FVXX20 KNES 300936
VA ADVISORY
DTG: 20210730/0936Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/741

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

ERUPTION DETAILS: VA OBS MOV N FM SUMMIT.

OBS VA DTG: 30/0910Z

OBS VA CLD: SFC/FL200 S0148 W07817 - S0200 W07819
- S0200 W07821 - S0149 W07825 - S0148 W07817 MOV
N 5KT 

FCST VA CLD +6HR: 30/1500Z SFC/FL200 S0140 W07823
- S0159 W07817 - S0201 W07820 - S0143 W07835 -
S0140 W07823 

FCST VA CLD +12HR: 30/2100Z NO VA EXP

FCST VA CLD +18HR: 31/0300Z NO VA EXP

RMK: VA OBS EXT 12 NM N FM SUMMIT TO EDGE OF MET
CLD COVER. VA PLUME MAY EXTEND FURTHER. NWP MDLS
INDICATE LGT FL WINDS THRU T+6 LOWERING FCST
CONFIDENCE. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210730/1530Z