FVXX20 KWBC 250022
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC25/0030Z VAAC: WASHINGTON

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/645

INFORMATION SOURCE: GOES-12 IMAGERY. MODEL WINDS FORECAST.
GEOPHYSICAL INSTITUTE.
 
ERUPTION DETAILS: ASH EMISSIONS
                         
OBS ASH DATE/TIME: 24/2345Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS FL100/250 MOVING TO W 10-15 KNOTS.                    
          
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: SATELLITE IMAGERY THROUGH 24/2345Z SHOWS CLOUDS
OBSCURING THE VOLCANO.  SOME PATTERNS IN MULTISPECTRAL
IMAGERY ARE SUSPECT AND COULD BE ASH.  THE GEOPHYSICAL
INSTITUTE REPORTED A SLIGHT DECREASE IN ACTIVITY AND THAT
THE MOUNTAIN IS OBSCURED BY CLOUDS AND DRIZZLE.

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC25/0630Z.

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