FVXX21 KWBC 310830
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0830 UTC 31 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-381         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. UPPER WIND FORECAST FROM THE AVN MODEL.
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ERUPTION DETAILS: CONTINUOUS GAS EMISSION WITH OCCASIONAL ASH
EMISSIONS.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0745 UTC SHOWS CLOUDS
OBSCURING THE VOLCANO. UNTIL 0345 UTC A HOT SPOT WAS OBSERVED 
AT THE SUMMIT HOWEVER CLOUDS ARE TO NOW TO THICK FOR FURTHER 
DETECTION. MULTISPECTRAL IMAGERY DOES NOT INDICATE ASH ABOVE
THE CLOUD COVER.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL300
WILL MOVE WEST AROUND 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 31/1430 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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