FVXX20 KNES 200954 VA ADVISORY DTG: 20160520/0954Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/055 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS PSBL OBS VA DTG: 20/0915Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 090/15KT FCST VA CLD +6HR: 20/1530Z FCST VA CLD +12HR: 20/2130Z FCST VA CLD +18HR: 21/0330Z RMK: VA NOT OBS IN STLT DUE TO WX CLD CVR. INTERMITTENT VIEWS IN WEBCAM IN PAST 06HRS SHOWED LGT EMS, LKLY A MIX OF VA AND GASSES. VA MOV W AT 15KTS BLW FL130 IS PSBL ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20160520/1600Z