FVXX23 KNES 211147
VA ADVISORY
DTG: 20200421/1147Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2020/407

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

ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY AT
1030Z

OBS VA DTG: 21/1100Z

OBS VA CLD: SFC/FL200 S0154 W07841 - S0156 W07819
- S0203 W07819 - S0208 W07839 - S0154 W07841 MOV
W 10-15KT 

FCST VA CLD +6HR: 21/1700Z SFC/FL200 S0152 W07853
- S0155 W07819 - S0204 W07818 - S0214 W07849 -
S0152 W07853 

FCST VA CLD +12HR: 21/2300Z SFC/FL200 S0153
W07853 - S0155 W07819 - S0204 W07819 - S0214
W07849 - S0153 W07853 

FCST VA CLD +18HR: 22/0500Z SFC/FL200 S0155
W07819 - S0204 W07818 - S0217 W07852 - S0155
W07854 - S0155 W07819 

RMK: VA CLDS OBS IN STLT. LOW CONF WITH VA EXT W
FM SUMMIT DUE TO WX CLDS. VA HGT/DIR FM STLT AND
NWP MDLS SHOWS W-LY TO SW-LY MOVMT TREND THRU
T+18. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20200421/1745Z