FVXX20 KNES 250434 VA ADVISORY DTG: 20160525/0434Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/075 INFO SOURCE: OVSICORI-UNA. ERUPTION DETAILS: ERUPTION RPRTD 3500M ABOVE SUMMIT 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