FVXX20 KNES 051938 VA ADVISORY DTG: 20180505/1938Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/461 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 05/1900Z OBS VA CLD: SFC/FL150 N0010 W07802 - S0005 W07740 - S0007 W07740 - S0002 W07806 - N0010 W07802 MOV NW 10-15KT FCST VA CLD +6HR: 06/0100Z SFC/FL150 N0010 W07804 - S0004 W07739 - S0008 W07740 - S0002 W07807 - N0010 W07804 FCST VA CLD +12HR: 06/0700Z SFC/FL150 N0010 W07803 - S0003 W07740 - S0009 W07738 - S0002 W07807 - N0010 W07803 FCST VA CLD +18HR: 06/1300Z SFC/FL150 NO ASH EXP RMK: VA EXTD 23NM WNW FM THE SUMMIT. NWP MODEL GUIDANCE INDICATES A CONT NW MOV THRU +12 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180506/0145Z