FVXX20 KNES 201855
VA ADVISORY
DTG: 20210420/1855Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/395

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: LARGER EMS TO FL260 AND RESIDUAL VA.

OBS VA DTG: 20/1830Z

OBS VA CLD: SFC/FL210 S0202 W07856 - S0219 W07853
- S0223 W07922 - S0205 W07922 - S0202 W07856 MOV
W 5KT SFC/FL260 S0152 W07846 - S0159 W07819 -
S0203 W07819 - S0211 W07844 - S0152 W07846 MOV W
5KT 

FCST VA CLD +6HR: 21/0030Z SFC/FL210 NO VA
EXP SFC/FL260 S0149 W07907 - S0158 W07819 - S0204
W07819 - S0216 W07902 - S0149 W07907 

FCST VA CLD +12HR: 21/0630Z SFC/FL260 S0147
W07919 - S0154 W07841 - S0209 W07839 - S0216
W07919 - S0147 W07919 

FCST VA CLD +18HR: 21/1230Z SFC/FL210 S0153
W07845 - S0158 W07819 - S0204 W07819 - S0211
W07844 - S0153 W07845 SFC/FL260 NO VA EXP

RMK: MUCH LARGER VA EMS MOVG W FM SUMMIT TO EST
FL260. RESIDUAL VA FM EARLIER VA EM TO FL210 MOVG
WSW AND ARND 60 NM FM SUMMIT AND BEGINNING TO
DSIPT. FCST CONFIDENCE IS MEDIUM.  ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20210421/0100Z
Full Size Graphic

-Graphic Map Depicting Ash