FVXX21 KWBC 260630
VOLCANIC ASH ADVISORY  
ISSUED 0630 UTC 26 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-745         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. 6 HOUR WIND FORECAST FROM THE 26/0000 UTC AVIATION
MODEL.  GEOPHYSICAL INSTITUTE. 
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH
EMISSIONS.  
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 26/0545 UTC SHOWS
EXTENSIVE CLOUD COVER OVER AND AROUND THE SUMMIT MAKING
DETECTION OF ASH DIFFICULT.  ASH WAS LAST OBSERVED BY THE
GEOPHYSICAL INSTITUTE AT 25/1228 UTC WITH NO HEIGHT
ASSIGNMENT.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL280 WILL MOVE TOWARDS THE
WEST-SOUTHWEST AT 15-20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 26/1230 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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RUMINSKI
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