Overall Green Volcanic eruption for Fuego in Guatemala on 05 Aug 2026 08:09 UTC

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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.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

05 Aug 08:27

05/08 08:27 2026-907 WASHINGTON

05/08 02:44 2026-906 WASHINGTON

04/08 21:05 2026-905 WASHINGTON

04/08 15:11 2026-904 WASHINGTON

04/08 09:19 2026-903 WASHINGTON

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

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