FVXX20 KNES 141351 VA ADVISORY DTG: 20180214/1351Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/069 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: LGT VA EMS OBS VA DTG: 14/1300Z OBS VA CLD: SFC/FL140 N1002 W08346 - N0957 W08357 - N1000 W08358 - N1002 W08346 MOV W 0KT FCST VA CLD +6HR: 14/1900Z SFC/FL140 N1002 W08346 - N0956 W08359 - N1000 W08400 - N1002 W08346 FCST VA CLD +12HR: 15/0100Z SFC/FL140 N1002 W08346 - N0955 W08358 - N1001 W08401 - N1002 W08346 FCST VA CLD +18HR: 15/0700Z SFC/FL140 N1002 W08346 - N0955 W08358 - N1001 W08401 - N1002 W08346 RMK: VA EXTD 12 NM WSW FR THE SUMMIT. THE CONFIDENCE FOR NMP MODEL GUIDANCE PAST +6 HRS IS LOW. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180214/1945Z