FVXX23 KWBC 201503 COR VOLCANIC ASH ADVISORY ISSUED: 2003JUN20/1320Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/079 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12 IMAGERY. ERUPTION DETAILS: EXHALATION AT 20/1137Z OBS ASH DATE/TIME: 20/1137Z OBS ASH CLOUD: SFC-FL250. ASH PLUME NOT IDENTIFIABLE IN METSAT IMAGERY DUE TO CLOUD COVER. ASH MOVG NW 05-10 KTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: AFWA FOR WASHINGTON VAAC. COR SENT FOR NEXT ADVISORY TIME AND TO ADD ASH FLIGHT LEVEL. ARCHULETTA/KRAMER NEXT ADVISORY: WILL BE ISSUED BY 2003JUN20/1930Z NNNN