FVXX20 KNES 221911
VA ADVISORY
DTG: 20210422/1911Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/407

INFO SOURCE: GOES-16. NWP MODELS. ASH3D. 

ERUPTION DETAILS: CONS VA EMS OBS.

OBS VA DTG: 22/1850Z

OBS VA CLD: SFC/FL240 S0146 W07853 - S0159 W07819
- S0201 W07820 - S0202 W07859 - S0146 W07853 MOV
W 10KT 

FCST VA CLD +6HR: 23/0100Z SFC/FL240 S0138 W07913
- S0158 W07819 - S0201 W07819 - S0202 W07918 -
S0138 W07913 

FCST VA CLD +12HR: 23/0700Z SFC/FL240 S0147
W07908 - S0159 W07819 - S0201 W07819 - S0214
W07906 - S0147 W07908 

FCST VA CLD +18HR: 23/1300Z SFC/FL240 S0155
W07907 - S0158 W07820 - S0201 W07819 - S0217
W07904 - S0155 W07907 

RMK: CONS VA CLDS OBS IN STLT MOV W OF SUMMIT
APRX 35 NMI. FL BASED ON NWP MODEL GDNC WINDS AND
OBS MVMT. WINDS TURNING TO SW THRU T+12.
...JLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210423/0115Z