FVXX23 KNES 051245 VA ADVISORY DTG: 20170105/1245Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/018 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 05/1215Z OBS VA CLD: SFC/FL140 N1004 W08346 - N0959 W08342 - N0931 W08432 - N0950 W08442 - N1004 W08346 MOV SW 5-10KT FCST VA CLD +6HR: 05/1830Z SFC/FL140 N1004 W08346 - N0959 W08342 - N0917 W08441 - N0952 W08455 - N1004 W08346 FCST VA CLD +12HR: 06/0030Z SFC/FL140 N1004 W08346 - N0959 W08341 - N0915 W08442 - N0952 W08458 - N1004 W08346 FCST VA CLD +18HR: 06/0630Z SFC/FL140 N1004 W08345 - N0959 W08341 - N0914 W08442 - N0952 W08459 - N1004 W08345 RMK: T+0 CONFIDENCE HIGH. MORNING VISIBLE IMAGERY SHOWS VA PLUME EXTD ROUGHLY 60 NM TO THE SW OF SUMMIT. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170105/1845Z