FVXX20 KWBC 100300
VOLCANIC ASH ADVISORY
ISSUED: 2002OCT10/0300Z  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: 2002/494
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INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. 
GUAYAQUIL MWO SIGMET.  AVN MODEL WINDS FORECAST. 
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ERUPTION DETAILS: ASH OBSERVED AT 09/2335Z

OBS ASH DATE/TIME: 10/0145Z
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OBS ASH CLOUD:  ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS
FL100/FL260 MOVING W 10-15 KNOTS.
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FCST ASH CLOUD+6H: SEE SIGMETS 
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REMARKS: THE GEOPHYSICAL INSTITUTE HAS REPORTED FREQUENT ASH
EMISSIONS FROM TUNGURAHUA.  WITHIN THE LAST SIX HOURS ASH HAS
BEEN OBSERVED AS HIGH AS FL260.  ASH IS DIFFICULT TO DETECT IN
SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDS.  KARST
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NEXT ADVISORY: WILL BE ISSUED BY 2002OCT10/0900Z
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