FVXX23 KWBC 210947 VOLCANIC ASH ADVISORY ISSUED: 2003JUN21/1000Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/083 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12 IMAGERY. UPPER AIR SOUNDING. ERUPTION DETAILS: EXHALATION AT 20/2057Z OBS ASH DATE/TIME: 21/0915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING W 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 21/0915Z DUE TO EXTENSIVE WEATHER CLOUDS. NEXT ADVISORY: WILL BE ISSUED BY 2003JUN21/1600Z NNNN