FVXX21 KNES 211538 VA ADVISORY DTG: 20151021/1538Z VAAC: WASHINGTON VOLCANO: COLIMA 341040 PSN: N1930 W10337 AREA: MEXICO SUMMIT ELEV: 12631 FT (3850 M) ADVISORY NR: 2015/539 INFO SOURCE: GOES-EAST. MEXICO CITY MWO. ERUPTION DETAILS: VA EM AT 21/1526Z 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