FVXX21 KNES 191242 VA ADVISORY DTG: 20190719/1242Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/779 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: PSBL LGT VA EMS OBS OBS VA DTG: 19/1220Z OBS VA CLD: SFC/FL160 N0008 W07800 - S0003 W07739 - S0002 W07804 - N0008 W07800 MOV W 15-20KT FCST VA CLD +6HR: 19/1830Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 20/0030Z NO ASH EXP FCST VA CLD +18HR: 20/0630Z NO ASH EXP RMK: PSBL LGT VA EMS OBS MOV W FM SUMMIT. PSBL VA FCST TO CONT W MOV THRU T+6HRS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20190719/1845Z