FVXX22 KNES 180429
VA ADVISORY
DTG: 20210518/0429Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/476

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: PSBL CONTG VA EMS.

OBS VA DTG: 18/0410Z

OBS VA CLD: SFC/FL210 S0159 W07820 - S0201 W07819
- S0214 W07849 - S0202 W07851 - S0159 W07820 MOV
SW 10KT 

FCST VA CLD +6HR: 18/1000Z SFC/FL210 S0159 W07819
- S0201 W07819 - S0211 W07852 - S0200 W07853 -
S0159 W07819 

FCST VA CLD +12HR: 18/1600Z NO VA EXP

FCST VA CLD +18HR: 18/2200Z NO VA EXP

RMK: VA NOT OBS DUE TO DENSE WX CLDS IN AREA.
CONTG VA EMS PSBL BASED ON RECENT ACT. EARLIER VA
TO FL230 DSIPTD. OBS VA AREA BASED ON NWP MDLS
AND PREV VAA. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210518/1030Z