FVXX21 KWBC 201725
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1725 UTC 20 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-337         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. UPPER WIND FORECAST FROM THE AVN MODEL.
GEOPHYSICAL INSTITUTE REPORT. GUAYAQUIL METEOROLOGICAL WATCH
OFFICE
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ERUPTION DETAILS: NEARLY CONTINUOUS VENTING OF GASES WITH
OCCASIONAL ASH EMISSIONS. 
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DETAILS OF ASH: THE LATEST SIGMET FROM GUAYAQUIL NOTED THAT A
PILOT REPORTED ASH TO FL300 AT 1640 UTC.  SATELLITE IMAGERY
THROUGH 1645 UTC CONFIRMED THAT A SIGNIFICANT ERUPTION HAD
OCCURRED.  AN ASH CLOUD WAS CENTERED AT 0128S 7834W.  THE
CLOUD EXTENDED OUT 7 KM (4 NMI) IN ALL DIRECTIONS AND WAS
ESTIMATED AT FL300.
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TRAJECTORY: TOWARDS THE WEST NORTHWEST AT 20 TO 25 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 20/2330 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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TURK
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NNNN
"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"