FVXX21 KWBC 180830
VOLCANIC ASH ADVISORY
ISSUED 0830 UTC 18 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-966         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 WIND FORECAST FROM THE AVIATION MODEL. THE
GEOPHYSICAL INSTITUTE IN QUITO.
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ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. 
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DETAILS OF ASH: NO ASH WAS DETECTED IN GOES-8 INFRARED IMAGERY
AT 0745 UTC. THE VOLCANO REMAINS IN A HIGHLY ACTIVE STATE AND
COULD PRODUCE ASH AT ANYTIME. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR
SUMMIT LEVEL TO MOVE WEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 18/0830 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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BROWN
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