FVXX21 KWBC 161845 VOLCANIC ASH ADVISORY ISSUED: 2002AUG16/1845Z VAAC: WASHINGTON . VOLCANO: SANTA MARIA 1402-03 LOCATION: N1476W09155 AREA: GUATEMALA . SUMMIT ELEVATION: 12375 FT (3772 M) . ADVISORY NUMBER: 2002/03 . INFORMATION SOURCE: GOES-8 IMAGERY. INSIVUMEH INSTITUTE. . ERUPTION DETAILS: 16/1510. . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE INSIVUMEH INSTITUTE REPORTED A DOME COLLAPSE AT 1510Z WITH SOME NEAR SUMMIT ASH. THERE IS NO ASH EVIDENT IN SATELLITE IMAGERY AT THIS TIME. WE WILL CONTINUE TO MONITOR THE AREA AND SEND ADDITIONAL ADVISORIES IF MORE INFORMATION IS AVAILABLE. . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN