FVXX23 KNES 262012 VA ADVISORY DTG: 20180426/2012Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/135 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: PSBL ONGOING EMS OBS VA DTG: 26/1945Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 135/5KT FCST VA CLD +6HR: 27/0200Z FCST VA CLD +12HR: 27/0800Z FCST VA CLD +18HR: 27/1400Z RMK: VA NOT SEEN ON STLT DUE TO WX CLDS. NWP MODEL WINDS LGT AND VRB AT FL SO WIND DIR BASED ON PREV FCST. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20180427/0215Z