FVXX21 KWBC 151100
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1100 UTC 15 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-570         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 WIND FORECAST FROM THE 15/0000 UTC AVIATION
MODEL. GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH
EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 15/1015 UTC SHOWS
THICK LAYERED CLOUDS OBSCURING THE AREA OVER AND AROUND THE
VOLCANO MAKING DETECTION OF ASH DIFFICULT.  AT 15/1029 UTC THE
GEOPHYSICAL INSTITUTE HOWEVER DID REPORT ASH TO FL250. 
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL250 WOULD MOVE TOWARD
THE WEST-SOUTHWEST AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 15/1700 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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WALTER
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