FVXX21 KWBC 170900
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0900 UTC 17 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-202         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.
12 HOUR FORECAST FROM THE 17/0000 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 0815 UTC SHOWS NO SIGNS OF
ANY ASH. CLOUDS ARE CURRENTLY OBSCURING MUCH OF THE AREA SURROUNDING
THE VOLCANO.  THE VOLCANO REMAINS IN A VERY ACTIVE STATE AND COULD
ERUPT ANYTIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH ABOVE FL270 WOULD
MOVE TO THE WEST NORTHWEST AT 20 TO 30 KTS. WINDS BELOW FL270 ARE
VARIABLE AND LESS THAN 15 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 17/1500 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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