FVXX22 KNES 202114 VA ADVISORY DTG: 20231220/2114Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/938 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 20/2050Z OBS VA CLD: SFC/FL210 S0159 W07809 - S0207 W07808 - S0201 W07822 - S0201 W07819 - S0159 W07809 MOV SE 5KT FCST VA CLD +6HR: 21/0300Z NO VA EXP FCST VA CLD +12HR: 21/0900Z NO VA EXP FCST VA CLD +18HR: 21/1500Z NO VA EXP RMK: VA IS CURRENTLY NOT OBS ON STLT DUE TO WX CLDS, BUT IS POSS IN THE AREA. VA IS DRAWN BASE ON NWP MDL WND AND PREV VAA INFO. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20231221/0315Z