FVXX20 KWBC 251724
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC25/1830Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/648

INFORMATION SOURCE: GOES-12 IMAGERY. MODEL WINDS FORECAST.
 
ERUPTION DETAILS: ASH EMISSIONS
                         
OBS ASH DATE/TIME: 25/1745Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS FL100/270 MOVING TO W 15-20 KNOTS.                    
          
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: EXTENSIVE CLOUDS IN SATELLITE IMAGERY MAKES IT
DIFFICULT TO DETECT ASH. ASH WAS OBSERVED TO FL270 BY THE
GEOPHYSICAL INSTITUTE AT 1625Z. 

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC26/0030Z.

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