FVXX20 KNES 121323 VA ADVISORY DTG: 20130812/1323Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/233 INFO SOURCE: GOES-13. NAM WINDS. RADIOSONDE. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING OUTGASSING/STEAM WITH OCCASSIONAL VA EMISSIONS OBS VA DTG: 12/1302Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL190 090/5-10KT FCST VA CLD +6HR: 12/1900Z FCST VA CLD +12HR: 13/0100Z FCST VA CLD +18HR: 13/0700Z RMK: VA CANNOT BE SEEN IN STLT HOWEVER IN CAM VERY HIGH STEAM/GAS EMISSIONS CAN BE SEEN...AS IT EVAPORATES LGT GRAYISH LAYER IS SEEN INDICATING PSBL LGT VA REMAINS. HGT LOWERED TO INVERSION SEEN IN RAOB. ...GALLINA NXT ADVISORY: WILL BE ISSUED BY 20130812/1930Z