FVXX25 KNES 011609 VA ADVISORY DTG: 20241201/1609Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2024/868 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING VA EMS. OBS VA DTG: 01/1540Z OBS VA CLD: SFC/FL150 S0001 W07754 - S0004 W07740 - S0005 W07740 - S0007 W07755 - S0001 W07754 MOV W 10KT FCST VA CLD +6HR: 01/2130Z SFC/FL150 S0000 W07755 - S0003 W07740 - S0005 W07740 - S0007 W07755 - S0000 W07755 FCST VA CLD +12HR: 02/0330Z NO VA EXP FCST VA CLD +18HR: 02/0930Z NO VA EXP RMK: A FEW VA EMS WERE NOTED JUST BEFORE DENSE CLDS MOVED OVER THE SUMMIT REGION. THEREFORE, VA EMS PRESUMED ONGOING GIVEN THIS ACT. VA MOV TO W OF SUMMIT ACCORDING TO NWP MDLS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20241201/2215Z