FVXX23 KNES 040305 VA ADVISORY DTG: 20210604/0305Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/421 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: LGT VA EMS OBS VA DTG: 04/0230Z OBS VA CLD: SFC/FL140 S0002 W07756 - S0004 W07739 - S0005 W07739 - S0008 W07756 - S0002 W07756 MOV W 10KT FCST VA CLD +6HR: 04/0830Z SFC/FL140 S0000 W07758 - S0004 W07740 - S0005 W07739 - S0009 W07759 - S0000 W07758 FCST VA CLD +12HR: 04/1430Z NO VA EXP FCST VA CLD +18HR: 04/2030Z NO VA EXP RMK: VERY FAINT VA CAN BE SEEN ON STLT MOV W. WEBCAM SHOWS INCANDESCENCE AND EXPLOSIONS. NWP MDL SUGGESTS A CONT W MOV THRU T+6HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20210604/0900Z