FVXX20 KWBC 031923
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC03/1930Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/564

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS.
GEOPHYSICAL INSTITUTE
 
ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS
                         
OBS ASH DATE/TIME: 03/1815Z
               
OBS ASH CLOUD: SFC/FL250 10 NM WIDE LINE BETWEEN S0128W07826
- S0130W07759. ASH IS MOVING E 5-10 KNOTS.

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

REMARKS: VISIBLE IMAGERY SHOWS A WELL DEFINED PLUME OF ASH
EXTENDING TO THE EAST OF THE VOLCANO. THE ASH IS ESTIMATED
TO FL250 AND IS MOVING E AT 5 TO 10 KNOTS. THE LEADING EDGE
OF THE ASH IS APPROXIMATELY 30 NM FROM THE SUMMIT.

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC04/0130Z.
                                        
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"Attached Graphic Map Depicting Ash Only" 

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