FVXX21 KNES 252025 VA ADVISORY DTG: 20211125/2025Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1070 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: LGT VA EMS PSBL OBS VA DTG: 25/1950Z OBS VA CLD: SFC/FL150 S0002 W07747 - S0004 W07739 - S0005 W07740 - S0005 W07747 - S0002 W07747 MOV W 10KT FCST VA CLD +6HR: 26/0200Z SFC/FL150 S0002 W07749 - S0003 W07739 - S0005 W07738 - S0006 W07749 - S0002 W07749 FCST VA CLD +12HR: 26/0800Z NO VA EXP FCST VA CLD +18HR: 26/1400Z NO VA EXP RMK: VA NOT OBS IN STLT DUE TO EXTENSIVE WX CLD CVR INVOF SUMMIT. LGT VA EMS ARE PSBL. NWP MODELS SUPPORT ASH MVMNT TO THE W AT 10KT BLW FL150 ARE PSBL. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20211126/0230Z