FVXX21 KWBC 041530
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1530 UTC 04 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-524         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 AND INFRARED AND
MULTISPECTRAL IMAGERY...06 UTC AVIATION WINDS FORECAST
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ERUPTION DETAILS: CONTINUOUS GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: GOES-8 VISIBLE IMAGERY AT 1415 UTC SHOWS
EXTENSIVE LOW AND MID LEVEL CLOUDS OVER THE VOLCANO MAKING IT
DIFFICULT TO DETECT ANY VOLCANIC ASH. THE VOLCANO REMAINS
UNSTABLE AND THERE MIGHT BE AN EXPLOSION AT ANY TIME.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL190 WOULD MOVE TOWARD
THE WEST-SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 04/2130 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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KARST
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