FVXX20 KNES 240136 VA ADVISORY DTG: 20150424/0136Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1002 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2015/020 INFO SOURCE: GOES-EAST. TEGUCIGALPA MWO. METAR. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING LOW EMISSION OF GAS AND LGT ASH OVER EDGE OF SUMMIT. OBS VA DTG: 24/0045Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 070/20KT FCST VA CLD +6HR: 24/0700Z FCST VA CLD +12HR: 24/1300Z FCST VA CLD +18HR: 24/1900Z RMK: NO VA DETECTED IN SAT IMAGERY DUE TO CLDS. WEBCAM SHOWN CONT EMISSION OF GAS WITH LGT ASH FOR OVR 8 HRS MOV W. SEISMIC ALSO JUST LGT MOVEMENT NOTHING BIG. ASH FINALLY RPRTD AT SAN JUAN MROC. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20150424/0730Z