FVXX21 KWBC 271700
VOLCANIC ASH ADVISORY
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ISSUED: 2001DEC27/1700Z  VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2001/290

INFORMATION SOURCE: SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH
OFFICE. GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY.
AVIATION MODEL WIND FORECAST.
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ERUPTION DETAILS: ASH OBSERVED AT 27/1500Z. 
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DETAILS OF ASH CLOUD: A SIGMET INDICATES THAT THE GEOPHYSICAL
INSTITUTE OBSERVED ASH AT 1500Z TO FL23O MOVING WEST.  SATELLITE
IMAGERY THROUGH 1545Z DOES NOT SHOW ASH BUT ASH DETECTION MIGHT
BE HINDERED BY THE WEATHER CLOUDS IN THE AREA.
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TRAJECTORY: ASH IS MOVING WEST AT ABOUT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC27/2300Z.
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