FVXX21 KWBC 121530
VOLCANIC ASH ADVISORY
ISSUED: 2004JAN12/1530Z VAAC: WASHINGTON

VOLCANO: SANTA MARIA 1402-03
LOCATION: N1445W09133    AREA: GUATEMALA
 
SUMMIT ELEVATION: 12375 FT (3772 M)

ADVISORY NUMBER: 2004/007

INFORMATION SOURCE: GOES 12 IMAGERY GFS MODEL WINDS FORECAST 
      
ERUPTION DETAILS: EXHALATIONS STARTING ABOUT 12/1430Z

OBS ASH DATE/TIME: 12/1445Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS SFC/FL150 MOVING NW 5-10 KNOTS.

FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: A SIGMET FROM TEGUCIGALPA INDICATES THE VOLCANO HAD
AN EXHALATION AROUND 12/1430Z.  A VERY SMALL POSSIBLE PLUME
IS OBSERVED IN THE CURRENT IMAGERY THROUGH 12/1445Z.  THIS
PLUME WAS OBSERVED MOVING OFF TO THE NORTHWEST.  BASED ON
THIS MORNINGS GFS MODEL WINDS FORECAST WE BELIEVE THE ASH IS
SOMEWHAT LOWER..FL150..THAN THE FL200 STATED IN THE CURRENT
SIGMET....WALTER  
      
NEXT ADVISORY: WILL BE ISSUED BY 2004JAN12/2130Z

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