FVXX20 KNES 240059 VA ADVISORY DTG: 20150424/0059Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1002 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2015/019 INFO SOURCE: TEGUCIGALPA MWO. ERUPTION DETAILS: EMISSION RPRT 23/2350Z FL180 MOV SW 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