FVXX21 KNES 250814 VA ADVISORY DTG: 20210825/0814Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/688 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: LIKELY CONTG VA EMS. OBS VA DTG: 25/0750Z OBS VA CLD: SFC/FL160 N0007 W07756 - S0002 W07738 - S0005 W07740 - N0001 W07758 - N0007 W07756 MOV NW 5KT FCST VA CLD +6HR: 25/1400Z SFC/FL160 N0008 W07756 - S0002 W07739 - S0005 W07740 - N0000 W07759 - N0008 W07756 FCST VA CLD +12HR: 25/2000Z NO VA EXP FCST VA CLD +18HR: 26/0200Z NO VA EXP RMK: MULT VONA RPTS OF VA EMS RECEIVED SINCE PREV VAA. SUMMIT AREA LARGELY OBSCD BY MET CLDS ATTM. OBS VA AREA BASED ON NWP MDLS AND PREV VAA. LTLCG FCST IN FL WIND THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210825/1415Z