FVXX22 KNES 210305 VA ADVISORY DTG: 20231221/0305Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/939 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 21/0240Z OBS VA CLD: SFC/FL210 S0201 W07821 - S0201 W07820 - S0210 W07822 - S0205 W07828 - S0201 W07821 MOV SW 5KT FCST VA CLD +6HR: 21/0830Z NO VA EXP FCST VA CLD +12HR: 21/1430Z NO VA EXP FCST VA CLD +18HR: 21/2030Z NO VA EXP RMK: VA IS CURRENTLY NOT OBS ON STLT DUE TO DENSE WX CLDS. HOT SPOT IS OBS ON STLT. VA EM CAN BE SEEN ON WEB CAM. VA IS DRAWN BASED ON NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20231221/0900Z