FVXX23 KNES 201856 VA ADVISORY DTG: 20190520/1856Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/555 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 20/1830Z OBS VA CLD: SFC/FL160 S0001 W07756 - S0003 W07741 - S0005 W07740 - S0013 W07755 - S0001 W07756 MOV W 5-10KT FCST VA CLD +6HR: 21/0030Z SFC/FL160 S0001 W07756 - S0004 W07738 - S0006 W07740 - S0011 W07756 - S0001 W07756 FCST VA CLD +12HR: 21/0630Z SFC/FL160 N0001 W07756 - S0005 W07738 - S0006 W07737 - S0008 W07758 - N0001 W07756 FCST VA CLD +18HR: 21/1230Z SFC/FL160 N0005 W07754 - S0004 W07738 - S0005 W07741 - S0007 W07758 - N0005 W07754 RMK: INTERMITTENT VA PUFFS NOTED IN VOLCAT AND STLT IMAGERY. VA NOT SEEN IN WEBAM DUE TO WX CLDS. VA MOV TO WSW ...LEE NXT ADVISORY: WILL BE ISSUED BY 20190521/0100Z