FVXX21 KWBC 072230
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2230 UTC 07 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-538         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.  12 HOUR WIND FORECAST FROM THE
07/1200 UTC AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 07/2145 UTC SHOWS A
WELL DEFINED ASH PLUME EXTENDING TO THE WEST-SOUTHWEST AWAY
FROM THE SUMMIT.  THE PLUME IS 44KM (24 NMI) IN LENGTH AND 9KM
(5 NMI) AND EXTENDS TO THE POINT 0138S 7847W.  BASED ON
FORECAST UPPER AIR WIND DATA THE PLUME IS ESTIMATED TO BE AT
FL300.
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TRAJECTORY: ASH AT FL300 WOULD MOVE TOWARDS THE WEST-SOUTHWEST
AT 25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 08/0430 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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WALTER
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"