FVXX21 KWBC 290630
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0630 UTC 29 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-501         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. GEOPHYSICAL INSTITUTE. FORECAST FROM THE 29/0000 UTC
AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 29/0545 UTC SHOWS
EXTENSIVE CLOUDS OVER THE AREA MAKING DETECTION OF ASH
DIFFICULT.  THE GEOPHYSICAL INSTITUTE HOWEVER DID REPORT ASH
OVER THE SUMMIT AT 29/0242 UTC WITH NO GIVEN HEIGHT.
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TRAJECTORY: ASH AT FL250 WOULD MOVE TOWARDS THE WEST AT 20
KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 29/1230 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS 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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