FVXX23 KNES 180855 VA ADVISORY DTG: 20190518/0855Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/543 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 18/0250Z OBS VA CLD: SFC/FL190 S0004 W07740 - S0014 W07751 - S0007 W07756 - S0004 W07740 MOV SW 10KT FCST VA CLD +6HR: 18/0900Z SFC/FL190 S0004 W07739 - S0014 W07751 - S0007 W07757 - S0004 W07739 FCST VA CLD +12HR: 18/1500Z SFC/FL190 S0004 W07739 - S0014 W07751 - S0007 W07756 - S0004 W07739 FCST VA CLD +18HR: 18/2100Z SFC/FL190 S0004 W07739 - S0014 W07751 - S0007 W07756 - S0004 W07739 RMK: CONT VA EMS OBS MOV SW IN STLT IMAGERY. VA FCST TO CONT MOV SW THRU T+18HRS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20190518/1500Z