FVXX22 KNES 182325 VA ADVISORY DTG: 20190418/2325Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/425 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 18/2300Z OBS VA CLD: SFC/FL160 N0007 W07738 - S0005 W07738 - S0005 W07740 - N0005 W07746 - N0007 W07738 MOV N 10KT FCST VA CLD +6HR: 19/0500Z SFC/FL160 N0011 W07737 - S0005 W07738 - S0005 W07740 - N0003 W07754 - N0011 W07737 FCST VA CLD +12HR: 19/1100Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 19/1700Z NO ASH EXP RMK: VA EM VISIBLE IN STLT IMAGERY MOV N FM SUMMIT FL160. NWP MODEL FCST GUIDANCE AGREES SLIGHTLY WITH OBS TRAJECTRY. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190419/0530Z