FVXX21 KWBC 102105 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2105 UTC 10 OCTOBER 1999 BY THE WASHINGTON VAAC . SANTA MARIA 99-006 GUATEMALA 14.72N 91.65W . BACKGROUND: SANTA MARIA GUATEMALA (1402-03) SUMMIT HEIGHT 12375 FT (3763 M) . SOURCES OF INFORMATION:GOES 8 INFRARED AND VISIBLE IMAGERY . ERUPTION DETAILS: SURFACE REPORTS INDICATED VOLCANO ERUPTING AT 10/1200 UTC. . DETAILS OF ASH: NO ASH WAS EVER DISCERNABLE IN GOES 8 VISIBLE..INFRARED OR MULTI-SPECTRAL IMAGERY. HIGH LEVEL CLOUDS PARTIALLY OBSCURED THE AREA THROUGH MID AFTERNOON AND THEN CONVECTIVE CLOUDS FURTHER OBSCURED THE AREA. NO FURTHER SURFACE REPORTS OR OTHER SOURCES OF INFORMATION HAVE INDICATED A CONTINUATION OF THE ERUPTION. . TRAJECTORY: N/A . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE LATEST SIGMET. . THIS WILL BE THE LAST STATEMENT ON THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . RUMINSKI . NNNN