FVXX21 KNES 210242
VA ADVISORY
DTG: 20170921/0242Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2017/040

INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16.
NWP MODELS. 

ERUPTION DETAILS: OCNL EMS

OBS VA DTG: 21/0215Z

OBS VA CLD: SFC/FL200 S0156 W07837 - S0156 W07819
- S0204 W07817 - S0208 W07836 - S0156 W07837 MOV
W 20KT 

FCST VA CLD +6HR: 21/0830Z SFC/FL200 S0155 W07838
- S0158 W07818 - S0204 W07816 - S0210 W07838 -
S0155 W07838 

FCST VA CLD +12HR: 21/1430Z SFC/FL200 NO ASH EXP

FCST VA CLD +18HR: 21/2030Z NO ASH EXP

RMK: OCNL EMS ARE SEEN IN NON-OPERATIONAL GOES-16
IMAGERY MOV TO THE W AND DISP WITHIN 20 NMI OF
THE SUMMIT. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED BY 20170921/0845Z