FVXX20 KNES 040623
VA ADVISORY
DTG: 20210204/0623Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/138

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

ERUPTION DETAILS: CONTG CONS VA EMS.

OBS VA DTG: 04/0600Z

OBS VA CLD: SFC/FL230 S0159 W07820 - S0159 W07818
- S0245 W07823 - S0231 W07856 - S0159 W07820 MOV
SW 10KT 

FCST VA CLD +6HR: 04/1200Z SFC/FL230 S0158 W07820
- S0159 W07818 - S0247 W07837 - S0226 W07906 -
S0158 W07820 

FCST VA CLD +12HR: 04/1800Z SFC/FL230 S0158
W07819 - S0201 W07819 - S0235 W07904 - S0208
W07916 - S0158 W07819 

FCST VA CLD +18HR: 05/0000Z SFC/FL230 S0159
W07820 - S0201 W07818 - S0243 W07853 - S0217
W07911 - S0159 W07820 

RMK: VA OBS FANNING OUT S TO SW EXT UP TO 45 NM
FM SUMMIT BEFORE BECOMING TOO FAINT TO DISCERN.
OBS VA FL BASED ON NWP MDLS AND VOLCAT ALERT. NWP
MDLS SUGGEST FL MVMT TO TURN TO WSW BY T+12 HRS.
...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210204/1230Z