FVXX21 KNES 211918 VOLCANIC ASH ADVISORY ISSUED: 2004OCT21/1918Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 LOCATION: N1446W09133 AREA: GUATEMALA SUMMIT ELEVATION: 12375 FT (3772 M) ADVISORY NUMBER: 2004/24 INFORMATION SOURCE: GOES-12. ERUPTION DETAILS: HOTSPOT SEEN AT 21/1015Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: DAILY THUNDERSTORMS HAVE BUILT OVER THE AREA OBSCURING THE SUMMIT. HOWEVER...ASH DISSIPATED BEFORE THEN SO WILL END ADVISORY. ...GALLINA THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN