FVXX21 KWBC 150300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0300 UTC 15 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-443        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...REPORTS FROM THE GEOPHYSICAL INSTITUTE. 
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS EMISSIONS WITH
OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 15/0215 UTC SHOWS NO
SIGNS OF ASH. HOWEVER AT 14/1950 THE GEOPHYSICAL INSTITUTE
REPORTED ASH OVER THE VOLCANO. THE LAST REPORTED HEIGHT OF ASH
WAS TO FL220 AT 14/1414 UTC. SOME AREAS OF SHOWERS AND
THUNDERSTORMS ARE CASTING CLOUDS OVER THE SUMMIT AND THIS IS
HELPING TO MAKE IT DIFFICULT TO SEE ASH.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL220 WOULD MOVE TOWARDS
THE SOUTHWEST AT 15-20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 15/0900 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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ORRISON
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