FVXX21 KNES 220459 VA ADVISORY DTG: 20190722/0459Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/792 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 22/0430Z OBS VA CLD: SFC/FL150 N0000 W07756 - S0004 W07740 - S0005 W07740 - S0005 W07756 - N0000 W07756 MOV W 15-20KT FCST VA CLD +6HR: 22/1030Z SFC/FL150 N0000 W07755 - S0004 W07739 - S0005 W07739 - S0006 W07757 - N0000 W07755 FCST VA CLD +12HR: 22/1630Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 22/2230Z NO ASH EXP RMK: OCNL VA IS SEEN MOV W FM THE SUMMIT , BUT IS OFTEN OBSCURED BY WX CLDS. NWP MDL INDICATES A CONT W MOV THRU +6HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190722/1100Z