FVXX22 KNES 181738 VA ADVISORY DTG: 20190418/1738Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/424 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 18/1720Z OBS VA CLD: SFC/FL160 N0007 W07750 - S0005 W07739 - S0005 W07739 - S0004 W07757 - N0007 W07750 MOV NW 10KT FCST VA CLD +6HR: 18/2330Z SFC/FL160 N0011 W07749 - S0004 W07739 - S0005 W07740 - N0000 W07758 - N0011 W07749 FCST VA CLD +12HR: 19/0530Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 19/1130Z NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY DUE TO WX CLD IN AREA. VA EM OBS IN WEB CAMERA 18/1548Z. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190418/2345Z