FVXX21 KNES 280043 VA ADVISORY DTG: 20241228/0043Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2024/953 INFO SOURCE: GOES-16. VONA. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 28/0020Z OBS VA CLD: SFC/FL150 S0004 W07739 - S0005 W07739 - S0009 W07747 - S0005 W07748 - S0004 W07739 MOV W 10KT FCST VA CLD +6HR: 28/0630Z SFC/FL150 S0004 W07748 - S0004 W07739 - S0005 W07739 - S0008 W07748 - S0004 W07748 FCST VA CLD +12HR: 28/1230Z SFC/FL150 S0004 W07750 - S0004 W07739 - S0005 W07739 - S0008 W07750 - S0004 W07750 FCST VA CLD +18HR: 28/1830Z SFC/FL150 S0004 W07740 - S0005 W07739 - S0007 W07749 - S0004 W07749 - S0004 W07740 RMK: VA EMS OBSD IN SAT. VA CLDS SEEN BEFORE OBSC BY MET CLDS APPX 10NMI WSW FM SUMMIT. VONA REPORTED EARLIER VA EMS AS WELL. NWP MDL FCST LTLCG THUR T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20241228/0645Z