FVXX20 KNES 151226 VA ADVISORY DTG: 20130415/1226Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/058 INFO SOURCE: MEXICO CITY MWO. GOES-13. VOLCANO WEB CAMERA. CENAPRED. ERUPTION DETAILS: EMISSION OF ONLY GASES NO ASH OBS VA DTG: 15/1145Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 15/1800Z FCST VA CLD +12HR: 16/0000Z FCST VA CLD +18HR: 16/0600Z RMK: WEBCAM AND VO CONFIRM THAT THE WEAK PLUME MOV E FROM SUMMIT IS ONLY WATERVAPOR AND GASES AND CONTAINS NO ASH. SAT IMAGERY ALSO HAS HAD NO ASH DETECTION FOR SEVERAL HOURS. ...SWANSON NXT ADVISORY: NO FURTHER ADVISORIES