FVXX21 KWBC 110300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0300 UTC 11 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-427        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 INFRARED AND MULTISPECTRAL
IMAGERY...GEOPHYSICAL INSTITUTE... NATIONAL WEATHER SERVICE
NUMERICAL MODELS.
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ERUPTION DETAILS: ASH AND STEAM EMISSIONS.
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DETAILS OF ASH:  SATELLITE IMAGERY THROUGH 0215 UTC SHOWS AN
OCCASIONAL HOT SPOT IN NEAR INFRARED IMAGERY. LOW AND MID
LEVEL CLOUDS COVER THE REGION AROUND THE VOLCANO MAKING ANY
DETECTION OF ASH OR STEAM DIFFICULT. ANY ASH EMISSIONS ARE
BELIEVED AT THIS TIME TO BE NEAR-SUMMIT WITH A HEIGHT AS HIGH
AS FL200.
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TRAJECTORY: ANY ASH AND STEAM FROM THE SUMMIT TO FL200 SHOULD
MOVE TO THE WEST-NORTHWEST AT 15 TO 20 KNOTS.

OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 11/0900 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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