FVXX21 KWBC 040730
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 04 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-780         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.  SIX HOUR WIND FORECAST FROM THE 04/0000 UTC 
AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: ASH WAS NOT DETECTED IN THE SATELLITE IMAGERY
THROUGH 04/0645 UTC.
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TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND
FL250 WILL MOVE TOWARDS THE WEST..WEST-SOUTHWEST AT 10-20
KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 04/1330 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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WALTER
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