FVXX21 KWBC 221730
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1730 UTC 22 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-345         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. 22/1800 UTC UPPER WIND FORECAST FROM
THE 22/0600 UTC AVN MODEL. 
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ERUPTION DETAILS: SMALL EXPLOSIONS REPORTED.
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DETAILS OF ASH: GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY
THROUGH 1645 UTC SHOWS A PLUME OF ASH AND GAS MOVING TOWARDS
THE WEST SOUTHWEST FROM TUNGURAHUA. THE ASH IS ESTIMATED AT
FL300.  THE ASH IS APPROXIMATELY 62 KM (33 NMI) LONG AND IS 19
KM (10 NMI) WIDE. THE LEADING EDGE OF THE PLUME IS AT 0136S
7902W.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH UP TO
FL300 WOULD MOVE WEST SOUTHWEST AT 20 TO 25 KTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/2330 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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KARST 
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"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"