FVXX21 KNES 181732
VA ADVISORY
DTG: 20211218/1732Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/1100

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: POSS VA EMS

OBS VA DTG: 18/1710Z

OBS VA CLD: SFC/FL200 S0149 W07906 - S0157 W07818
- S0205 W07818 - S0210 W07905 - S0149 W07906 MOV
W 15KT 

FCST VA CLD +6HR: 18/2300Z SFC/FL200 S0146 W07917
- S0157 W07819 - S0204 W07819 - S0213 W07917 -
S0146 W07917 

FCST VA CLD +12HR: 19/0500Z NO VA EXP

FCST VA CLD +18HR: 19/1100Z NO VA EXP

RMK: POSS VA EMS MOVG W FM SUMMIT. VA NOT OBS IN
SAT DATA DUE TO WX CLD COVER. NWP MDLS FCST VA TO
CONT MOVG W OR WSW THRU T+6. ...TUGGLE

NXT ADVISORY: WILL BE ISSUED BY 20211218/2330Z