FVXX21 KWBC 111900
VOLCANIC ASH ADVISORY
ISSUED 1900 UTC 11 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-939        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.  SIX HOUR WIND FORECAST FROM THE
11/1200 UTC AVIATION MODEL.
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ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. 
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DETAILS OF ASH: ASH IS NOT SEEN ON SATELLITE IMAGERY THROUGH
11/1245 UTC.  AT 11/1634 HOWEVER THE GEOPHYSICAL INSTITUTE DID
OBSERVE ASH OVER THE SUMMIT TO FL240 MOVING TOWARDS THE
SOUTHWEST.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL240 WILL MOVE
TOWARDS WEST AT 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 12/0100 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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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WALTER
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