FVXX20 KNES 231857
VA ADVISORY
DTG: 20201223/1857Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2020/1251

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: VA CLD OBS IN STLT.

OBS VA DTG: 23/1840Z

OBS VA CLD: SFC/FL200 S0158 W07847 - S0200 W07820
- S0201 W07819 - S0203 W07822 - S0201 W07847 -
S0158 W07847 MOV W 5KT 

FCST VA CLD +6HR: 24/0030Z SFC/FL200 S0158 W07847
- S0200 W07819 - S0201 W07819 - S0204 W07822 -
S0202 W07847 - S0158 W07847 

FCST VA CLD +12HR: 24/0630Z NO VA EXP

FCST VA CLD +18HR: 24/1230Z NO VA EXP

RMK: VA CLD OBS NEAR AND SW OF SUMMIT. POSS VA
CLD EXTDG W OF SUMMIT APRX 25 NMI BUT DIFFICULT
TO DISCERN IN STLT DUE TO WX CLD. FL AND MVMT
BASED ON NWP MODEL GDNC AND OBS TO SW < 10 NMI.
...LEVINE

NXT ADVISORY: WILL BE ISSUED BY 20201224/0100Z
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