FVXX20 KNES 081122 VA ADVISORY DTG: 20211208/1122Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/1069 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 08/1050Z OBS VA CLD: SFC/FL200 S0159 W07831 - S0159 W07819 - S0201 W07820 - S0202 W07831 - S0159 W07831 MOV W 10KT FCST VA CLD +6HR: 08/1700Z NO VA EXP FCST VA CLD +12HR: 08/2300Z NO VA EXP FCST VA CLD +18HR: 09/0500Z NO VA EXP RMK: VA IS DIFFICULT TO OBS DUE TO WX CLDS, BUT IS LIKELY IN THE AREA. HOT SPOT IS OBS. WEBCAM IS NOT AVBL. VA IS DRAWN BASED ON NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20211208/1715Z