FVXX23 KNES 081955 VA ADVISORY DTG: 20180108/1955Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/002 INFO SOURCE: NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS IN WEBCAM OBS VA DTG: 08/1915Z OBS VA CLD: SFC/FL140 N1009 W08355 - N1003 W08346 - N1002 W08347 - N1004 W08356 - N1009 W08355 MOV NW 10KT FCST VA CLD +6HR: 09/0130Z SFC/FL140 N1006 W08356 - N1003 W08346 - N1002 W08346 - N1002 W08356 - N1006 W08356 FCST VA CLD +12HR: 09/0730Z SFC/FL140 N1003 W08346 - N1002 W08346 - N0959 W08356 - N1003 W08357 - N1003 W08346 FCST VA CLD +18HR: 09/1330Z SFC/FL NO ASH EXP RMK: VA EMS OBS IN WEBCAM AT 1954Z, VA NOT OBS IN STLT IMAGERY. +12 FORECAST BASED ON NWP MODEL GUIDANCE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20180109/0200Z