FVXX21 KNES 172247 VA ADVISORY DTG: 20230417/2247Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/259 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VONA RPRT RCVD OBS VA DTG: 17/2220Z OBS VA CLD: SFC/FL150 S0004 W07739 - S0004 W07730 - S0009 W07732 - S0005 W07740 - S0004 W07739 MOV E 5KT FCST VA CLD +6HR: 18/0430Z SFC/FL150 S0004 W07740 - S0008 W07724 - S0016 W07731 - S0005 W07740 - S0004 W07740 FCST VA CLD +12HR: 18/1030Z NO VA EXP FCST VA CLD +18HR: 18/1630Z NO VA EXP RMK: RCNT VONA RPRT RCVD INDICATING VA EMS. VA EMS OBS IN WEBCAM. NO VA CRNTLY OBS IN STLT IMAGERY DUE TO WX CLDS. VA FCST THRU T+6 HRS BASED ON VONA AND NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20230418/0445Z