FVXX20 KNES 241430 VA ADVISORY DTG: 20170824/1430Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/230 INFO SOURCE: GOES-EAST. RADIOSONDE. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ERUPTION AT 24/1315Z OBS VA DTG: 24/1400Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 135/10-15KT FCST VA CLD +6HR: 24/2000Z FCST VA CLD +12HR: 25/0200Z FCST VA CLD +18HR: 25/0800Z RMK: ERUPTION REPORTED BY OVSICORI AND SEEN IN WEB CAM. EM CONT IN WEB CAM BUT ARE NOT SEEN IN STLT IMAGERY DUE TO HIGHER LEVEL CLOUDS. VA IS LESS THAN 500M ABV THE SUMMIT. ...RUMINSKI NXT ADVISORY: WILL BE ISSUED BY 20170824/2030Z