FVXX21 KWBC 161500
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 16 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-199         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. 12 HOUR FORECAST FROM 16/0000 UTC AVIATION MODEL.
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ERUPTION DETAILS: PERIODIC ASH AND STEAM EMISSIONS.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1415 UTC SHOWS EXTENSIVE
CLOUDINESS OVER THE VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT.
AN AIRCRAFT OBSERVATON AT 16/1302 UTC REPORTS VOLCANIC ASH OVER THE
SUMMIT AT FL270.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL270 WOULD
MOVE TO THE WEST NORTHWEST AT 15 TO 20 KTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD 
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THE NEXT STATEMENT WILL BE ISSUED BY 16/2100 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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KARST
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