FVXX21 KNES 300650 VA ADVISORY DTG: 20230830/0650Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/618 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 30/0630Z OBS VA CLD: SFC/FL220 S0159 W07820 - S0201 W07819 - S0216 W07834 - S0211 W07838 - S0159 W07820 MOV SW 20KT FCST VA CLD +6HR: 30/1230Z SFC/FL220 S0159 W07846 - S0159 W07820 - S0201 W07820 - S0205 W07845 - S0159 W07846 FCST VA CLD +12HR: 30/1830Z NO VA EXP FCST VA CLD +18HR: 31/0030Z NO VA EXP RMK: SAT OBSD VA/STEAM EMS MOVG WSW FM SUMMIT. VONA RECEIVED. VA FL/DIR BASED ON RPRT, SAT OBS AND MDL. NWP MDL FCST VEERING THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230830/1245Z