FVXX20 KNES 040034
VA ADVISORY
DTG: 20210204/0034Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/137

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

ERUPTION DETAILS: CONS VA EMS.

OBS VA DTG: 04/0000Z

OBS VA CLD: SFC/FL230 S0158 W07821 - S0201 W07817
- S0234 W07826 - S0228 W07852 - S0158 W07821 MOV
S 15KT 

FCST VA CLD +6HR: 04/0600Z SFC/FL230 S0158 W07820
- S0159 W07817 - S0250 W07829 - S0241 W07858 -
S0158 W07820 

FCST VA CLD +12HR: 04/1200Z SFC/FL230 S0158
W07821 - S0201 W07817 - S0250 W07829 - S0241
W07858 - S0158 W07821 

FCST VA CLD +18HR: 04/1800Z SFC/FL230 S0156
W07821 - S0200 W07819 - S0249 W07837 - S0240
W07903 - S0156 W07821 

RMK: VA SEEN IN STLT IMAGERY MOV SSW AND EXTDG
OUT 35 NM FM SUMMIT. VA ON WEST SIDE IS FANNING
OUT AND DSIPTG MUCH FASTER THAN MAIN PLUME. MODEL
GUIDANCE CONT TO SHOW A SSW MOV THRU T+18 HRS.
VOLCAT ALERT RECEIVED. ...

NXT ADVISORY: WILL BE ISSUED BY 20210204/0630Z