FVXX21 KNES 111547 VA ADVISORY DTG: 20190111/1547Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/040 INFO SOURCE: MEXICO CITY MWO. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM AT 1533Z MOV N 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