FVXX23 KNES 301641 VA ADVISORY DTG: 20181230/1641Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/600 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. ERUPTION DETAILS: INTMT VA EMS. 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