Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows:
FVXX21 at 01:24 UTC, 20/03/26 from KNES
VA ADVISORY
DTG: 20260320/0123Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SOURCE ELEV: 17342 FT AMSL
ADVISORY NR: 2026/299
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA MOVG ESE
OBS VA DTG: 20/0050Z
OBS VA CLD: SFC/FL210 S0159 W07820 – S0205 W07752
– S0212 W07753 – S0202 W07821 – S0159 W07820 MOV
E 20KT
FCST VA CLD +6HR: 20/0700Z SFC/FL210 S0158 W07743
– S0212 W07744 – S0201 W07820 – S0159 W07820 –
S0158 W07743
FCST VA CLD +12HR: 20/1300Z SFC/FL210 S0153
W07759 – S0202 W07757 – S0202 W07820 – S0159
W07820 – S0153 W07759
FCST VA CLD +18HR: 20/1900Z SFC/FL210 S0159
W07820 – S0202 W07759 – S0214 W07804 – S0201
W07820 – S0159 W07820
RMK: VA EMS LIKELY OBS IN STLT IMAGERY MOVG APPRX
30NM ESE FM SUMMIT. RCNT VONA RPRT RCVD. VA FCST
THRU T+18 HRS BASED ON NWP MDL GUIDANCE.
…COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260320/0730Z