Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin:
FVXX25 at 23:44 UTC, 26/09/26 from KNES
VA ADVISORY
DTG: 20260926/2341Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SOURCE ELEV: 17342 FT AMSL
ADVISORY NR: 2026/615
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS CONT
OBS VA DTG: 26/2310Z
OBS VA CLD: SFC/FL200 S0155 W07852 - S0159 W07819
- S0201 W07820 - S0205 W07852 - S0155 W07852 MOV
W 10KT
FCST VA CLD +6HR: 27/0500Z SFC/FL200 S0155 W07904
- S0159 W07820 - S0201 W07819 - S0210 W07903 -
S0155 W07904
FCST VA CLD +12HR: 27/1100Z SFC/FL200 S0156
W07904 - S0159 W07820 - S0201 W07819 - S0209
W07902 - S0156 W07904
FCST VA CLD +18HR: 27/1700Z SFC/FL200 S0153
W07903 - S0159 W07819 - S0201 W07820 - S0207
W07902 - S0153 W07903
RMK: VA EMS OBS ON STLT MVG W APPRX 35 NM FM
SUMMIT. VA PSBLY SEEN ON WEBCAM BETWEEN WX CLDS.
A GEN W TO WSW MVMT EXP THRU T+18. FL AND FCST
BASED ON NWP MDLS. ...EVANS
NXT ADVISORY: WILL BE ISSUED BY 20260927/0545Z