FVXX21 KWBC 170457
VOLCANIC ASH ADVISORY STATEMENT--CORRECTED FOR TIME OF NEXT
STATEMENT
ISSUED 0457 UTC 17 JAN 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-065 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 INFRARED AND MULTISPECTRAL
IMAGERY...UPPER AIR DATA FROM THE GEOPHYSICAL INSTITUTE IN QUITO
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ERUPTION DETAILS: POSSIBLE ERUPTION AROUND 17/0115 UTC
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DETAILS OF ASH: SATELLITE IMAGERY SUGGESTED A POSSIBLE BRIEF
EXPLOSION OCCURRED AROUND 0115 UTC. THE ASH CLOUD BROKE THROUGH THE
MID LEVEL CLOUDS THAT COVERED THE SUMMIT AT THE TIME. THE ASH CLOUD
DISSIPATED NEAR 0116S7849W BY 0245 UTC. THIS ASH CLOUD WAS BELIEVED
TO BE NEAR FL400 PRIOR TO DISSIPATION. SATELLITE IMAGERY THROUGH
0445 UTC SHOWED MID LEVEL CLOUDS OVER THE SUMMIT AND THE SURROUNDING
VICINITY WITH NO EVIDENCE OF ASH.

TRAJECTORY: ANY REMAINING ASH UP TO FL450 WOULD MOVE TOWARDS THE
NORTHWEST AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 17/1030 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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