FVXX22 KWBC 230830
VOLCANIC ASH ADVISORY
ISSUED 0830 UTC 23 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1102        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. THE GEOPHYSICAL INSTITUTE. AVIATION MODEL WIND
FORECAST.
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ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 23/0715 UTC
SHOWS EXTENSIVE CLOUDINESS OVER THE REGION MAKING IT DIFFICULT
TO DETECT ANY ASH. THE LAST REPORT OF ASH FROM THE GEOPHYSICAL
INSTITUTE WAS APPROXIMATELY 24 HOURS AGO. THE VOLCANO REMAINS
UNSTABLE AND MAY ERUPT AT ANY TIME. 
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TRAJECTORY: ANY ASH AT NEAR SUMMIT LEVEL WOULD MOVE TOWARD THE
WEST SOUTHWEST AT 10 TO 15 KTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 23/1430 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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