FVXX23 KNES 280411 VA ADVISORY DTG: 20190528/0411Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/587 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 28/0350Z OBS VA CLD: SFC/FL170 N0001 W07758 - S0004 W07739 - S0006 W07740 - S0004 W07759 - N0001 W07758 MOV W 15-20KT FCST VA CLD +6HR: 28/1000Z SFC/FL170 N0002 W07807 - S0004 W07738 - S0005 W07739 - S0007 W07808 - N0002 W07807 FCST VA CLD +12HR: 28/1600Z SFC/FL170 N0002 W07807 - S0005 W07739 - S0005 W07738 - S0005 W07808 - N0002 W07807 FCST VA CLD +18HR: 28/2200Z SFC/FL170 N0002 W07807 - S0004 W07738 - S0005 W07739 - S0006 W07808 - N0002 W07807 RMK: VA OBS IN STLT MOV W FM SUMMIT AT 20KTS BLW FL170. VA EXTDS APPROX 20NMI BFR BECOMG TOO DIFF TO DETECT. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20190528/1015Z