FVXX21 KWBC 111500
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 11 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-429        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...GEOPHYSICAL INSTITUTE... NATIONAL
WEATHER SERVICE AVIATION MODEL.
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ERUPTION DETAILS: ASH AND STEAM EMISSIONS.
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DETAILS OF ASH:  SATELLITE IMAGERY THROUGH 1415 UTC SHOWS A
POSSIBLE ASH PLUME EXTENDING FROM THE SUMMIT THROUGH 0126S
7832W TO 0106S 7846W.  THE PLUME IS 55 KM (30 NMI) LONG AND UP
TO 10 KM (5 NMI) WIDE.  ASH IS ESTIMATED TO BE BELOW FL250.
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TRAJECTORY: ASH IS MOVING TOWARD THE NORTHWEST AT ABOUT 20
KNOTS.

OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 11/2100 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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TURK
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NNNN"Attached Graphic Map Depicting Ash" 

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