FVXX20 KWBC 171830 
VOLCANIC ASH ADVISORY
ISSUED: 2002AUG17/1830Z  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: 2002/399     
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INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL SIGMET. AVN MODEL

ERUPTION DETAILS: EXHALATION AT 17/1750Z
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OBS ASH DATE/TIME: 17/1815Z
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OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS
FL100/FL300 MOVING E 15-20 KNOTS.
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FCST ASH CLOUD+6H: SEE SIGMETS.
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REMARKS: TWO PILOT REPORTS WERE RECEIVED FROM GUAYAQUIL WITH
OBSERVATION OF VOLCANIC ASH TO FL300 MOVING EAST. SATELLITE
IMAGERY DOES NOT INDICATE ANY ASH AT THIS TIME DUE TO CLOUDINESS
IN THE VICINITY. WE WILL CONTINUE TO MONITOR THE IMAGERY FOR
EVIDENCE OF VOLCANIC ASH. KARST
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NEXT ADVISORY: WILL BE ISSUED BY 2002AUG18/0030Z
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