FVXX21 KWBC 230456 VOLCANIC ASH ADVISORY ISSUED: 2003NOV23/0500Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/111 INFORMATION SOURCE: GOES-12 IMAGERY. MEXICO CITY MWO. ERUPTION DETAILS: EXHALATION AT 22/2248Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: ASH HAS NOT BEEN DETECTED ON THE SATELLITE IMAGERY OVER THE PAST SIX HOURS....WALTER NEXT ADVISORY: NO FURTHER ADVISORIES NNNN