FVXX21 KWBC 021930 CCA
VOLCANIC ASH ADVISORY STATEMENT - CORRECTION 
ISSUED 1930 UTC 02 APR 2000 BY THE WASHINGTON VAAC 
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CORRECTION OF NEXT STATEMENT ISSUE DATE FROM 02/0130 UTC TO
03/0130 UTC.
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TUNGURAHUA 00-392         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. 6 HOUR WIND FORECAST FROM THE 1200 UTC
AVIATION MODEL.  
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ERUPTION DETAILS: GAS AND ASH EMISSIONS
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 02/1845 UTC
INDICATES BROKEN CLOUDS OVER THE REGION SURROUNDING THE SUMMIT
MAKING ASH DETECTION DIFFICULT.  NO ASH CAN BE SEEN FROM
SATELLITE IMAGERY AT THIS TIME.  ASH WAS LAST DETECTED FROM
SATELLITE AT 01/1945 UTC AND WAS ESTIMATED AT FL230.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH THAT MAY EXIST
BETWEEN THE SUMMIT LEVEL AND FL230 WILL MOVE TOWARD THE WEST
AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 03/0130 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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CLARK
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