FVXX21 KWBC 211530
VOLCANIC ASH ADVISORY
ISSUED 1530 UTC 21 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-979         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. WIND FORECAST FROM THE AVIATION MODEL. 
THE GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. THE MOST
RECENT EMISSIONS WERE AT ABOUT 1100 UTC. 
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DETAILS OF ASH: ASH IS NOT SEEN ON THE CURRENT SATELLITE
IMAGERY THROUGH 21/1445 UTC.  THE GEOPHYSICAL INSTITUTE
REPORTS SMALL EMISSIONS OF WATER VAPOR OCCURRED ABOUT 11 UTC
BUT NO ASH WAS SEEN.  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 AT
ABOUT 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 21/2130 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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