FVXX20 KNES 121912 VA ADVISORY DTG: 20130112/1912Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/004 INFO SOURCE: GOES-13. GFS WINDS. ERUPTION DETAILS: VA NOT OBSERVED IN STLT IMAGERY OBS VA DTG: 12/1815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 13/0030Z FCST VA CLD +12HR: 13/0630Z FCST VA CLD +18HR: 13/1230Z RMK: ...SALEMI NXT ADVISORY: NO FURTHER ADVISORIES