FVXX21 KWBC 171310
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1310 UTC 17 MAR 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-324 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. 6 HOUR WIND FORECAST FROM THE 17/0600
UTC AVIATION MODEL.
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ERUPTION DETAILS: EMISSIONS OF GASES AND ASH.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 17/1245 UTC SHOWS A
NARROW PLUME OF ASH MOVING WESTWARD FROM THE SUMMIT. ASH WAS
ESTIMATED AT FL200. THE ASH PLUME IS 21 KM (11 NMI) LONG AND
THE LEADING EDGE IS AT 0128S 7838W. THE PLUME IS 2 KM (1 NMI)
WIDE.
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TRAJECTORY: ACCORDING TO THE FORECAST MODELS ASH FROM THE
SUMMIT TO FL200 WILL MOVE TOWARDS THE WEST AT 25 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 17/1930 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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KARST
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NNNN
"Attached Graphic Map Depicting Ash"
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