FVXX20 KNES 281814 VOLCANIC ASH ADVISORY ISSUED: 20070428/1808Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 LOCATION: N1446 W09133 AREA: GUATEMALA SUMMIT ELEVATION: 12375 FT (3772 M) ADVISORY NUMBER: 2007/057 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: POSSIBLE ASH CONTAINING PUFFS AT ABOUT 14Z OBS ASH DATE/TIME: 28/1745Z OBS ASH CLOUD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THERE WERE SMALL RAPIDLY DISSIPATING ASH PUFFS THIS MORNING. NO ASH OR HOTSPOTS CAN BE SEEN IN CURRENT SATELLITE IMAGERY THROUGH 1745Z BUT THE WEATHER CLOUDS OVER THE VOLCANO COULD BE HINDERING ASH DETECTION. ... NEXT ADVISORY: NO FURTHER ADVISORIES