Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVXX23 at 14:27 UTC, 21/12/25 from KNES
VA ADVISORY
DTG: 20251221/1424Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2025/698
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EM
OBS VA DTG: 21/1340Z
OBS VA CLD: SFC/FL150 N1428 W09052 – N1427 W09052
– N1419 W09111 – N1426 W09114 – N1428 W09052 MOV
W 10KT
FCST VA CLD +6HR: 21/1930Z SFC/FL150 N1428 W09052
– N1427 W09052 – N1413 W09115 – N1423 W09120 –
N1428 W09052
FCST VA CLD +12HR: 22/0130Z SFC/FL150 N1428
W09052 – N1427 W09052 – N1413 W09116 – N1423
W09120 – N1428 W09052
FCST VA CLD +18HR: 22/0730Z SFC/FL150 N1428
W09052 – N1427 W09051 – N1410 W09114 – N1422
W09119 – N1428 W09052
RMK: VA EM SEEN IN STLT IMG MOVNG WSW AT APX 20
NMI FM SUMMIT. EXP CONT WSW MOVNT THRU T+18 HRS.
FL AND FCST BSD ON NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20251221/2030Z