FVXX22 KNES 200840
VA ADVISORY
DTG: 20210520/0840Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/485

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

ERUPTION DETAILS: NEW VA EM ESTD TO FL310.

OBS VA DTG: 20/0820Z

OBS VA CLD: SFC/FL250 S0158 W07819 - S0208 W07807
- S0217 W07823 - S0159 W07822 - S0158 W07819 MOV
SE 10KT SFC/FL310 S0157 W07820 - S0159 W07819 -
S0222 W07821 - S0215 W07840 - S0157 W07820 MOV SW
20KT 

FCST VA CLD +6HR: 20/1430Z SFC/FL250 S0159 W07820
- S0159 W07819 - S0235 W07811 - S0235 W07826 -
S0159 W07820 SFC/FL310 S0158 W07821 - S0200
W07819 - S0253 W07846 - S0241 W07911 - S0158
W07821 

FCST VA CLD +12HR: 20/2030Z SFC/FL250 S0158
W07820 - S0200 W07818 - S0235 W07834 - S0226
W07848 - S0158 W07820 SFC/FL310 NO VA EXP

FCST VA CLD +18HR: 21/0230Z NO VA EXP

RMK: VA EM OBS IN SAT AND ALERTED BY VOLCAT. VA
ESTD TO FL310 MOV SW 20 NM FM SUMMIT. VA UP TO
FL250 MOV S AND SE 15 NM FM SUMMIT. FLS ESTD FM
NWP MDLS AND VOLCAT. FL310 WINDS EXP TO PERSIST
THRU T+6 HRS. FL250 MVMT EXP TO TURN TO SW BY
T+12 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210520/1445Z