FVXX21 KNES 171634 VA ADVISORY DTG: 20160917/1634Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/167 INFO SOURCE: VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: VA EM AT 17/1558Z RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NXT ADVISORY: AS SOON AS POSSIBLE