FVXX20 KNES 052040 VA ADVISORY DTG: 20150505/2040Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1002 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2015/031 INFO SOURCE: GOES-EAST. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. ERUPTION DETAILS: PSBL VA EMISSIONS MVG NNW OBS VA DTG: 05/2015Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL150 330/5KT FCST VA CLD +6HR: 06/0230Z FCST VA CLD +12HR: 06/0830Z FCST VA CLD +18HR: 06/1430Z RMK: LGT VA SEEN IN WEBCAM BTN BREAKS IN WX CLD CVR. PSBL ONGOING VA EMS SEEN IN VIS STLT IMAGERY MVG NNW. MODERATE CONFIDENCE, DARK ANOMALY COULD PSBLY BE A SHADOW, AS THERE IS NO EVIDENCE OF AN ERUPTION IN SEISMIC DATA. MODEL WINDS ESTIMATE FL150. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20150506/0245Z