FVXX21 KWBC 172030
VOLCANIC ASH ADVISORY
ISSUED 2030 UTC 17 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-964       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.  AVIATION MODEL WIND FORECAST.
GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. 
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1945 UTC SHOWS
DECREASING BROKEN LOW TO MID LEVEL CLOUDS OBSCURING THE VIEW
OF THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTS ONLY NEAR
SUMMIT EMISSIONS. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR
SUMMIT LEVEL TO MOVE WEST NORTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 18/0230 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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HUGHES
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