FVXX21 KWBC 101330
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1330 UTC 10 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-550         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.  WINDS FORECAST FROM THE 10/0600 UTC
AVN MODEL. GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: OCCASIONAL STEAM AND ASH EMISSIONS.   
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DETAILS OF ASH: VISIBLE SATELLITE IMAGERY THROUGH 1245
UTC SHOWS DENSE CLOUDS COVERING THE VOLCANO AND SURROUNDING
AREA MAKING ASH DETECTION DIFFICULT.  HOWEVER THE GEOPHYSICAL
INSTITUTE REPORTED MODERATE EXPLOSIONS OVERNIGHT WITH A LARGER
EXPLOSION OCCURRING AROUND 1000 UTC.  ASH RELEASED DURING THE
EXPLOSION WAS ESTIMATED AT FL230 BY THE INSTITUTE.   
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TRAJECTORY: ANY ASH THAT MAY EXIST FROM THE SUMMIT TO FL230
WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 10/1930 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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