FVXX20 KNES 041231
VA ADVISORY
DTG: 20210904/1231Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/798

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 04/1200Z

OBS VA CLD: SFC/FL190 S0143 W07832 - S0200 W07819
- S0202 W07820 - S0149 W07837 - S0143 W07832 MOV
NW 15KT 

FCST VA CLD +6HR: 04/1800Z SFC/FL190 S0144 W07843
- S0200 W07819 - S0201 W07820 - S0156 W07848 -
S0144 W07843 

FCST VA CLD +12HR: 05/0000Z NO VA EXP

FCST VA CLD +18HR: 05/0600Z NO VA EXP

RMK: THREE DISCRETE SML VA CLDS OBSD BY STLT BTWN
1020Z AND 1110Z. VA OBSD TO 20 NM NW OF SUMMIT.
NWP MDL FCSTS DO NOT AGREE WITH OBSD VA MOVMT SO 
CONFDC LOW IN T+6. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210904/1830Z
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