Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows:
FVXX21 at 22:43 UTC, 16/11/25 from KNES
VA ADVISORY
DTG: 20251116/2241Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2025/863
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 16/2200Z
OBS VA CLD: SFC/FL190 S0159 W07820 – S0202 W07819
– S0216 W07836 – S0207 W07842 – S0159 W07820 MOV
SW 5KT
FCST VA CLD +6HR: 17/0400Z SFC/FL190 S0159 W07820
– S0202 W07818 – S0225 W07837 – S0216 W07846 –
S0159 W07820
FCST VA CLD +12HR: 17/1000Z SFC/FL190 S0159
W07820 – S0202 W07819 – S0218 W07845 – S0206
W07852 – S0159 W07820
FCST VA CLD +18HR: 17/1600Z NO VA EXP
RMK: VONA RCVD FOR VA EM MOVNG SW FM SUMMIT. VA
ALSO OBS IN WEBCAM AND STLT IMG MOVNG SW.
EXP WSW MOVNT THRU T+12 HRS. FL BSD ON VONA. FCST
BSD ON NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20251117/0445Z