FVXX20 KNES 252126 VA ADVISORY DTG: 20210625/2126Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/492 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: INTMT VA CLD EMS. OBS VA DTG: 25/2100Z OBS VA CLD: SFC/FL150 N0003 W07752 - S0004 W07739 - S0006 W07740 - S0001 W07755 - N0003 W07752 MOV W 15KT FCST VA CLD +6HR: 26/0300Z SFC/FL150 N0001 W07756 - S0004 W07738 - S0006 W07740 - S0005 W07758 - N0001 W07756 FCST VA CLD +12HR: 26/0900Z SFC/FL150 S0002 W07758 - S0004 W07738 - S0007 W07739 - S0010 W07758 - S0002 W07758 FCST VA CLD +18HR: 26/1500Z SFC/FL150 S0004 W07756 - S0004 W07739 - S0005 W07738 - S0011 W07756 - S0004 W07756 RMK: VONA RPRTS VA EM AT 2026Z. VA CLD FM THIS RPRT OBSD BY G16 10 NMI WNW OF SUMMIT MOVG WNW. SUMMIT OBSCD BY WX CLDS. NWP MDLS FCST VA TO MOV MORE W-LY OVR THE NEXT 12-18 HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210626/0330Z