FVXX21 KWBC 281230
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1230 UTC 28 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-250        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 WINDS. AVIATION MODEL
WINDS FORECAST. 6 HOUR WIND FORECAST FROM THE 28/0600 UTC
AVIATION MODEL.
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ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES AND ASH.
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DETAILS OF ASH: NO ASH CAN BE DETECTED IN SATELLITE IMAGERY
THRU 28/1115 UTC DUE TO EXTENSIVE LOW AND MID LEVEL CLOUDS.
HOWEVER AT 28/1125 UTC AN AIRCRAFT REPORTED ASH OVER THE
VOLCANO TO FL240 EXTENDING 10NM TO THE WEST-NORTHWEST.
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TRAJECTORY: ASH AT FL240 WOULD MOVE TOWARD THE WEST-NORTHWEST AT 20
KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 28/1830 UTC.

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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WALTER
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