FVXX21 KWBC 260115 VOLCANIC ASH ADVISORY ISSUED: 2002JUL26/0115Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2002/30 . INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. AVN MODEL WINDS FORECAST. MEXICO CITY MWO. . ERUPTION DETAILS: 26/0020. . OBS ASH DATE/TIME: 26/0020 . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE MWO ISSUED A SIGMET REPORTING ASH 3 MILES WEST OF THE VOLCANO BETWEEN FL180/FL220. ASH CANNOT BE SEEN IN SATELLITE IMAGERY DUE TO EXTENSIVE WEATHER CLOUDS OBSCURING THE VOLCANO. . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL26/0730. . NNNN