FVXX21 KWBC 202030
VOLCANIC ASH ADVISORY
ISSUED 2030 UTC 20 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1162 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. TWELVE HOUR WIND FORECAST FROM THE
20/1200 UTC AVIATION MODEL. THE GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: ASH REPORTED AT 1940 UTC.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED ASH
OVER THE VOLCANO TO FL270. SATELLITE IMAGERY THROUGH 20/1945
UTC SHOWS NO DISCERNABLE ASH PLUME DUE TO LOW AND MIDDLE LAYER
CLOUDS IN THE VICINITY OF THE SUMMIT.
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TRAJECTORY: ASH UP TO FL270 WILL MOVE TOWARDS THE WEST AT
ABOUT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED AROUND 21/0230 UTC.
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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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