FVXX21 KNES 261943 VA ADVISORY DTG: 20210326/1943Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/311 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 26/1910Z OBS VA CLD: SFC/FL210 S0149 W07835 - S0201 W07820 - S0201 W07820 - S0158 W07840 - S0149 W07835 MOV NW 5KT FCST VA CLD +6HR: 27/0100Z SFC/FL210 S0139 W07840 - S0200 W07819 - S0201 W07819 - S0150 W07847 - S0139 W07840 FCST VA CLD +12HR: 27/0700Z NO VA EXP FCST VA CLD +18HR: 27/1300Z NO VA EXP RMK: VA IS CURRENTLY NOT OBS IN STLT IMAGERY DUE TO DENSE WX CLDS, BUT IS LIKELY IN THE AREA. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20210327/0145Z