FVXX20 KNES 200633
VA ADVISORY
DTG: 20210420/0633Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/391

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

ERUPTION DETAILS: CONTG VA EMS WITH VA UP TO
FL250.

OBS VA DTG: 20/0610Z

OBS VA CLD: SFC/FL200 S0159 W07820 - S0201 W07819
- S0214 W07858 - S0204 W07859 - S0159 W07820 MOV
W 5KT SFC/FL250 S0149 W07828 - S0159 W07819 -
S0200 W07819 - S0201 W07830 - S0149 W07828 MOV NW
5KT 

FCST VA CLD +6HR: 20/1200Z SFC/FL200 S0159 W07820
- S0202 W07819 - S0214 W07909 - S0202 W07910 -
S0159 W07820 SFC/FL250 S0141 W07839 - S0159
W07819 - S0201 W07820 - S0159 W07846 - S0141
W07839 

FCST VA CLD +12HR: 20/1800Z SFC/FL200 S0152
W07908 - S0159 W07819 - S0201 W07819 - S0204
W07910 - S0152 W07908 SFC/FL250 NO VA EXP

FCST VA CLD +18HR: 21/0000Z NO VA EXP

RMK: NEW VA EM ESTD TO FL250 MOV NW 10 NM FM
SUMMIT. CONTG VA EMS TO FL200 MOV WSW EXT 40 NM
FM SUMMIT. WX CLDS MAY OBSC EXTENT OF FL200 VA.
WINDS EXP TO VEER SLIGHTLY AT BOTH FLS THRU T+12
HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210420/1230Z