FVXX21 KWBC 301430
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1430 UTC 30 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-378         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. 30/1200 UTC UPPER WIND FORECAST FROM
THE 30/0000 UTC AVN MODEL.
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ERUPTION DETAILS: CONTINUOUS GAS EMISSIONS WITH OCCASIONAL ASH
EXHALATIONS.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1415 UTC DOES NOT SHOW
ANY DISCERNABLE ASH. THE VOLCANO IS PARTIALLY OBSCURED BY
GRAVITY WAVE CLOUDS FORMING IN THE LOW LEVEL NORTHEASTERLY
FLOW. TUNGURAHUA REMAINS IN A HIGHLY ACTIVE STATE AND COULD
PRODUCE A SIGNIFICANT ERUPTION AT ANYTIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL300 TO
MOVE SOUTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 30/2030 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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HUGHES
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