FVXX21 KNES 302316 VA ADVISORY DTG: 20190730/2316Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/821 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EM MOV WNW OBS VA DTG: 30/2300Z OBS VA CLD: SFC/FL150 N0005 W07801 - S0004 W07740 - S0005 W07739 - S0002 W07801 - N0005 W07801 MOV W 10-15KT FCST VA CLD +6HR: 31/0500Z SFC/FL150 N0005 W07801 - S0004 W07739 - S0005 W07740 - S0002 W07801 - N0005 W07801 FCST VA CLD +12HR: 31/1100Z SFC/FL150 N0004 W07801 - S0004 W07739 - S0005 W07739 - S0004 W07801 - N0004 W07801 FCST VA CLD +18HR: 31/1700Z SFC/FL150 N0004 W07801 - S0004 W07739 - S0005 W07739 - S0003 W07801 - N0004 W07801 RMK: DISCRETE VA EM DETECTED MOV WNW AND EXTND APRX 23 NM FROM SUMMIT. VA EM EXPECTED TO CONT THRU FCST PERIOD BASED ON RECENT ACT. MODELS INDICATE VA TO CONT MOV WNW. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20190731/0515Z