FVXX21 KWBC 161430
VOLCANIC ASH ADVISORY
ISSUED 1430 UTC 16 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-959       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. AUGUST 15 GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. 
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 16/1345 UTC. SCATTERED LOW LEVEL CLOUDS SURROUND
THE SUMMIT.  THE LAST REPORT OF ASH WAS ON THE MORNING OF
AUGUST 14 WHEN THREE MODERATE EXPLOSIONS PRODUCED ASH TO ABOUT
FL200. 
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TRAJECTORY:  UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY
ASH BETWEEN THE SUMMIT AND FL200 IT WOULD MOVE TOWARD THE WEST
AT ABOUT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 16/2030 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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