FVXX22 KNES 171531
VA ADVISORY
DTG: 20210517/1531Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/473

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: CONS VA EMS SEEN IN SAT.

OBS VA DTG: 17/1500Z

OBS VA CLD: SFC/FL210 S0158 W07820 - S0202 W07819
- S0225 W07907 - S0211 W07913 - S0158 W07820 MOV
SW 15KT SFC/FL230 S0141 W07918 - S0144 W07843 -
S0158 W07819 - S0202 W07822 - S0152 W07917 -
S0141 W07918 MOV SW 0KT 

FCST VA CLD +6HR: 17/2100Z SFC/FL210 S0158 W07819
- S0203 W07819 - S0234 W07922 - S0214 W07929 -
S0158 W07819 SFC/FL230 S0131 W07925 - S0156
W07819 - S0202 W07820 - S0150 W07926 - S0131
W07925 

FCST VA CLD +12HR: 18/0300Z SFC/FL210 S0158
W07820 - S0203 W07818 - S0241 W07919 - S0224
W07925 - S0158 W07820 SFC/FL230 NO VA EXP

FCST VA CLD +18HR: 18/0900Z SFC/FL210 S0157
W07820 - S0204 W07818 - S0228 W07926 - S0208
W07930 - S0157 W07820 

RMK: VA TO FL210 EXTDG OUT ARND 70 NM SW OF
SUMMIT. MODEL GUIDANCE SHOWS A CONT SW MOV THRU
T+18 HRS. VA TO FL230 EXTDG OUT ARND 60 NM NW/WNW
OF SUMMIT. THIS PLUME IS A MIXTURE OF VA AND
GASES. GUIDANCE SHOWS A CONT WNW-LY MOV THRU T+6
HRS. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20210517/2130Z