Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 19500 ft (5900 m), or flight level 195.
Original VAAC bulletin:
FVXX23 at 23:08 UTC, 09/10/26 from KNES
VA ADVISORY
DTG: 20261009/2306Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SOURCE ELEV: 17342 FT AMSL
ADVISORY NR: 2026/663
INFO SOURCE: GOES-19. VONA. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS OBS
OBS VA DTG: 09/2240Z
OBS VA CLD: SFC/FL195 S0200 W07820 - S0201 W07820
- S0202 W07823 - S0200 W07824 - S0200 W07820 MOV
SW 5KT
FCST VA CLD +6HR: 10/0430Z SFC/FL195 S0159 W07820
- S0201 W07820 - S0205 W07836 - S0202 W07837 -
S0159 W07820
FCST VA CLD +12HR: 10/1030Z NO VA EXP
FCST VA CLD +18HR: 10/1630Z NO VA EXP
RMK: VONA RCVD RPRTNG VA EMS UP TO FL195. LGT VA
EMS OBS IN STLT IMG MOVNG SW IN THE SUMMIT AREA.
LGT VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE FCSTS
GEN WSW MOVMT THRU T+6. HGT BASED ON VONA AND
WEBCAM. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20261010/0500Z