FVXX22 KNES 161905
VA ADVISORY
DTG: 20210516/1905Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/469

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

ERUPTION DETAILS: THICK VA CLDS OBS IN STLT
IMAGERY

OBS VA DTG: 16/1830Z

OBS VA CLD: SFC/FL210 S0158 W07822 - S0203 W07817
- S0319 W08005 - S0245 W08125 - S0241 W07952 -
S0158 W07822 MOV SW 10KT 

FCST VA CLD +6HR: 17/0030Z SFC/FL210 S0158 W07821
- S0206 W07816 - S0338 W08037 - S0251 W08128 -
S0158 W07821 

FCST VA CLD +12HR: 17/0630Z SFC/FL210 S0158
W07820 - S0207 W07817 - S0326 W08050 - S0229
W08102 - S0158 W07820 

FCST VA CLD +18HR: 17/1230Z SFC/FL210 S0142
W08040 - S0157 W07820 - S0205 W07820 - S0236
W08041 - S0142 W08040 

RMK: VA CLDS CONT OBS S OF SEGU IN STLT MOVG SW
OUT TO 170NMI FM SUMMIT. VA HGT FM PREV VAA. VA
DIR FM STLT AND NWP MDLS SHOWS SW-LY TO W-LY
MOVMT TREND THRU T+18. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210517/0100Z