FVXX20 KNES 052353 VA ADVISORY DTG: 20130505/2353Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/073 INFO SOURCE: GOES-13. RADIOSONDE. ERUPTION DETAILS: SHORT EMISSION OF GASES AND POSSIBLE ASH ARND 2240Z OBS VA DTG: 05/2315Z OBS VA CLD: SFC/FL220 N1901 W09809 - N1855 W09809 - N1852 W09834 - N1901 W09837 - N1901 W09809 MOV E 35KT FCST VA CLD +6HR: 06/0530Z SFC/FL220 NO ASH EXP FCST VA CLD +12HR: 06/1130Z NO ASH EXP FCST VA CLD +18HR: 06/1730Z NO ASH EXP RMK: SEE SMALL EMISSION FROM VOLC E 17 NM IN VIS AND MULTISPECTRAL SAT IMAGERY. DIR AND SPEED INDICATE EST FL220. MOV E AT 35KT AND WILL LKLY DISP BEFORE 06HR FCST. ASH CONTENT UNKN BUT LOOKS LGT. ...SWANSON NXT ADVISORY: NO FURTHER ADVISORIES