FVXX23 KNES 291815 VA ADVISORY DTG: 20231229/1815Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/874 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBS OBS VA DTG: 29/1750Z OBS VA CLD: SFC/FL210 S0004 W07740 - S0005 W07739 - S0016 W07753 - S0007 W07758 - S0004 W07740 MOV SW 20KT FCST VA CLD +6HR: 30/0000Z SFC/FL210 S0004 W07739 - S0005 W07739 - S0017 W07802 - S0004 W07805 - S0004 W07739 FCST VA CLD +12HR: 30/0600Z NO VA EXP FCST VA CLD +18HR: 30/1200Z NO VA EXP RMK: VA EMS PREVIOUSLY OBS IN WEBCAM BUT NOT VISIBLE IN STLT IMG POSS DUE TO MET CLDS. MODEL GUIDANCE SUGGESTS WSW MVMT FM SUMMIT THRU T+6. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20231230/0015Z