FVXX21 KNES 252230 VA ADVISORY DTG: 20210825/2230Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/691 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 25/2200Z OBS VA CLD: SFC/FL150 S0002 W07751 - S0003 W07739 - S0004 W07739 - S0005 W07752 - S0002 W07751 MOV W 10KT FCST VA CLD +6HR: 26/0400Z SFC/FL150 S0001 W07755 - S0003 W07739 - S0005 W07738 - S0007 W07756 - S0001 W07755 FCST VA CLD +12HR: 26/1000Z SFC/FL150 S0001 W07756 - S0004 W07738 - S0005 W07738 - S0006 W07755 - S0001 W07756 FCST VA CLD +18HR: 26/1600Z NO VA EXP RMK: VA DETECTED ON STLT AND SEEN ON WEBCAM MOVG W OF SUMMIT. VONA RPRT CONFIRMS VA EMS. HOTSPOT NOTED ON SWIR. NO CHG TO FL WINDS FCST NXT 12 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210826/0430Z