FVXX21 KWBC 250300
VOLCANIC ASH ADVISORY
ISSUED 0300 UTC 25 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-0993         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. WIND FORECAST FROM THE AVIATION MODEL.  
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ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 25/0145 UTC SHOWS
EXTENSIVE LOW AND MID LEVEL CLOUDS IN THE VICINITY OF THE
VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH. 
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TRAJECTORY: ANY ASH AT SUMMIT LEVEL WILL MOVE TOWARDS THE WEST
AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 25/0900 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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KARST
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