FVXX22 KNES 010455 VA ADVISORY DTG: 20210801/0455Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/588 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG OCNL VA EMS. OBS VA DTG: 01/0330Z OBS VA CLD: SFC/FL160 S0004 W07740 - S0005 W07739 - S0013 W07801 - S0007 W07803 - S0004 W07740 MOV SW 20KT FCST VA CLD +6HR: 01/0930Z SFC/FL160 S0004 W07740 - S0005 W07739 - S0012 W07804 - S0005 W07805 - S0004 W07740 FCST VA CLD +12HR: 01/1530Z NO VA EXP FCST VA CLD +18HR: 01/2130Z NO VA EXP RMK: OCNL VA EMS OBS MOV WSW UP TO 25 NM FM SUMMIT BEFORE DSIPTG. LTCG FCST IN FL WIND THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210801/1100Z