FVXX21 KWBC 221630
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1630 UTC 22 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-600         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. THE GEOPHYSICAL INSTITUTE IN QUITO.
22/1800 UTC FORECAST UPPER WINDS FROM THE 22/0600 UTC AVIATION
MODEL.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1615 UTC DOES NOT SHOW
ANY ASH DUE TO LOW AND MID LEVEL CLOUDS OBSCURING THE VIEW
AROUND THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTS THAT ASH
WAS OBSERVED OVER THE VOLCANO AT 1425 UTC TO A HEIGHT OF FL230
AND MOVING NORTHWEST.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH TO FL230 WOULD
MOVE WEST AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/2230 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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HUGHES 
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