FVXX20 KNES 311503 VA ADVISORY DTG: 20151231/1503Z VAAC: WASHINGTON VOLCANO: COLIMA 341040 PSN: N1930 W10337 AREA: MEXICO SUMMIT ELEV: 12631 FT (3850 M) ADVISORY NR: 2015/749 INFO SOURCE: VOLCANO WEB CAMERA. ERUPTION DETAILS: EMISSION SEEN IN WEBCAM AT 31/1558Z 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