FVXX20 KNES 050338 VA ADVISORY DTG: 20130705/0338Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/177 INFO SOURCE: MEXICO CITY MWO. GOES-13. GFS WINDS. NAM WINDS. HYSPLIT. SEISMIC DETECTION. RADIOSONDE. VOLCANO WEB CAMERA. CENAPRED. ERUPTION DETAILS: ONGOING EMISSIONS SINCE 03/2300 SHOWING SIGNS OF SLOWING/REDUCING OBS VA DTG: 05/0332Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL270 160/5-10KT FCST VA CLD +6HR: 05/0930Z FCST VA CLD +12HR: 05/1530Z FCST VA CLD +18HR: 05/2130Z RMK: VA WAS LAST SEEN AROUND 04/2300Z NW OF SUMMIT. SINCE EXTENSIVE WX CLDS HAVE OBSCURED THE AREA LEADING TO WET DEPOSITION ELIMINATING VA FROM ATMOS EXCEPT NEAR SOURCE/CLEAR AIR. NOTE: OPS HYSPLIT INCR AMT OF VA TO USE FOR TRACERS. THO MOST REMOVED BY WET DEPOSITION PROCESS. ...GALLINA NXT ADVISORY: WILL BE ISSUED BY 20130705/0945Z