FVXX21 KWBC 221800
VOLCANIC ASH ADVISORY
ISSUED 1800 UTC 22 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-857         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 AND INFRARED AND
MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO. 
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ERUPTION DETAILS: EXPLOSION WITH HEAVY ASH EMISSION AROUND
21/2220 UTC.
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DETAILS OF ASH: THE MOST RECENT OBSERVATION OF ASH OVER THE
VOLCANO WAS AT 22/1302 UTC WITH ASH TO FL230 MOVING TOWARDS
THE SOUTHWEST.  LOW AND MID LEVEL CLOUDS COVER THE VOLCANO
MAKING IT DIFFICULT TO DETECT ANY CLOUDS IN THE IMAGERY.
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TRAJECTORY: ACCORDING TO THE AVIATION MODEL ANY ASH FROM THE
SUMMIT TO FL230 WILL MOVE TOWARDS THE SOUTHWEST OR WEST AT 15
KTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/0000 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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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