FVXX21 KWBC 280130
VOLCANIC ASH ADVISORY
ISSUED 0130 UTC 28 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-879         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. THE GEOPHYSICAL INSTITUTE IN QUITO. SIX HOUR WIND
FORECAST FROM THE 27/1800 UTC AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: ASH WAS NOT DETECTED ON SATELLITE IMAGERY
THROUGH 28/0045 UTC.
THE GEOPHYSICAL INSTITUTE HAD REPORTED VOLCANIC ASH TO FL280
OVER THE VOLCANO AT 27/1235 UTC. 

TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND
FL280 WOULD MOVE TOWARDS THE WEST-SOUTHWEST AT 20-30 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 28/0730 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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