FVXX23 KNES 272356 VA ADVISORY DTG: 20231227/2356Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/869 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 27/2330Z OBS VA CLD: SFC/FL140 S0004 W07740 - S0005 W07739 - S0017 W07753 - S0013 W07758 - S0004 W07740 MOV SW 10KT FCST VA CLD +6HR: 28/0530Z SFC/FL140 S0004 W07740 - S0005 W07740 - S0020 W07756 - S0016 W07801 - S0004 W07740 FCST VA CLD +12HR: 28/1130Z NO VA EXP FCST VA CLD +18HR: 28/1730Z NO VA EXP RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT VONA INDICATES VA EMS. NO CHG FCST TO MDL WINDS AT FL NXT 6HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20231228/0600Z