FVXX21 KWBC 222300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2300 UTC 22 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-346         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: UPPER WINDS FORECAST FROM THE 22/1200
UTC AVIATION MODEL...GEOPHYSICAL INSTITUTE REPORT...GOES-8
VISIBLE INFRARED AND MULTISPECTRAL IMAGERY THROUGH 2045 UTC. 
(MORE RECENT TUNGURAHUA IMAGERY IS NOT AVAILABLE BECAUSE A
SPECIAL RAPID SCAN OPERATIONS SCHEDULE IS IN EFFECT FOR GOES-8.  THIS LIMITS SOUTHERN HEMISPHERE SATELLITE COVERAGE TO ONE
IMAGE EVERY THREE HOURS. THE ROUTINE SCHEDULE WILL RESUME
23/0226 UTC.) 
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ERUPTION DETAILS: SMALL EXPLOSIONS REPORTED.
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DETAILS OF ASH: AT 2045 UTC SATELLITE IMAGERY SHOWED A PLUME
EXTENDING FROM THE SUMMIT TO THE POINT 0115S 7835W.  THE PLUME
WAS APPROXIMATELY 28 KM (15 NMI) LONG AND 14 KM (8 NMI) WIDE.
THE ASH IS ESTIMATED TO BE BELOW FL240.
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TRAJECTORY: ASH IS MOVING TO THE NORTHWEST AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/0500 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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STREETT/CLARK 
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"Attached Graphic Map Depicting Ash" 

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