FVXX21 KNES 212320 VA ADVISORY DTG: 20190721/2320Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/791 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 21/2250Z OBS VA CLD: SFC/FL160 N0007 W07800 - S0004 W07739 - S0006 W07740 - N0004 W07802 - N0007 W07800 MOV W 10-15KT FCST VA CLD +6HR: 22/0500Z SFC/FL160 N0006 W07801 - S0004 W07739 - S0005 W07740 - N0002 W07801 - N0006 W07801 FCST VA CLD +12HR: 22/1100Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 22/1700Z NO ASH EXP RMK: VA EXT 25 NM WNW OF THE SUMMIT. LTLCG EXP OVR NXT 6 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190722/0515Z