FVXX20 KNES 220445
VA ADVISORY
DTG: 20210422/0445Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/404

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: CONTG VA EMS.

OBS VA DTG: 22/0420Z

OBS VA CLD: SFC/FL220 S0125 W07850 - S0158 W07819
- S0201 W07820 - S0147 W07912 - S0125 W07850 MOV
NW 10KT SFC/FL250 S0147 W07952 - S0148 W07928 -
S0230 W07928 - S0232 W07950 - S0147 W07952 MOV W
10KT 

FCST VA CLD +6HR: 22/1030Z SFC/FL220 S0107 W07909
- S0158 W07818 - S0202 W07822 - S0137 W07934 -
S0107 W07909 SFC/FL250 NO VA EXP

FCST VA CLD +12HR: 22/1630Z SFC/FL220 S0115
W07911 - S0158 W07819 - S0202 W07821 - S0142
W07934 - S0115 W07911 

FCST VA CLD +18HR: 22/2230Z SFC/FL220 S0149
W07932 - S0157 W07820 - S0202 W07819 - S0213
W07933 - S0149 W07932 

RMK: REMNANT VA CLD TO FL250 OBS MOV W 90 NM W OF
SUMMIT. CONTG VA EMS OBS TO FL220 EXT 50 NM NW FM
SUMMIT. VA AT FL250 EXP TO DSIPT BY T+6 HRS.
FL220 MVMT FCST TO PERSIST THRU T+12 THEN TURN TO
W BY T+18 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210422/1045Z