FVXX21 KWBC 212330
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2330 UTC 21 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-342         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. WINDS FORECAST FROM THE AVIATION MODEL.
GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMETS.
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ERUPTION DETAILS: NEARLY CONTINUOUS VENTING OF GASES WITH
OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 21/2245 UTC DUE TO EXTENSIVE WEATHER CLOUDS. AT
21/1415 UTC A PILOT REPORTED ASH AT FL300.  
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH THAT MIGHT
EXIST BETWEEN THE SUMMIT AND FL300 WOULD MOVE TOWARDS THE WEST
AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/0530 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS 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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STREETT
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"Attached Graphic Map Depicting Ash" 

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