FVXX21 KNES 301423 VA ADVISORY DTG: 20231230/1423Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/960 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 30/1350Z OBS VA CLD: SFC/FL210 S0153 W07855 - S0200 W07820 - S0201 W07819 - S0201 W07856 - S0153 W07855 MOV W 15KT FCST VA CLD +6HR: 30/2000Z SFC/FL210 S0154 W07908 - S0200 W07820 - S0201 W07820 - S0207 W07908 - S0154 W07908 FCST VA CLD +12HR: 31/0200Z NO VA EXP FCST VA CLD +18HR: 31/0800Z NO VA EXP RMK: VA CLDS OBSD BY STLT MOVG W AMONG WX CLDS AND THRU BINOVC OUT TO OVR 30 NMI FM SUMMIT. SUMMIT OBSCD BY WX CLD CVR ON WEBCAM. NWP MDLS DIFFER SLGTLY FM OBS BUT GENLY FCST LTLCG IN VA CLD MOVMT THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20231230/2030Z