FVXX21 KNES 171835
VA ADVISORY
DTG: 20211217/1835Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/1096

INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS.
GEOPHYSICAL INST. 

ERUPTION DETAILS: VA CLDS OBS IN SUMMIT WEBCAM

OBS VA DTG: 17/1810Z

OBS VA CLD: SFC/FL240 S0159 W07820 - S0202 W07819
- S0224 W07842 - S0205 W07853 - S0159 W07820 MOV
SW 15KT 

FCST VA CLD +6HR: 18/0000Z SFC/FL240 S0152 W07904
- S0159 W07819 - S0203 W07819 - S0216 W07903 -
S0152 W07904 

FCST VA CLD +12HR: 18/0600Z NO VA EXP

FCST VA CLD +18HR: 18/1200Z NO VA EXP

RMK: VA CLDS OBS IN WEBCAM MOVG SW FM SUMMIT. LOW
CONF WITH VAA DUE TO WX CLDS OVER REGION. VA
DIR/HGT FM 1808Z VONA RPRT FM GI. NWP MDLS SHOWS A
SW-LY TO W-LY MOVMT TREND THRU T+6.  ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20211218/0030Z
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