FVXX23 KWBC 201922 VOLCANIC ASH ADVISORY ISSUED: 2003JUN20/1920Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/080 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12 IMAGERY. ERUPTION DETAILS: EXHALATION AT 20/1137Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH IS NOW TOO THIN TO BE DETECTED IN SATELLITE IMAGERY. MEXICO CITY ISSUED A CANCELLATION FOR SIGMET 1B VALID 201140/201740... BROWN NEXT ADVISORY: NO FURTHER ADVISORIES. NNNN