FVXX21 KNES 251401 VA ADVISORY DTG: 20210825/1401Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/689 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS OBS VA DTG: 25/1330Z OBS VA CLD: SFC/FL160 S0000 W07759 - S0004 W07740 - S0005 W07740 - S0007 W07759 - S0000 W07759 MOV W 10KT FCST VA CLD +6HR: 25/1930Z SFC/FL160 N0004 W07802 - S0004 W07740 - S0005 W07740 - S0004 W07804 - N0004 W07802 FCST VA CLD +12HR: 26/0130Z SFC/FL160 N0004 W07802 - S0004 W07740 - S0007 W07739 - S0005 W07804 - N0004 W07802 FCST VA CLD +18HR: 26/0730Z NO VA EXP RMK: VA SEEN IN SAT MOV W BUT DIFFICULT TO SEE FULL EXTENT DUE TO MET CLDS. VONA RPRTS RECEIVED INDICATING VA. NWP GUIDANCE INDICATES A MORE WNW MOV BY T+6 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20210825/2000Z