FVXX21 KWBC 030730 
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 03 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-776         ECUADOR 0128S 7826W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY.  WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL
INSTITUTE REPORT.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: EXTENSIVE LOW AND MID LEVEL CLOUDS COVER THE
VOLCANO MAKING IT DIFFICULT TO DISCERN ASH IN SATELLITE
IMAGERY THROUGH 0645 UTC. THE GEOPHYSICAL INSTITUTE OBSERVED
ASH OVER THE VOLCANO TO FL220 AT 02/1904 UTC. AT THAT TIME THE
INSTITUTE REPORTED THAT THE ASH WAS MOVING TOWARDS THE WEST
AND SOUTHWEST.
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TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND
FL220 IS FORECAST TO MOVE TOWARDS THE WEST AND SOUTHWEST AT 20
TO 25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 03/1330 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST
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