FVXX20 KWBC 011240
VOLCANIC ASH ADVISORY
ISSUED: 2002AUG01/1240Z  VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2002/365

INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE.
AVN MODEL WINDS FORECAST. GOES-8 IMAGERY.
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ERUPTION DETAILS: ONGOING EMISSIONS OF ASH 
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OBS ASH DATE/TIME: 01/1145Z
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OBS ASH CLOUD: SFC/FL200 3 NM WIDE LINE OF ASH EXTENDING BETWEEN
S0128W07826 S0113W07918 MOVING NW 20 KNOTS. 
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FCST ASH CLOUD+6H: SEE SIGMETS.
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REMARKS: FIRST VISIBLE IMAGE OF THE DAY INDICATED AN ASH PLUME
EXTENDED AT LEAST 55 NM TO THE NORTHWEST OF THE SUMMIT.  THE
WESTERN EXTENT OF THE ASH BOUNDARY COULD NOT BE DETERMINED DUE TO
CLOUD COVER. ASH IS ESTIMATED TO FL200 BASED ON A PILOT REPORT
CITED IN THE 1220Z GUAYAQUIL SIGMET.  
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NEXT ADVISORY: WILL BE ISSUED BY 2002AUG01/1830Z.
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"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"