FVXX22 KNES 212336
VA ADVISORY
DTG: 20210521/2336Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/495

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

ERUPTION DETAILS: FL INCREASE

OBS VA DTG: 21/2250Z

OBS VA CLD: SFC/FL250 S0144 W07925 - S0201 W07820
- S0246 W07932 - S0207 W07950 - S0144 W07925 MOV
W 10KT 

FCST VA CLD +6HR: 22/0500Z SFC/FL250 S0200 W07820
- S0201 W07820 - S0213 W07836 - S0204 W07841 -
S0200 W07820 

FCST VA CLD +12HR: 22/1100Z SFC/FL250 S0200
W07820 - S0201 W07820 - S0217 W07827 - S0211
W07835 - S0200 W07820 

FCST VA CLD +18HR: 22/1700Z SFC/FL250 S0201
W07820 - S0201 W07819 - S0216 W07810 - S0216
W07821 - S0201 W07820 

RMK: FL INCREASED TO FL250. CONS VA EM SEEN ON
STLT IMAGERY EXTENDING APPROX 90 NMI WSW AWAY FM
SUMMIT. VA HEIGHT AND FRCST BASED ON IMAGERY AND
MODEL GUIDANCE. WINDS EXPCD TO VEER MOR S THRU
FRST PERIOD AROUND FL. ...KIM

NXT ADVISORY: WILL BE ISSUED BY 20210522/0530Z