N1429 W09052
RMK: CONTG VA EMS OBS IN WEBCAM AND SAT MOV NW UP
TO 60 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS.
FL MVMT FCST TO TURN TO SW BY T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260828/1100Z
Volcanic Ash Advisory issued on 2026-08-27 at 23:04 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 a more wnw mvmt exp by t+12 hours. Mvmt and height based on webcam observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 23:06 UTC, 27/08/26 from KNES
VA ADVISORY
DTG: 20260827/2304Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1007
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD IN WEBCAM
EST VA DTG: 27/2230Z
EST VA CLD: SFC/FL150 N1431 W09104 - N1428 W09053 - N1427 W09052 - N1426 W09104 - N1431 W09104 MOV W 20KT
FCST VA CLD +6HR: 28/0430Z SFC/FL150 N1432 W09108 - N1428 W09052 - N1426 W09053 - N1426 W09108 - N1432 W09108
FCST VA CLD +12HR: 28/1030Z SFC/FL150 N1434 W09107 - N1428 W09053 - N1426 W09052 - N1427 W09108 - N1434 W09107
FCST VA CLD +18HR: 28/1630Z SFC/FL150 N1431 W09108 - N1428 W09052 - N1427 W09052 - N1425 W09108 - N1431 W09108
RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. A MORE WNW MVMT EXP BY T+12
HRS. MVMT AND HGT BASED ON WEBCAM OBS AND NWP
MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260828/0500Z
Volcanic Ash Advisory issued on 2026-08-27 at 17:21 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission obsd in webcam and satellite img extg apprx 60 nm w from summit. W mvmt exp to shift more wsw by t+6 hours and wnw by t+12 hours. Mvmt and height based on webcam, satellite observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 17:24 UTC, 27/08/26 from KNES
VA ADVISORY
DTG: 20260827/1721Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1006
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 27/1650Z
OBS VA CLD: SFC/FL150 N1433 W09157 - N1429 W09052 - N1427 W09052 - N1420 W09157 - N1433 W09157 MOV W 20KT
FCST VA CLD +6HR: 27/2300Z SFC/FL150 N1429 W09053 - N1426 W09052 - N1411 W09153 - N1425 W09157 - N1429 W09053
FCST VA CLD +12HR: 28/0500Z SFC/FL150 N1441 W09155 - N1429 W09053 - N1426 W09053 - N1428 W09157 - N1441 W09155
FCST VA CLD +18HR: 28/1100Z SFC/FL150 N1446 W09153 - N1429 W09053 - N1426 W09052 - N1432 W09156 - N1446 W09153
RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG
APPRX 60 NM W FM SUMMIT. W MVMT EXP TO SHIFT MORE
WSW BY T+6 HRS AND WNW BY T+12 HRS. MVMT AND HGT
BASED ON WEBCAM, STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260827/2315Z
Volcanic Ash Advisory issued on 2026-08-27 at 11:36 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite apprx 55 nm wnw from summit with newer emission closer to summit also observation. Webcam shows frqt activity. Volcanic ash mvmt toward the w exp through t+6 shftng more wnw through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 11:39 UTC, 27/08/26 from KNES
VA ADVISORY
DTG: 20260827/1136Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1005
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 27/1110Z
OBS VA CLD: SFC/FL150 N1433 W09102 - N1428 W09052 - N1427 W09052 - N1426 W09104 - N1433 W09102 MOV W 20KT SFC/FL150 N1447 W09147 - N1440 W09135 - N1437 W09138 - N1443 W09151 - N1447 W09147 MOV W 20KT
FCST VA CLD +6HR: 27/1700Z SFC/FL150 N1436 W09158 - N1429 W09052 - N1426 W09052 - N1423 W09159 - N1436 W09158
FCST VA CLD +12HR: 27/2300Z SFC/FL150 N1443 W09150 - N1429 W09052 - N1427 W09052 - N1431 W09152 - N1443 W09150
FCST VA CLD +18HR: 28/0500Z SFC/FL150 N1452 W09144 - N1429 W09052 - N1426 W09052 - N1440 W09150 - N1452 W09144
RMK: VA EMS OBS ON STLT APPRX 55 NM WNW FM SUMMIT
WITH NEWER EMS CLOSER TO SUMMIT ALSO OBS. WEBCAM
SHOWS FRQT ACTIVITY. VA MVMT TWD THE W EXP THRU
T+6 SHFTNG MORE WNW THRU T+18 ACCORDING TO NWP
MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260827/1730Z
Volcanic Ash Advisory issued on 2026-08-27 at 07:25 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 07:27 UTC, 27/08/26 from KNES
VA ADVISORY
DTG: 20260827/0725Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1004
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA OBS IN WEBCAM
EST VA DTG: 27/0650Z
EST VA CLD: SFC/FL150 N1432 W09112 - N1429 W09052 - N1427 W09052 - N1425 W09113 - N1432 W09112 MOV W 20KT
FCST VA CLD +6HR: 27/1300Z SFC/FL150 N1433 W09121 - N1429 W09052 - N1427 W09052 - N1422 W09121 - N1433 W09121
FCST VA CLD +12HR: 27/1900Z SFC/FL150 N1429 W09113 - N1429 W09052 - N1427 W09052 - N1420 W09110 - N1429 W09113
FCST VA CLD +18HR: 28/0100Z SFC/FL150 N1435 W09114 - N1429 W09052 - N1427 W09052 - N1426 W09116 - N1435 W09114
RMK: ONGOING VA EMS OBS IN WEBCAM BUT STLT
IMAGERY REMAINS OBSCD BY WX CLDS. VA FCST THRU
T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260827/1330Z
Volcanic Ash Advisory issued on 2026-08-27 at 01:28 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission observation in webcam but satellite imagery remains osbcd by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 01:30 UTC, 27/08/26 from KNES
VA ADVISORY
DTG: 20260827/0128Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1003
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 27/0100Z
EST VA CLD: SFC/FL150 N1434 W09126 - N1429 W09052 - N1427 W09052 - N1420 W09124 - N1434 W09126 MOV W 20KT
FCST VA CLD +6HR: 27/0700Z SFC/FL150 N1441 W09124 - N1429 W09052 - N1428 W09052 - N1426 W09127 - N1441 W09124
FCST VA CLD +12HR: 27/1300Z SFC/FL150 N1436 W09126 - N1429 W09052 - N1428 W09052 - N1422 W09127 - N1436 W09126
FCST VA CLD +18HR: 27/1900Z SFC/FL150 N1432 W09126 - N1429 W09052 - N1428 W09052 - N1417 W09125 - N1432 W09126
RMK: VA EMS OBS IN WEBCAM BUT STLT IMAGERY
REMAINS OSBCD BY WX CLDS. VA FCST THRU T+18 HRS
BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260827/0730Z
Volcanic Ash Advisory issued on 2026-08-26 at 19:38 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission obsd in satellite img extg apprx 50 nm w from summit. A more wsw mvmt exp by t+6 hours. Mvmt and height based on satellite img and nwp models. Bertalan.

Original Message :

Received FVXX20 at 19:41 UTC, 26/08/26 from KNES
VA ADVISORY
DTG: 20260826/1938Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1002
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 26/1910Z
OBS VA CLD: SFC/FL150 N1435 W09143 - N1428 W09052 - N1427 W09052 - N1420 W09143 - N1435 W09143 MOV W 20KT
FCST VA CLD +6HR: 27/0100Z SFC/FL150 N1428 W09053 - N1427 W09052 - N1412 W09141 - N1426 W09145 - N1428 W09053
FCST VA CLD +12HR: 27/0700Z SFC/FL150 N1437 W09144 - N1428 W09052 - N1427 W09052 - N1422 W09144 - N1437 W09144
FCST VA CLD +18HR: 27/1300Z SFC/FL150 N1437 W09144 - N1428 W09052 - N1426 W09052 - N1422 W09144 - N1437 W09144
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 50 NM W
FM SUMMIT. A MORE WSW MVMT EXP BY T+6 HRS. MVMT
AND HGT BASED ON STLT IMG AND NWP MDLS ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260827/0145Z
Volcanic Ash Advisory issued on 2026-08-26 at 07:53 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 07:55 UTC, 26/08/26 from KNES
VA ADVISORY
DTG: 20260826/0753Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/1000
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA OBS IN WEBCAM
EST VA DTG: 26/0720Z
EST VA CLD: SFC/FL150 N1429 W09052 - N1428 W09051 - N1421 W09111 - N1429 W09112 - N1429 W09052 MOV W 25KT
FCST VA CLD +6HR: 26/1330Z SFC/FL150 N1434 W09122 - N1429 W09052 - N1427 W09051 - N1423 W09123 - N1434 W09122
FCST VA CLD +12HR: 26/1930Z SFC/FL150 N1431 W09121 - N1429 W09052 - N1427 W09051 - N1419 W09119 - N1431 W09121
FCST VA CLD +18HR: 27/0130Z SFC/FL150 N1435 W09119 - N1429 W09052 - N1428 W09052 - N1424 W09120 - N1435 W09119
RMK: ONGOING VA EMS OBS IN WEBCAM BUT STLT
IMAGERY REMAINS OBSCD BY WX CLDS. VA FCST THRU
T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260826/1400Z
Volcanic Ash Advisory issued on 2026-08-26 at 02:13 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash emission occasionally seen in webcam during breaks in weather satellite imagery obscured by weather volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 02:15 UTC, 26/08/26 from KNES
VA ADVISORY
DTG: 20260826/0213Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/999
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 26/0140Z
EST VA CLD: SFC/FL150 N1431 W09112 - N1429 W09052 - N1427 W09052 - N1421 W09112 - N1431 W09112 MOV W 20KT
FCST VA CLD +6HR: 26/0730Z SFC/FL150 N1429 W09052 - N1427 W09052 - N1413 W09122 - N1427 W09126 - N1429 W09052
FCST VA CLD +12HR: 26/1330Z SFC/FL150 N1432 W09124 - N1429 W09052 - N1427 W09052 - N1415 W09123 - N1432 W09124
FCST VA CLD +18HR: 26/1930Z SFC/FL150 N1429 W09052 - N1426 W09052 - N1411 W09120 - N1426 W09125 - N1429 W09052
RMK: VA EMS OCNLY SEEN IN WEBCAM DURING BRKS IN
WX CLDS. STLT IMAGERY OBSCD BY WX CLDS. VA FCST
THRU T+18 HRS BASED ON NWP MDL GUIDANCE.
...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260826/0815Z
Volcanic Ash Advisory issued on 2026-08-25 at 20:47 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash em.
  • Volcanic ash em observation in webcam and in satellite img moving w at apx 30 nmi from summit. Exp wsw movement through t+18 hours. And forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 20:50 UTC, 25/08/26 from KNES
VA ADVISORY
DTG: 20260825/2047Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/998
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM
OBS VA DTG: 25/2010Z
OBS VA CLD: SFC/FL150 N1431 W09125 - N1428 W09052 - N1426 W09052 - N1423 W09125 - N1431 W09125 MOV W 15KT
FCST VA CLD +6HR: 26/0200Z SFC/FL150 N1429 W09053 - N1428 W09052 - N1413 W09122 - N1419 W09125 - N1429 W09053
FCST VA CLD +12HR: 26/0800Z SFC/FL150 N1429 W09053 - N1428 W09052 - N1413 W09122 - N1419 W09125 - N1429 W09053
FCST VA CLD +18HR: 26/1400Z SFC/FL150 N1429 W09052 - N1427 W09052 - N1418 W09124 - N1425 W09126 - N1429 W09052
RMK: VA EM OBS IN WEBCAM AND IN STLT IMG MOVING W
AT APX 30 NMI FM SUMMIT. EXP WSW MOVEMENT THRU
T+18 HRS. FL AND FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260826/0245Z
Volcanic Ash Advisory issued on 2026-08-25 at 15:04 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 moderate. Fisher.

Original Message :

Received FVXX20 at 15:07 UTC, 25/08/26 from KNES
VA ADVISORY
DTG: 20260825/1504Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/997
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 25/1430Z
OBS VA CLD: SFC/FL160 N1447 W09201 - N1428 W09052 - N1425 W09158 - N1447 W09201 MOV W 10KT
FCST VA CLD +6HR: 25/2030Z SFC/FL160 N1446 W09202 - N1428 W09052 - N1423 W09200 - N1446 W09202
FCST VA CLD +12HR: 26/0230Z SFC/FL160 N1444 W09203 - N1428 W09052 - N1422 W09201 - N1444 W09203
FCST VA CLD +18HR: 26/0830Z SFC/FL160 N1441 W09204 - N1428 W09052 - N1419 W09202 - N1441 W09204
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260825/2100Z
Volcanic Ash Advisory issued on 2026-08-25 at 09:22 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation in satellite imagery and webcam moving apprx 20nm w of summit. Volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 09:24 UTC, 25/08/26 from KNES
VA ADVISORY
DTG: 20260825/0922Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/996
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 25/0850Z
OBS VA CLD: SFC/FL160 N1432 W09113 - N1429 W09052 - N1427 W09051 - N1422 W09113 - N1432 W09113 MOV W 20KT
FCST VA CLD +6HR: 25/1500Z SFC/FL160 N1435 W09126 - N1429 W09052 - N1427 W09051 - N1419 W09125 - N1435 W09126
FCST VA CLD +12HR: 25/2100Z SFC/FL160 N1429 W09052 - N1428 W09051 - N1417 W09108 - N1428 W09112 - N1429 W09052
FCST VA CLD +18HR: 26/0300Z SFC/FL160 N1429 W09052 - N1428 W09051 - N1415 W09107 - N1427 W09112 - N1429 W09052
RMK: VA EMS OBS IN STLT IMAGERY AND WEBCAM MOVG
APPRX 20NM W OF SUMMIT. VA FCST THRU T+18 HRS
BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260825/1515Z
Volcanic Ash Advisory issued on 2026-08-25 at 04:09 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Frqt volcanic ash emission observation in satellite imagery and webcam moving apprx 20nm wnw of summit. Volcanic ash forecast through t+18 hours based on nwp model guidance. Coverdale.

Original Message :

Received FVXX20 at 04:11 UTC, 25/08/26 from KNES
VA ADVISORY
DTG: 20260825/0409Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/995
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 25/0340Z
OBS VA CLD: SFC/FL160 N1438 W09110 - N1429 W09052 - N1426 W09052 - N1429 W09113 - N1438 W09110 MOV NW 15KT
FCST VA CLD +6HR: 25/0930Z SFC/FL160 N1440 W09117 - N1429 W09052 - N1427 W09053 - N1429 W09120 - N1440 W09117
FCST VA CLD +12HR: 25/1530Z SFC/FL160 N1437 W09111 - N1429 W09052 - N1427 W09052 - N1428 W09113 - N1437 W09111
FCST VA CLD +18HR: 25/2130Z SFC/FL160 N1429 W09113 - N1429 W09052 - N1427 W09052 - N1419 W09110 - N1429 W09113
RMK: FRQT VA EMS OBS IN STLT IMAGERY AND WEBCAM
MOVG APPRX 20NM WNW OF SUMMIT. VA FCST THRU T+18
HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260825/1015Z
Volcanic Ash Advisory issued on 2026-08-24 at 22:17 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash em likely.
  • Volcanic ash em observation earlier in webcam. Volcanic ash not crntly.

Original Message :

Received FVXX20 at 22:19 UTC, 24/08/26 from KNES
VA ADVISORY
DTG: 20260824/2217Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/994
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM LKLY
EST VA DTG: 24/2150Z
EST VA CLD: SFC/FL140 N1431 W09116 - N1428 W09052 - N1427 W09052 - N1426 W09116 - N1431 W09116 MOV W 20KT
FCST VA CLD +6HR: 25/0400Z SFC/FL140 N1437 W09117 - N1428 W09052 - N1426 W09053 - N1431 W09119 - N1437 W09117
FCST VA CLD +12HR: 25/1000Z SFC/FL140 N1443 W09114 - N1428 W09052 - N1427 W09053 - N1437 W09117 - N1443 W09114
FCST VA CLD +18HR: 25/1600Z SFC/FL140 N1437 W09117 - N1428 W09052 - N1426 W09053 - N1431 W09119 - N1437 W09117
RMK: VA EM OBS EARLIER IN WEBCAM. VA NOT CRNTLY
OBS IN WEBCAM OR STLT IMG DUE TO MET CLD CVR. EXP
WNW MOVEMENT THRU T+18 HRS. FL BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260825/0415Z
Volcanic Ash Advisory issued on 2026-08-24 at 16:28 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 wnw movement through t+18 hours. Bsd on past activity. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 16:32 UTC, 24/08/26 from KNES
VA ADVISORY
DTG: 20260824/1628Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/993
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQT SML VA EM
EST VA DTG: 24/1610Z
EST VA CLD: SFC/FL140 N1436 W09113 - N1428 W09052 - N1426 W09052 - N1431 W09115 - N1436 W09113 MOV W 20KT
FCST VA CLD +6HR: 24/2200Z SFC/FL140 N1431 W09118 - N1428 W09052 - N1427 W09052 - N1425 W09117 - N1431 W09118
FCST VA CLD +12HR: 25/0400Z SFC/FL140 N1440 W09114 - N1428 W09052 - N1427 W09052 - N1433 W09117 - N1440 W09114
FCST VA CLD +18HR: 25/1000Z SFC/FL140 N1441 W09114 - N1428 W09052 - N1427 W09052 - N1433 W09117 - N1441 W09114
RMK: VA EM OBS IN WEBCAM THO NOT OBS IN STLT IMG
DUE TO MET CLD CVR IN SUMMIT AREA. EXP WNW
MOVEMENT THRU T+18 HRS. FL BSD ON PAST ACTIVITY.
FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260824/2230Z
Volcanic Ash Advisory issued on 2026-08-24 at 10:51 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission possible.
  • Continue volcanic ash emission possible move w in satellite imagery. No new volcanic ash emission observation in satellite imagery due to weather volcanic ash forecast to continue w move through t+18hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 10:54 UTC, 24/08/26 from KNES
VA ADVISORY
DTG: 20260824/1051Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/992
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS PSBL
EST VA DTG: 24/1020Z
EST VA CLD: SFC/FL140 N1437 W09112 - N1428 W09052 - N1430 W09116 - N1437 W09112 MOV W 20KT
FCST VA CLD +6HR: 24/1630Z SFC/FL140 N1440 W09113 - N1428 W09052 - N1431 W09117 - N1440 W09113
FCST VA CLD +12HR: 24/2230Z SFC/FL140 N1441 W09113 - N1428 W09052 - N1431 W09120 - N1441 W09113
FCST VA CLD +18HR: 25/0430Z SFC/FL140 N1443 W09113 - N1428 W09052 - N1432 W09120 - N1443 W09113
RMK: CONT VA EMS PSBL MOV W IN STLT IMAGERY. NO
NEW VA EMS OBS IN STLT IMAGERY DUE TO WX CLDS. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260824/1645Z
Volcanic Ash Advisory issued on 2026-08-24 at 04:54 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission not crntly observation on satellite due to weather cloud cvr, however emission observation on webcam mvg w from summit. A general w to wnw mvmt exp through t+18 according to nwp. Evans.

Original Message :

Received FVXX20 at 05:24 UTC, 24/08/26 from KNES
VA ADVISORY
DTG: 20260824/0454Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/991
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 24/0430Z
EST VA CLD: SFC/FL140 N1434 W09101 - N1428 W09052 - N1426 W09052 - N1426 W09102 - N1434 W09101 MOV W 15KT
FCST VA CLD +6HR: 24/1030Z SFC/FL140 N1439 W09112 - N1428 W09051 - N1427 W09052 - N1430 W09115 - N1439 W09112
FCST VA CLD +12HR: 24/1630Z SFC/FL140 N1437 W09113 - N1429 W09052 - N1426 W09052 - N1428 W09115 - N1437 W09113
FCST VA CLD +18HR: 24/2230Z SFC/FL140 N1433 W09114 - N1428 W09052 - N1426 W09052 - N1424 W09114 - N1433 W09114
RMK: VA EMS NOT CRNTLY OBS ON STLT DUE TO WX CLD
CVR, HOWEVER EMS OBS ON WEBCAM MVG W FM SUMMIT. A
GEN W TO WNW MVMT EXP THRU T+18 ACCORDING TO NWP
MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260824/1100Z
Volcanic Ash Advisory issued on 2026-08-23 at 23:06 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash em likely.
  • Volcanic ash em observation earlier in webcam tho crntly webcam and satellite img obscured by heavy meteorological exp movement to w through t+18 hours. Bsd on past activity. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 23:09 UTC, 23/08/26 from KNES
VA ADVISORY
DTG: 20260823/2306Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/990
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM LKLY
EST VA DTG: 23/2230Z
EST VA CLD: SFC/FL140 N1434 W09110 - N1428 W09052 - N1428 W09052 - N1429 W09111 - N1434 W09110 MOV W 15KT
FCST VA CLD +6HR: 24/0430Z SFC/FL140 N1431 W09113 - N1428 W09052 - N1428 W09052 - N1427 W09113 - N1431 W09113
FCST VA CLD +12HR: 24/1030Z SFC/FL140 N1435 W09112 - N1428 W09052 - N1427 W09052 - N1431 W09114 - N1435 W09112
FCST VA CLD +18HR: 24/1630Z SFC/FL140 N1431 W09113 - N1428 W09052 - N1428 W09052 - N1426 W09113 - N1431 W09113
RMK: VA EM OBS EARLIER IN WEBCAM THO CRNTLY
WEBCAM AND STLT IMG OBSCD BY HVY MET CLDS. EXP
MOVEMENT TO W THRU T+18 HRS. FL BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260824/0500Z
Volcanic Ash Advisory issued on 2026-08-23 at 17:09 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash em.
  • Volcanic ash em observation in webcam and in satellite img moving w at apx 25 nmi from summit. Exp w to wnw movement through t+18 hours with medium confd due to diff in observation volcanic ash direction and model bsd on past activity. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 17:12 UTC, 23/08/26 from KNES
VA ADVISORY
DTG: 20260823/1709Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/989
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM
OBS VA DTG: 23/1630Z
OBS VA CLD: SFC/FL140 N1431 W09116 - N1428 W09052 - N1427 W09052 - N1425 W09116 - N1431 W09116 MOV W 15KT
FCST VA CLD +6HR: 23/2230Z SFC/FL140 N1437 W09116 - N1429 W09052 - N1427 W09052 - N1430 W09118 - N1437 W09116
FCST VA CLD +12HR: 24/0430Z SFC/FL140 N1429 W09052 - N1428 W09052 - N1422 W09118 - N1428 W09119 - N1429 W09052
FCST VA CLD +18HR: 24/1030Z SFC/FL140 N1437 W09117 - N1428 W09052 - N1427 W09052 - N1431 W09119 - N1437 W09117
RMK: VA EM OBS IN WEBCAM AND IN STLT IMG MOVING W
AT APX 25 NMI FM SUMMIT. EXP W TO WNW MOVEMENT
THRU T+18 HRS WITH MED CONFD DUE TO DIFF IN OBS
VA DIR AND MDL WINDS. FL BSD ON PAST ACTIVITY.
FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260823/2315Z
Volcanic Ash Advisory issued on 2026-08-23 at 11:09 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img up to apprx 22nm from summit. Volcanic ash emission seen in webcam. Nwp model guidance forecast general w to wnw movement through t+18. Monaghan.

Original Message :

Received FVXX20 at 11:11 UTC, 23/08/26 from KNES
VA ADVISORY
DTG: 20260823/1109Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/988
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 23/1040Z
OBS VA CLD: SFC/FL140 N1435 W09114 - N1428 W09052 - N1426 W09052 - N1431 W09114 - N1435 W09114 MOV NW 15KT
FCST VA CLD +6HR: 23/1630Z SFC/FL140 N1438 W09115 - N1429 W09052 - N1426 W09052 - N1431 W09117 - N1438 W09115
FCST VA CLD +12HR: 23/2230Z SFC/FL140 N1435 W09116 - N1429 W09052 - N1426 W09052 - N1428 W09117 - N1435 W09116
FCST VA CLD +18HR: 24/0430Z SFC/FL140 N1436 W09117 - N1429 W09052 - N1426 W09052 - N1428 W09117 - N1436 W09117
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 22NM FM
SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE
FCSTS GEN W TO WNW MOVMT THRU T+18. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260823/1715Z
Volcanic Ash Advisory issued on 2026-08-23 at 05:25 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 10nm southwest from summit. W mvmt exp by t+6. Forecast based on satellite and model forecast confidence low. Gatling.

Original Message :

Received FVXX20 at 05:27 UTC, 23/08/26 from KNES
VA ADVISORY
DTG: 20260823/0525Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/987
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
OBS VA DTG: 23/0450Z
OBS VA CLD: SFC/FL140 N1428 W09052 - N1428 W09052 - N1424 W09052 - N1423 W09057 - N1428 W09056 - N1428 W09052 MOV SW 10KT
FCST VA CLD +6HR: 23/1100Z SFC/FL140 N1432 W09102 - N1428 W09052 - N1428 W09052 - N1429 W09102 - N1432 W09102
FCST VA CLD +12HR: 23/1700Z SFC/FL140 N1431 W09102 - N1428 W09052 - N1428 W09052 - N1427 W09102 - N1431 W09102
FCST VA CLD +18HR: 23/2300Z SFC/FL140 N1432 W09102 - N1428 W09052 - N1428 W09053 - N1428 W09102 - N1432 W09102
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
10NM SW FM SUMMIT. W MVMT EXP BY T+6. FCST BASED
ON STLT AND MDL WINDS. FCST CONFIDENCE LOW.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260823/1130Z
Volcanic Ash Advisory issued on 2026-08-22 at 23:23 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 to wnw to nw through t+18hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 23:27 UTC, 22/08/26 from KNES
VA ADVISORY
DTG: 20260822/2323Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/986
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 22/2250Z
OBS VA CLD: SFC/FL140 N1500 W09149 - N1428 W09052 - N1433 W09206 - N1500 W09149 MOV W 10KT
FCST VA CLD +6HR: 23/0500Z SFC/FL140 N1507 W09113 - N1428 W09052 - N1448 W09137 - N1507 W09113
FCST VA CLD +12HR: 23/1100Z SFC/FL140 N1507 W09107 - N1428 W09053 - N1454 W09134 - N1507 W09107
FCST VA CLD +18HR: 23/1700Z SFC/FL140 N1511 W09053 - N1428 W09053 - N1504 W09131 - N1511 W09053
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W TO WNW TO NW THRU T+18HRS BEFORE
DISP. VO ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260823/0530Z
Volcanic Ash Advisory issued on 2026-08-22 at 17:32 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 17:35 UTC, 22/08/26 from KNES
VA ADVISORY
DTG: 20260822/1732Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/985
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 22/1700Z
OBS VA CLD: SFC/FL140 N1459 W09149 - N1428 W09052 - N1426 W09202 - N1459 W09149 MOV W 10KT
FCST VA CLD +6HR: 22/2300Z SFC/FL140 N1504 W09150 - N1427 W09052 - N1432 W09206 - N1504 W09150
FCST VA CLD +12HR: 23/0500Z SFC/FL140 N1516 W09148 - N1428 W09052 - N1437 W09207 - N1516 W09148
FCST VA CLD +18HR: 23/1100Z SFC/FL140 N1524 W09147 - N1428 W09052 - N1443 W09208 - N1524 W09147
RMK: CONT DENSE VA EMS OBS MOV W IN STLT IMAGERY.
VA FCST TO CONT W TO WNW MOV THRU T+18HRS BEFORE
DISP. VO ACT HIGH. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20260822/2330Z
Volcanic Ash Advisory issued on 2026-08-22 at 11:38 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation on satellite dispersing general w from summit rchng apprx 40 nm. Frqt emission to around flight level 140 (4200m).

Original Message :

Received FVXX20 at 11:40 UTC, 22/08/26 from KNES
VA ADVISORY
DTG: 20260822/1138Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/984
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 22/1110Z
OBS VA CLD: SFC/FL140 N1444 W09128 - N1429 W09052 - N1426 W09052 - N1427 W09135 - N1444 W09128 MOV W 10KT
FCST VA CLD +6HR: 22/1700Z SFC/FL140 N1444 W09146 - N1429 W09052 - N1427 W09052 - N1422 W09147 - N1444 W09146
FCST VA CLD +12HR: 22/2300Z SFC/FL140 N1438 W09126 - N1429 W09052 - N1427 W09051 - N1425 W09127 - N1438 W09126
FCST VA CLD +18HR: 23/0500Z SFC/FL140 N1444 W09122 - N1429 W09052 - N1426 W09051 - N1431 W09126 - N1444 W09122
RMK: VA EMS OBS ON STLT DISPERSING GEN W FM
SUMMIT RCHNG APPRX 40 NM. FRQT EMS TO ARND FL140
OBS ON WEBCAM. A GEN W TO WNW MVMT EXP THRU T+18
ACCORDING TO NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260822/1745Z
Volcanic Ash Advisory issued on 2026-08-22 at 07:23 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 10nm w from summit. W mvmt exp through t+12. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 07:26 UTC, 22/08/26 from KNES
VA ADVISORY
DTG: 20260822/0723Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/983
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 22/0650Z
OBS VA CLD: SFC/FL140 N1431 W09102 - N1428 W09053 - N1428 W09052 - N1428 W09103 - N1431 W09102 MOV W 5KT
FCST VA CLD +6HR: 22/1300Z SFC/FL140 N1431 W09102 - N1428 W09053 - N1428 W09052 - N1428 W09103 - N1431 W09102
FCST VA CLD +12HR: 22/1900Z SFC/FL140 N1431 W09102 - N1428 W09052 - N1428 W09052 - N1428 W09103 - N1431 W09102
FCST VA CLD +18HR: 23/0100Z SFC/FL140 N1428 W09053 - N1428 W09052 - N1424 W09102 - N1427 W09103 - N1428 W09053
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
10NM W FM SUMMIT. W MVMT EXP THRU T+12. FCST
BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260822/1330Z
Volcanic Ash Advisory issued on 2026-08-22 at 01:23 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 15nm wnw from summit. W mvmt exp by t+12. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 01:26 UTC, 22/08/26 from KNES
VA ADVISORY
DTG: 20260822/0123Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/982
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
OBS VA DTG: 22/0050Z
OBS VA CLD: SFC/FL140 N1436 W09100 - N1428 W09052 - N1428 W09052 - N1434 W09108 - N1436 W09100 MOV W 10KT
FCST VA CLD +6HR: 22/0700Z SFC/FL140 N1434 W09108 - N1428 W09053 - N1428 W09052 - N1429 W09109 - N1434 W09108
FCST VA CLD +12HR: 22/1300Z SFC/FL140 N1433 W09108 - N1428 W09052 - N1428 W09053 - N1428 W09109 - N1433 W09108
FCST VA CLD +18HR: 22/1900Z SFC/FL140 N1432 W09108 - N1428 W09053 - N1428 W09052 - N1428 W09109 - N1432 W09108
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
15NM WNW FM SUMMIT. W MVMT EXP BY T+12. FCST
BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260822/0730Z
Volcanic Ash Advisory issued on 2026-08-21 at 19:34 UTC.

    Key information extracted from original VAA message :


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

Original Message :

Received FVXX20 at 19:36 UTC, 21/08/26 from KNES
VA ADVISORY
DTG: 20260821/1934Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/981
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 21/1910Z
OBS VA CLD: SFC/FL140 N1434 W09111 - N1428 W09052 - N1428 W09053 - N1426 W09110 - N1434 W09111 MOV W 10KT
FCST VA CLD +6HR: 22/0100Z SFC/FL140 N1434 W09113 - N1428 W09053 - N1428 W09053 - N1425 W09113 - N1434 W09113
FCST VA CLD +12HR: 22/0700Z SFC/FL140 N1434 W09113 - N1429 W09053 - N1428 W09053 - N1425 W09113 - N1434 W09113
FCST VA CLD +18HR: 22/1300Z SFC/FL140 N1434 W09113 - N1429 W09053 - N1428 W09053 - N1425 W09113 - N1434 W09113
RMK: THIN VA PLUME DETECTED ON STLT MOVG W OF
SUMMIT. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260822/0130Z
Volcanic Ash Advisory issued on 2026-08-21 at 13:41 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash plume obsd.
  • Volcanic ash plume obsd on satellite img. Fqnt emission seen on webcam. Nwp model forecast volcanic ash emission general southwest movement through t+12, then volcanic ash emission movement nw through t+18. Estd from webcam. Butler.

Original Message :

Received FVXX20 at 13:43 UTC, 21/08/26 from KNES
VA ADVISORY
DTG: 20260821/1341Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/980
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA PLUME OBSD
OBS VA DTG: 21/1250Z
OBS VA CLD: SFC/FL135 N1437 W09137 - N1423 W09105 - N1429 W09053 - N1426 W09050 - N1419 W09104 - N1431 W09140 - N1437 W09137 MOV SW 15KT
FCST VA CLD +6HR: 21/1900Z SFC/FL135 N1429 W09053 - N1426 W09050 - N1410 W09104 - N1419 W09150 - N1428 W09148 - N1417 W09108 - N1429 W09053
FCST VA CLD +12HR: 22/0100Z SFC/FL135 N1429 W09053 - N1428 W09051 - N1356 W09132 - N1404 W09139 - N1429 W09053
FCST VA CLD +18HR: 22/0700Z SFC/FL135 N1501 W09139 - N1429 W09053 - N1425 W09053 - N1453 W09144 - N1501 W09139
RMK: VA PLUME OBSD ON STLT IMG. FQNT EMS SEEN ON
WEBCAM. NWP MDL FCST VA EMS GEN SW MOVMT THRU
T+12, THEN VA EMS MOVMT NW THRU T+18. FL ESTD
FROM WEBCAM. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260821/1945Z
Volcanic Ash Advisory issued on 2026-08-21 at 10:29 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Continuous volcanic ash emission obsd on satellite going nw. Nwp models forecast general nw to wsw movement through t+18. Butler.

Original Message :

Received FVXX20 at 10:31 UTC, 21/08/26 from KNES
VA ADVISORY
DTG: 20260821/1029Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/979
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 21/0940Z
OBS VA CLD: SFC/FL140 N1440 W09104 - N1428 W09052 - N1426 W09052 - N1435 W09108 - N1440 W09104 MOV NW 20KT
FCST VA CLD +6HR: 21/1530Z SFC/FL140 N1439 W09108 - N1428 W09052 - N1426 W09052 - N1435 W09111 - N1439 W09108
FCST VA CLD +12HR: 21/2130Z SFC/FL140 N1428 W09052 - N1426 W09052 - N1422 W09112 - N1427 W09113 - N1428 W09052
FCST VA CLD +18HR: 22/0330Z SFC/FL140 N1435 W09113 - N1428 W09052 - N1427 W09053 - N1429 W09113 - N1435 W09113
RMK: CONS VA EMS OBSD ON STLT GOING NW. NWP MDLS
FCST GEN NW TO WSW MOVMT THRU T+18. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260821/1630Z
Volcanic Ash Advisory issued on 2026-08-21 at 04:42 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission.
  • Volcanic ash emission observation in webcam and satellite img ext approximate 20nm w from summit. A general w mvmt exp through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 04:44 UTC, 21/08/26 from KNES
VA ADVISORY
DTG: 20260821/0442Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/978
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
OBS VA DTG: 21/0410Z
OBS VA CLD: SFC/FL140 N1428 W09052 - N1428 W09052 - N1425 W09110 - N1428 W09110 - N1428 W09052 MOV W 25KT
FCST VA CLD +6HR: 21/1000Z SFC/FL140 N1430 W09110 - N1428 W09052 - N1428 W09052 - N1427 W09110 - N1430 W09110
FCST VA CLD +12HR: 21/1600Z SFC/FL140 N1432 W09107 - N1428 W09053 - N1428 W09052 - N1429 W09108 - N1432 W09107
FCST VA CLD +18HR: 21/2200Z SFC/FL140 N1428 W09052 - N1428 W09052 - N1422 W09105 - N1425 W09107 - N1428 W09052
RMK: VA EMS OBS IN WEBCAM AND STLT IMG EXT APRX
20NM W FM SUMMIT. A GEN W MVMT EXP THRU T+18.
FCST BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20260821/1045Z
Volcanic Ash Advisory issued on 2026-08-20 at 22:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Thin volcanic ash plume detected on satellite moving wsw of summit. Ltlchg forecast in model winds at next 18 hour. Konon.

Original Message :

Received FVXX20 at 22:44 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260820/2240Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/977
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 20/2220Z
OBS VA CLD: SFC/FL140 N1428 W09052 - N1428 W09052 - N1419 W09134 - N1427 W09134 - N1428 W09052 MOV W 20KT
FCST VA CLD +6HR: 21/0430Z SFC/FL140 N1432 W09140 - N1429 W09053 - N1428 W09053 - N1419 W09139 - N1432 W09140
FCST VA CLD +12HR: 21/1030Z SFC/FL140 N1431 W09127 - N1429 W09053 - N1428 W09053 - N1421 W09126 - N1431 W09127
FCST VA CLD +18HR: 21/1630Z SFC/FL140 N1431 W09122 - N1428 W09053 - N1428 W09053 - N1422 W09121 - N1431 W09122
RMK: THIN VA PLUME DETECTED ON STLT MOVG WSW OF
SUMMIT. LTLCHG FCST IN MDL WINDS AT FL NXT 18 HR.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260821/0445Z
Volcanic Ash Advisory issued on 2026-08-20 at 16:51 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash detected on satellite moving w of summit. Webcam shows frequent volcanic ash emission. No change forecast to model winds at.

Original Message :

Received FVXX20 at 16:54 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260820/1651Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/976
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 20/1630Z
OBS VA CLD: SFC/FL140 N1436 W09112 - N1428 W09053 - N1428 W09052 - N1426 W09112 - N1436 W09112 MOV W 20KT
FCST VA CLD +6HR: 20/2230Z SFC/FL140 N1436 W09112 - N1428 W09053 - N1428 W09052 - N1426 W09112 - N1436 W09112
FCST VA CLD +12HR: 21/0430Z SFC/FL140 N1436 W09112 - N1429 W09053 - N1428 W09053 - N1426 W09112 - N1436 W09112
FCST VA CLD +18HR: 21/1030Z SFC/FL140 N1436 W09112 - N1428 W09052 - N1428 W09053 - N1426 W09112 - N1436 W09112
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT. WEBCAM
SHOWS FQT VA EMS. NO CHG FCST TO MDL WINDS AT FL
NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260820/2245Z
Volcanic Ash Advisory issued on 2026-08-20 at 11:06 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission possible.
  • Volcanic ash emission not observation in satellite img due to meteorological volcanic ash emission possibly contng based on prev activity. Nwp model guidance forecast general w movement through t+6. Butler.

Original Message :

Received FVXX20 at 11:10 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260820/1106Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/975
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS PSBL
EST VA DTG: 20/1050Z
EST VA CLD: SFC/FL140 N1434 W09104 - N1429 W09052 - N1426 W09053 - N1426 W09104 - N1434 W09104 MOV NW 20KT
FCST VA CLD +6HR: 20/1700Z SFC/FL140 N1431 W09106 - N1429 W09053 - N1426 W09052 - N1423 W09105 - N1431 W09106
FCST VA CLD +12HR: 20/2300Z NO VA EXP
FCST VA CLD +18HR: 21/0500Z NO VA EXP
RMK: VA EMS NOT OBS IN STLT IMG DUE TO MET CLDS.
VA EMS PSBLY CONTNG BASED ON PREV ACTIVITY. NWP
MDL GUIDANCE FCSTS GEN W MOVMT THRU T+6. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260820/1700Z
Volcanic Ash Advisory issued on 2026-08-20 at 05:09 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not obsd in satellite img possibly due to meteorological volcanic ash emission may be obscured. Wnw mvmt exp to shift more w by t+12 hours. Mvmt and height based on nwp. Bertalan.

Original Message :

Received FVXX20 at 05:12 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260820/0509Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/974
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 20/0440Z
EST VA CLD: SFC/FL140 N1432 W09059 - N1428 W09052 - N1428 W09053 - N1428 W09101 - N1432 W09059 MOV NW 20KT
FCST VA CLD +6HR: 20/1030Z SFC/FL140 N1434 W09104 - N1428 W09052 - N1428 W09053 - N1429 W09105 - N1434 W09104
FCST VA CLD +12HR: 20/1630Z SFC/FL140 N1432 W09104 - N1429 W09053 - N1427 W09053 - N1426 W09105 - N1432 W09104
FCST VA CLD +18HR: 20/2230Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO MET
CLDS. VA EMS MAY BE OBSCD. WNW MVMT EXP TO SHIFT
MORE W BY T+12 HRS. MVMT AND HGT BASED ON NWP
MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260820/1115Z
Volcanic Ash Advisory issued on 2026-08-19 at 23:03 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected on satellite due to thick 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 23:06 UTC, 19/08/26 from KNES
VA ADVISORY
DTG: 20260819/2303Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/973
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 19/2240Z
EST VA CLD: SFC/FL140 N1434 W09111 - N1428 W09052 - N1428 W09052 - N1426 W09111 - N1434 W09111 MOV W 20KT
FCST VA CLD +6HR: 20/0430Z SFC/FL140 N1435 W09111 - N1429 W09053 - N1428 W09052 - N1426 W09111 - N1435 W09111
FCST VA CLD +12HR: 20/1030Z SFC/FL140 N1435 W09111 - N1429 W09052 - N1428 W09053 - N1426 W09111 - N1435 W09111
FCST VA CLD +18HR: 20/1630Z SFC/FL140 N1434 W09111 - N1429 W09053 - N1428 W09053 - N1426 W09111 - N1434 W09111
RMK: VA NOT DETECTED ON STLT DUE TO THK 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 20260820/0515Z
Volcanic Ash Advisory issued on 2026-08-19 at 17:24 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash detected on satellite moving w of summit. Vona indicates frequent volcanic ash emission. Ltlchg in model winds at.

Original Message :

Received FVXX20 at 17:28 UTC, 19/08/26 from KNES
VA ADVISORY
DTG: 20260819/1724Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/972
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 19/1700Z
OBS VA CLD: SFC/FL150 N1429 W09116 - N1428 W09053 - N1427 W09052 - N1420 W09114 - N1429 W09116 MOV W 20KT
FCST VA CLD +6HR: 19/2300Z SFC/FL150 N1431 W09124 - N1428 W09053 - N1428 W09053 - N1419 W09124 - N1431 W09124
FCST VA CLD +12HR: 20/0500Z SFC/FL150 N1432 W09124 - N1428 W09052 - N1427 W09053 - N1422 W09124 - N1432 W09124
FCST VA CLD +18HR: 20/1100Z SFC/FL150 N1432 W09124 - N1428 W09053 - N1428 W09053 - N1422 W09123 - N1432 W09124
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT. VONA
INDICATES FQT VA EMS. LTLCHG IN MDL WINDS AT FL
NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260819/2330Z
Volcanic Ash Advisory issued on 2026-08-19 at 11:30 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission likely.
  • Volcanic ash emission not observation on satellite due to weather cloud cover. Incandescence noted in webcam suggest volcanic ash emission ongoing. Nwp models suggest volcanic ash mvmt general toward the w through t+6, with mvmt toward the wsw to wnw exp through t+18. Evans.

Original Message :

Received FVXX20 at 13:52 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260819/1130Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/971
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS LIKELY
EST VA DTG: 19/1100Z
EST VA CLD: SFC/FL140 N1432 W09102 - N1429 W09052 - N1427 W09053 - N1426 W09103 - N1432 W09102 MOV W 20KT
W 20KT
FCST VA CLD +6HR: 19/1700Z SFC/FL140 N1433 W09114 - N1429 W09052 - N1427 W09052 - N1424 W09114 - N1433 W09114
N1433 W09114
FCST VA CLD +12HR: 19/2300Z SFC/FL140 N1429 W09114 - N1429 W09052 - N1427 W09052 - N1420 W09113 - N1429 W09114
W09113 - N1429 W09114
FCST VA CLD +18HR: 20/0500Z SFC/FL140 N1438 W09110 - N1429 W09052 - N1427 W09052 - N1430 W09113 - N1438 W09110
W09113 - N1438 W09110
RMK: VA EMS NOT OBS ON STLT DUE TO WX CLD CVR.
INCANDESCENCE NOTED IN WEBCAM SUG VA EMS ONGOING.
NWP MDLS SUG VA MVMT GEN TWD THE W THRU T+6, WITH
MVMT TWD THE WSW TO WNW EXP THRU T+18. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260819/1730Z
Volcanic Ash Advisory issued on 2026-08-19 at 05:38 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not obsd in satellite img possibly due to meteorological volcanic ash emission may be obscured. A more wsw mvmt exp by t+12 hours. Mvmt and height based on nwp. Bertalan.

Original Message :

Received FVXX20 at 05:41 UTC, 19/08/26 from KNES
VA ADVISORY
DTG: 20260819/0538Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/970
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 19/0500Z
EST VA CLD: SFC/FL140 N1430 W09102 - N1429 W09053 - N1428 W09053 - N1426 W09102 - N1430 W09102 MOV W 20KT
FCST VA CLD +6HR: 19/1100Z SFC/FL140 N1431 W09107 - N1428 W09052 - N1428 W09053 - N1425 W09107 - N1431 W09107
FCST VA CLD +12HR: 19/1700Z SFC/FL140 N1429 W09107 - N1428 W09052 - N1428 W09052 - N1423 W09106 - N1429 W09107
FCST VA CLD +18HR: 19/2300Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO MET
CLDS. VA EMS MAY BE OBSCD. A MORE WSW MVMT EXP BY
T+12 HRS. MVMT AND HGT BASED ON NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260819/1145Z
Volcanic Ash Advisory issued on 2026-08-19 at 00:07 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash not detected due to thick 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 00:10 UTC, 19/08/26 from KNES
VA ADVISORY
DTG: 20260819/0007Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/969
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 18/2350Z
EST VA CLD: SFC/FL140 N1428 W09053 - N1428 W09052 - N1416 W09125 - N1426 W09126 - N1428 W09053 MOV W 20KT
FCST VA CLD +6HR: 19/0600Z SFC/FL140 N1435 W09122 - N1428 W09053 - N1427 W09052 - N1424 W09122 - N1435 W09122
FCST VA CLD +12HR: 19/1200Z SFC/FL140 N1435 W09118 - N1428 W09053 - N1428 W09053 - N1425 W09119 - N1435 W09118
FCST VA CLD +18HR: 19/1800Z SFC/FL140 N1434 W09118 - N1428 W09053 - N1428 W09053 - N1425 W09118 - N1434 W09118
RMK: VA NOT DETECTED DUE TO THK 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 20260819/0600Z
Volcanic Ash Advisory issued on 2026-08-18 at 18:18 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Correction for at 18 hour. Thin volcanic ash plume detected on satellite moving southwest of summit to pacific coast. Model winds at forecast to veer by t+12 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 18:21 UTC, 18/08/26 from KNES
VA ADVISORY -CORRECTION
DTG: 20260818/1818Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/968
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 18/1730Z
OBS VA CLD: SFC/FL140 N1428 W09053 - N1427 W09053 - N1407 W09139 - N1419 W09152 - N1428 W09053 MOV SW 20KT
FCST VA CLD +6HR: 18/2330Z SFC/FL140 N1428 W09053 - N1428 W09052 - N1410 W09139 - N1423 W09149 - N1428 W09053
FCST VA CLD +12HR: 19/0530Z SFC/FL140 N1435 W09133 - N1428 W09053 - N1428 W09052 - N1423 W09133 - N1435 W09133
FCST VA CLD +18HR: 19/1130Z SFC/FL140 N1435 W09132 - N1428 W09053 - N1428 W09053 - N1423 W09133 - N1435 W09132
RMK: COR FOR FL AT 18 HR. THIN VA PLUME DETECTED
ON STLT MOVG SW OF SUMMIT TO PACIFIC COAST. MDL
WINDS AT FL FCST TO VEER BY T+12 HR BECMG MORE FM
THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260819/0015Z
Volcanic Ash Advisory issued on 2026-08-18 at 11:56 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Multiple volcanic ash clouds obsd by satellite extending to over 40 nmi w of summit. Estd from nwp nwp models forecast volcanic ash to move sw-wsw by t+6 then wsw at t+12 and back to wnw by t+18. Hosley.

Original Message :

Received FVXX20 at 11:59 UTC, 18/08/26 from KNES
VA ADVISORY
DTG: 20260818/1156Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/967
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 18/1130Z
OBS VA CLD: SFC/FL140 N1437 W09133 - N1429 W09052 - N1427 W09052 - N1429 W09134 - N1437 W09133 MOV W 30KT
FCST VA CLD +6HR: 18/1730Z SFC/FL140 N1429 W09052 - N1428 W09052 - N1402 W09133 - N1414 W09138 - N1429 W09052
FCST VA CLD +12HR: 18/2330Z SFC/FL140 N1429 W09052 - N1426 W09052 - N1410 W09137 - N1423 W09140 - N1429 W09052
FCST VA CLD +18HR: 19/0530Z SFC/FL140 N1440 W09139 - N1429 W09052 - N1427 W09052 - N1429 W09140 - N1440 W09139
RMK: MULT VA CLDS OBSD BY STLT EXTDG TO OVR 40
NMI W OF SUMMIT. FL ESTD FM NWP MDLS. NWP MDLS
FCST VA TO MOV SW-WSW BY T+6 THEN WSW AT T+12 AND
BACK TO WNW BY T+18. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20260818/1800Z
Volcanic Ash Advisory issued on 2026-08-18 at 07:24 UTC.

    Key information extracted from original VAA message :


  • Continuing volcanic ash emission.
  • Webcam shows continuing light volcanic ash em activity. Volcanic ash not observation in satellite with intermittent meteorological cloud obscn. Observation volcanic ash area estd from nwp models and prev vaa. Little change forecast in mvmt through t+12 hours. Clark.

Original Message :

Received FVXX20 at 07:26 UTC, 18/08/26 from KNES
VA ADVISORY
DTG: 20260818/0724Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/966
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
EST VA DTG: 18/0700Z
EST VA CLD: SFC/FL140 N1432 W09114 - N1429 W09052 - N1428 W09052 - N1426 W09114 - N1432 W09114 MOV W 250KT
FCST VA CLD +6HR: 18/1300Z SFC/FL140 N1434 W09114 - N1429 W09052 - N1428 W09052 - N1426 W09116 - N1434 W09114
FCST VA CLD +12HR: 18/1900Z SFC/FL140 N1434 W09116 - N1429 W09052 - N1428 W09053 - N1426 W09116 - N1434 W09116
FCST VA CLD +18HR: 19/0100Z NO VA EXP
RMK: WEBCAM SHOWS CONTG LGT VA EM ACT. VA NOT OBS
IN SAT WITH INTMT MET CLD OBSCN. OBS VA AREA ESTD
FM NWP MDLS AND PREV VAA. LTLCG FCST IN FL MVMT
THRU T+12 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260818/1330Z
Volcanic Ash Advisory issued on 2026-08-18 at 01:34 UTC.

    Key information extracted from original VAA message :


  • Possible continuing volcanic ash emission.
  • Volcanic ash not observation in satellite due to meteorological cloud of summit area. Occasional volcanic ash emission observation in webcam. Observation volcanic ash area estd from nwp models and prev vaa. Little change forecast in mvmt through t+12 hours. Clark.

Original Message :

Received FVXX20 at 01:36 UTC, 18/08/26 from KNES
VA ADVISORY
DTG: 20260818/0134Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/965
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: PSBL CONTG VA EMS.
EST VA DTG: 18/0110Z
EST VA CLD: SFC/FL140 N1434 W09118 - N1429 W09052 - N1428 W09052 - N1426 W09119 - N1434 W09118 MOV W 20KT
FCST VA CLD +6HR: 18/0700Z SFC/FL140 N1437 W09116 - N1429 W09052 - N1428 W09052 - N1429 W09118 - N1437 W09116
FCST VA CLD +12HR: 18/1300Z SFC/FL140 N1436 W09118 - N1429 W09052 - N1428 W09052 - N1428 W09119 - N1436 W09118
FCST VA CLD +18HR: 18/1900Z NO VA EXP
RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN OF
SUMMIT AREA. OCNL VA EMS OBS IN WEBCAM. OBS VA
AREA ESTD FM NWP MDLS AND PREV VAA. LTLCG FCST IN
FL MVMT THRU T+12 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260818/0730Z
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