FVXX21 KNES 011555 VA ADVISORY DTG: 20250101/1555Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/004 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCSL VA EMS OBSD OBS VA DTG: 01/1530Z OBS VA CLD: SFC/FL140 S0004 W07740 - S0005 W07738 - S0026 W07750 - S0020 W07759 - S0004 W07740 MOV SW 5KT FCST VA CLD +6HR: 01/2130Z SFC/FL140 S0004 W07739 - S0005 W07737 - S0033 W07807 - S0021 W07822 - S0004 W07739 FCST VA CLD +12HR: 02/0330Z SFC/FL140 S0004 W07739 - S0004 W07737 - S0040 W07752 - S0031 W07809 - S0004 W07739 FCST VA CLD +18HR: 02/0930Z NO VA EXP RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 25 NM SW FM SUMMIT. LTLCG IN FCST EXP THRU T+12 HRS. MVMT AND HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20250101/2200Z