FVXX20 KNES 302056 VA ADVISORY DTG: 20230130/2056Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/102 INFO SOURCE: GOES-16. VONA. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS MOV NE OBS VA DTG: 30/2030Z OBS VA CLD: SFC/FL230 S0147 W07808 - S0155 W07801 - S0200 W07820 - S0147 W07808 MOV NE 5KT FCST VA CLD +6HR: 31/0230Z SFC/FL230 S0200 W07820 - S0213 W07804 - S0217 W07817 - S0201 W07820 - S0200 W07820 FCST VA CLD +12HR: 31/0830Z NO VA EXP FCST VA CLD +18HR: 31/1430Z NO VA EXP RMK: VA IS OBS MOV NE A FEW HOURS AGO AND NOW IS DIFFICULT TO OBS ON STLT DUE TO WX CLDS. VA FL IS BASED ON RECENT VONA. NWP MDL WND DOES NOT AGREE WELL WITH VA MOV, SO LOW CONFIDENCE IN FCST. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20230131/0300Z