FVXX22 KNES 161049 VA ADVISORY DTG: 20181216/1049Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/336 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: PSBL VA OBS VA DTG: 16/1015Z OBS VA CLD: SFC/FL130 N1002 W08346 - N0955 W08353 - N1001 W08356 - N1002 W08346 MOV W 10-15KT FCST VA CLD +6HR: 16/1630Z SFC/FL130 NO ASH EXP FCST VA CLD +12HR: 16/2230Z NO ASH EXP FCST VA CLD +18HR: 17/0430Z NO ASH EXP RMK: PSBL VA OBS IN VO WEBCAM. PSBL WEAK VA SIGNATURE OBS MOV WSW FM SUMMIT IN STLT IMAGERY. NWP MDLS SUPPORT VA WSW MOV THRU T+6HRS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20181216/1645Z