FVXX23 KNES 270854 VA ADVISORY DTG: 20190527/0854Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/583 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 27/0830Z OBS VA CLD: SFC/FL170 N0000 W07801 - S0002 W07738 - S0007 W07738 - S0007 W07802 - N0000 W07801 MOV W 15-20KT FCST VA CLD +6HR: 27/1430Z SFC/FL170 N0000 W07805 - S0003 W07738 - S0007 W07738 - S0007 W07806 - N0000 W07805 FCST VA CLD +12HR: 27/2030Z SFC/FL170 N0000 W07805 - S0004 W07738 - S0007 W07739 - S0007 W07805 - N0000 W07805 FCST VA CLD +18HR: 28/0230Z SFC/FL170 N0000 W07805 - S0003 W07738 - S0007 W07739 - S0006 W07805 - N0000 W07805 RMK: ONGOING VA EMS OBS IN STLT MOVG W FM SUMMIT AT APPROX 15KTS BLW FL170. ASH EXTDS FOR 20NMI BEFORE DISSIPATING. INTERMITTENT INCANDESCENCE SEEN IN WEBCAM ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20190527/1500Z