FVXX22 KNES 192339 VA ADVISORY DTG: 20190819/2339Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/901 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. VONA. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 19/2320Z OBS VA CLD: SFC/FL170 N0001 W07755 - S0004 W07740 - S0005 W07739 - S0004 W07757 - N0001 W07755 MOV W 20-25KT FCST VA CLD +6HR: 20/0530Z SFC/FL170 N0002 W07755 - S0004 W07739 - S0005 W07739 - S0005 W07758 - N0002 W07755 FCST VA CLD +12HR: 20/1130Z SFC/FL170 N0002 W07756 - S0004 W07739 - S0005 W07740 - S0005 W07758 - N0002 W07756 FCST VA CLD +18HR: 20/1730Z SFC/FL170 NO ASH EXP RMK: VA IS SEEN MOV WNW FM THE SUMMIT BUT IS OFTEN OBCURED BY WX CLDS. NWP MDL INDICATES A CONT WNW MOV THRU +12HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190820/0545Z