FVXX23 KWBC 031236 VOLCANIC ASH ADVISORY ISSUED: 2003JUL03/1230Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/095 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. MEXICO CITY MWO ERUPTION DETAILS: EXHALATION REPORTED AT 03/1145Z. OBS ASH DATE/TIME: 03/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL220 MOVING W 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THE MEXICO CITY MWO REPORTS AN EXHALATION OF POPOCATEPETL AT 03/1145Z. ASH WAS REPORTED 1300 METERS ABOVE THE SUMMIT. CURRENT SATELLITE IMAGERY THROUGH 03/1145Z SHOWS EXTENSIVE CLOUDINESS OVER THE AREA THUS MAKING DETECTION OF ANY ASH DIFFICULT.....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003JUL03/1830Z NNNN