FVXX20 KWBC 281901
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC28/1900Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/661

INFORMATION SOURCE: GOES-12 IMAGERY.  
 
ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
                         
OBS ASH DATE/TIME: 28/1215Z

OBS ASH CLOUD: SFC/FL250 17 NM WIDE LINE BETWEEN S0124W07829
- S0124W07758.  ASH IS MOVING VARIABLE N TO E 5-10 KNOTS.

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

REMARKS: SATELLITE IMAGERY AT 1815Z SHOWED A WIDE DIFFUSE 
PLUME OF ASH AND GASES FANNING FROM NORTH TO EAST FROM
SUMMIT. THE WINDS ALOFT ARE LIGHT AND VARIABLE. SATELLITE
IMAGERY SHOWS THE ASH SLOWLY DRIFTING AND WE ESTIMATE THE
HEIGHT BELOW FL250. 

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC29/0100Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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