FVXX22 KNES 040041 VA ADVISORY DTG: 20181204/0041Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/306 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EMS OBS VA DTG: 04/0015Z OBS VA CLD: SFC/FL130 N1004 W08349 - N1002 W08346 - N1001 W08346 - N1002 W08350 - N1004 W08349 MOV NW 5-10KT FCST VA CLD +6HR: 04/0630Z SFC/FL130 NO ASH EXP FCST VA CLD +12HR: 04/1230Z NO ASH EXP FCST VA CLD +18HR: 04/1830Z NO ASH EXP RMK: VA IS NOT SEEN IN STLT IMAGERY AND WEB CAM DUE TO WX CLDS AND DARKNESS. T+0 BASED ON MODEL GUIDANCE AND LAST VISIBLE WEB CAM IMAGE FM ARND 03/2230Z. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20181204/0645Z