FVXX24 KNES 201301 VA ADVISORY DTG: 20160520/1301Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2016/055 INFO SOURCE: GOES-EAST. BOGOTA MWO. ERUPTION DETAILS: PSBL VA EM AT 20/1200Z 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