FVXX20 KNES 092046 VA ADVISORY DTG: 20180209/2046Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/053 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 09/2015Z OBS VA CLD: SFC/FL140 N1002 W08347 - N1001 W08346 - N0956 W08350 - N1000 W08353 - N1002 W08347 MOV SW 10-15KT FCST VA CLD +6HR: 10/0230Z SFC/FL140 N1003 W08346 - N1001 W08346 - N0956 W08350 - N1000 W08353 - N1003 W08346 FCST VA CLD +12HR: 10/0830Z SFC/FL140 N1002 W08346 - N1001 W08346 - N0957 W08350 - N1002 W08353 - N1002 W08346 FCST VA CLD +18HR: 10/1430Z SFC/FL140 N1002 W08353 - N1002 W08346 - N1001 W08346 - N0958 W08352 - N1002 W08353 RMK: VA EMS EVIDENT IN WEBCAM AND VISIBLE STLT IMAGERY. CONS EMS EXTEND SW FROM SUMMIT TO APPROXIMATELY 12 NM. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180210/0245Z