FVXX20 KNES 251935
VA ADVISORY
DTG: 20210525/1935Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/513

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. 

ERUPTION DETAILS: VA CLDS CONT OBS IN STLT IMAGERY

OBS VA DTG: 25/1850Z

OBS VA CLD: SFC/FL180 S0154 W07844 - S0158 W07819
- S0203 W07820 - S0206 W07844 - S0154 W07844 MOV
W 10KT SFC/FL220 S0159 W07818 - S0222 W07744 -
S0239 W07808 - S0204 W07823 - S0159 W07818 MOV SE
5KT 

FCST VA CLD +6HR: 26/0100Z SFC/FL180 S0153 W07846
- S0158 W07819 - S0204 W07819 - S0207 W07846 -
S0153 W07846 SFC/FL220 S0158 W07820 - S0159
W07741 - S0225 W07743 - S0204 W07820 - S0158
W07820 

FCST VA CLD +12HR: 26/0700Z SFC/FL180 NO VA
EXPSFC/FL220 S0200 W07821 - S0203 W07816 - S0237
W07814 - S0226 W07845 - S0200 W07821 

FCST VA CLD +18HR: 26/1300Z NO VA EXP

RMK: LL VA CLDS WITH STEAM/GAS EMS OBS IN STLT
MOVG W FM SUMMIT EXP DISP BY T+12. HL VA CLDS OBS
MOVG SE FM SUMMIT IN STLT EXP MOVG E BY T+6 THEN
SHIFT TO SW BY T+12. VA CLDS EXP DISP BY T+18. VA
HGT/DIR FM STLT AND VA FCST FM NWP MDLS.
...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210526/0130Z