FVXX22 KNES 141415 VA ADVISORY DTG: 20181214/1415Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/331 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. ERUPTION DETAILS: NEW VA EMS. OBS VA DTG: 14/1400Z OBS VA CLD: SFC/FL120 N1002 W08347 - N1001 W08347 - N0956 W08351 - N1001 W08355 - N1002 W08347 MOV SW 5KT FCST VA CLD +6HR: 14/2000Z SFC/FL120 NO ASH EXP FCST VA CLD +12HR: 15/0200Z NO ASH EXP FCST VA CLD +18HR: 15/0800Z NO ASH EXP RMK: VA WITH SOME STEAM EVIDENT IN WEBCAM IMAGERY. VA NOT SEEN IN STLT IMAGERY DUE TO SMALL SIZE OF PLUME. VA DRIFTING SW FROM SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20181214/2015Z