FVXX21 KNES 221358 VA ADVISORY DTG: 20190422/1358Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1446 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2019/037 INFO SOURCE: GOES-EAST. ERUPTION DETAILS: NEW VA EMISSION 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