FVXX22 KNES 181719 VA ADVISORY DTG: 20210418/1719Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/287 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FQT LGT VA EMS OBS VA DTG: 18/1700Z OBS VA CLD: SFC/FL150 N0001 W07752 - S0001 W07744 - S0004 W07746 - S0002 W07754 - N0001 W07752 MOV NW 10KT FCST VA CLD +6HR: 18/2300Z SFC/FL150 N0001 W07752 - S0004 W07739 - S0006 W07739 - S0003 W07755 - N0001 W07752 FCST VA CLD +12HR: 19/0500Z NO VA EXP FCST VA CLD +18HR: 19/1100Z NO VA EXP RMK: FQT LGT VA EMS OBS IN STLT MOVG NW BLW FL150. ASH IS NO LONGER DETETCABLE BEYOND 20NMI. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20210418/2315Z