FVXX24 KNES 130300
VA ADVISORY
DTG: 20210413/0300Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/367

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

ERUPTION DETAILS: VA ERUPTION NOW ESTD TO FL400.

OBS VA DTG: 13/0240Z

OBS VA CLD: SFC/FL400 S0127 W07853 - S0142 W07805
- S0219 W07814 - S0203 W07908 - S0127 W07853 MOV
NW 15KT 

FCST VA CLD +6HR: 13/0830Z SFC/FL400 S0132 W07941
- S0144 W07810 - S0216 W07814 - S0213 W07943 -
S0132 W07941 

FCST VA CLD +12HR: 13/1430Z SFC/FL400 S0133
W08029 - S0149 W07814 - S0212 W07816 - S0211
W08030 - S0133 W08029 

FCST VA CLD +18HR: 13/2030Z SFC/FL400 S0133
W08029 - S0149 W07813 - S0212 W07816 - S0212
W08030 - S0133 W08029 

RMK: ANALYSIS OF EVOLVING VA CLD SUGGESTS EM TO
FL400 BASED ON IR TEMPS AND NWP MDLS. VA CLD EXT
GNLY WNW UP TO 50 NM FM SUMMIT THO CLD ALSO FANS
OUT IN ALL DIRS. LOWER CONFIDENCE IN FCST DUE TO
EXP LGT FL WINDS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210413/0900Z