FVXX21 KWBC 161930
VOLCANIC ASH ADVISORY  
ISSUED 1930 UTC 16 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-705         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. UPPER AIR WIND FORECAST FROM THE 
AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 16/1845 UTC SHOWED
EXTENSIVE LOW AND MID LEVEL CLOUDS OVER THE VOLCANO MAKING ANY
DETECTION OF ASH DIFFICULT.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL230 WOULD MOVE
TOWARDS THE WEST-SOUTHWEST AT 20 TO 25 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 17/0130 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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KARST
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