FVXX20 KWBC 121940
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC12/2000Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/601

INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET.   
 
ERUPTION DETAILS: ASH EMISSIONS

OBS ASH DATE/TIME: 12/1915Z 

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/FL220 MOVING TO S 5-10 KNOTS.
 
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: DAYTIME THUNDERSTORMS HAVE BEEN DEVELOPING OVER THE
VOLCANO REGION MAKING ASH DETECTION NEARLY IMPOSSIBLE AT
THIS TIME. GFS MODEL WINDS FORECAST DO NOT APPEAR TO HAVE A
GOOD HANDLE ON WIND INFORMATION AT THE ASH CLOUD LEVEL. 
CLOUDS IN THE AREA APPEAR TO HAVE MORE OF A SOUTHWARD
MOVEMENT

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC13/0200Z.            

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