FVXX20 KNES 311323 VA ADVISORY DTG: 20221231/1323Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2022/1169 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBS OBS VA DTG: 31/1300Z OBS VA CLD: SFC/FL150 S0000 W07756 - S0004 W07740 - S0005 W07740 - S0011 W07755 - S0000 W07756 MOV W 5KT FCST VA CLD +6HR: 31/1900Z SFC/FL150 S0004 W07740 - S0005 W07738 - S0030 W07741 - S0025 W07756 - S0004 W07740 FCST VA CLD +12HR: 01/0100Z NO VA EXP FCST VA CLD +18HR: 01/0700Z NO VA EXP RMK: VA EMS OBS IN WEBCAM BUT NOT VISIBLE IN STLT IMG DUE TO HEAVY MET CLDS. MODEL GUIDANCE SUGGESTS W MVMT FM SUMMIT TO SHIFT S BY T+6. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20221231/1930Z