FVXX23 KNES 071527 VA ADVISORY DTG: 20180307/1527Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/089 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 07/1500Z OBS VA CLD: SFC/FL170 N1023 W08356 - N1002 W08345 - N1001 W08347 - N1016 W08405 - N1023 W08356 MOV NW 5-10KT FCST VA CLD +6HR: 07/2100Z SFC/FL170 N1023 W08354 - N1002 W08346 - N1001 W08346 - N1016 W08404 - N1023 W08354 FCST VA CLD +12HR: 08/0300Z SFC/FL170 NO ASH EXP FCST VA CLD +18HR: 08/0900Z NO ASH EXP RMK: DISTINCT ATTACHED PLUME TO APPROXIMATELY 25 NM NW OF SUMMIT SEEN IN VIS STLT IMAGERY. VA ALSO SEEN IN WEBCAM IMAGERY. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180307/2130Z