FVXX21 KNES 211248 VA ADVISORY DTG: 20180421/1248Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/408 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 21/1215Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL160 090/10-15KT FCST VA CLD +6HR: 21/1830Z FCST VA CLD +12HR: 22/0030Z FCST VA CLD +18HR: 22/0630Z RMK: VA IS NOT OBS IN STLT IMAGERY DUE TO WX CLDS. WEBCAM IS NOT AVBL. NWP MODEL GUIDANCE INDICATES THE WIND IS FM THE E. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180421/1845Z