FVXX21 KNES 261539 VA ADVISORY DTG: 20170926/1539Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/257 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: CONS EM OBS VA DTG: 26/1415Z OBS VA CLD: SFC/FL120 N1016 W08402 - N1002 W08344 - N1001 W08346 - N1013 W08405 - N1016 W08402 MOV NW 10-15KT FCST VA CLD +6HR: 26/2030Z SFC/FL120 N1023 W08344 - N1001 W08344 - N1001 W08347 - N1023 W08349 - N1023 W08344 FCST VA CLD +12HR: 27/0230Z SFC/FL120 N1027 W08341 - N1026 W08337 - N1001 W08343 - N1001 W08347 - N1027 W08341 FCST VA CLD +18HR: 27/0830Z SFC/FL120 N1023 W08347 - N1001 W08344 - N1001 W08346 - N1023 W08352 - N1023 W08347 RMK: VO RPRT NEW ERUPTION. STLT IMAGERY THRU 1415Z SHOWED EM EXT 20 NM NW OF THE SUMMIT BFR WX CLD OBSC AREA AND ERUPTION BEGAN. MODEL FCST WINDS SGL SHARP TURN TO N IN EM WI 6 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20170926/2145Z