FVXX20 KWBC 231237
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC23/1230Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/639

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. 
 
ERUPTION DETAILS: ASH EMISSIONS WITH RECENT PUFF AT ABOUT
1130Z
                         
OBS ASH DATE/TIME: 23/1215Z

OBS ASH CLOUD: SFC/FL260 5 NM WIDE LINE BETWEEN S0128W07826
- S0129W07844.  ASH IS MOVING W 15-20 KNOTS.           
               
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: SATELLITE IMAGERY SHOWS THAT AN ASH EMISSION
OCCURRED BETWEEN 1115Z AND 1145Z.  AN ASH PLUME EXTENDS FROM
THE VOLCANO TOWARD THE WEST.  THE PLUME IS ABOUT 5 NM WIDE
AND 16NM LONG.   

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC23/1830Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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