FVXX21 KWBC 210930
VOLCANIC ASH ADVISORY
ISSUED 0930 UTC 21 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-978         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. 6 HOUR WIND FORECAST FROM THE 21/0000 UTC AVIATION
MODEL.  THE GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. 
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DETAILS OF ASH: ASH IS NOT SEEN ON THE CURRENT SATELLITE
IMAGERY THROUGH 21/0845 UTC.  THE LAST REPORT OF ASH CAME AT
20/2215 UTC FROM THE GEOPHYSICAL INSTITUTE WITH ASH TO FL170.  
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TRAJECTORY: ASH AT SUMMIT LEVEL WILL MOVE TOWARDS THE WEST-SOUTHWEST AT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 21/1530 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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WALTER
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