FVXX21 KNES 111254 VA ADVISORY DTG: 20200311/1254Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/278 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING VA EMS. OBS VA DTG: 11/1210Z OBS VA CLD: SFC/FL190 S0149 W07840 - S0159 W07820 - S0202 W07820 - S0203 W07841 - S0149 W07840 MOV W 5-10KT FCST VA CLD +6HR: 11/1800Z NO ASH EXP FCST VA CLD +12HR: 12/0000Z NO ASH EXP FCST VA CLD +18HR: 12/0600Z NO ASH EXP RMK: VA EMS NOTED SEVERAL HRS AGO BUT NOTHING SEEN RECENTLY PERHAPS DUE TO WX CLDS. HOWEVER ACT RECENT HISTORY SUGGESTS ONGOING PUFFS. VAA BASED ON PREV VAAG AND NWP MDLS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20200311/1900Z