FVXX21 KWBC 250030
VOLCANIC ASH ADVISORY  
ISSUED 0030 UTC 25 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-740         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 VISIBLE..INFRARED AND
MULTISPECTRAL IMAGERY.  6 HOUR WIND FORECAST FROM THE  
24/1800 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: ASH IS NOT SEEN ON THE SATELLITE IMAGERY
THROUGH 24/2245 UTC.  HOWEVER AT 24/2333 UTC THE GEOPHYSICAL
INSTITUTE REPORTED ASH OVER THE SUMMIT TO FL280.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL280 WILL MOVE TOWARDS THE
WEST-SOUTHWEST AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 25/0630 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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