FVXX22 KNES 181123 VA ADVISORY DTG: 20210418/1123Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/286 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: INTERMITTENT VA EMS OBS VA DTG: 18/1100Z OBS VA CLD: SFC/FL150 N0001 W07750 - S0003 W07739 - S0005 W07740 - S0004 W07753 - N0001 W07750 MOV NW 10KT FCST VA CLD +6HR: 18/1700Z SFC/FL150 N0002 W07753 - S0003 W07739 - S0005 W07739 - S0004 W07754 - N0002 W07753 FCST VA CLD +12HR: 18/2300Z NO VA EXP FCST VA CLD +18HR: 19/0500Z NO VA EXP RMK: VA NOT OBS IN STLT BUT HOTSPOT PERSISTS. INTERMITTENT VA EMS LKLY. NWP MODELS SUPPORT VA MVG TO THE NW AT 10KT BLW FL150. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20210418/1730Z