FVXX21 KWBC 160430
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0430 UTC 16 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-061        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. 
UPPER AIR DATA AND REPORTS FROM THE GEOPHYSICAL INSTITUTE...
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ERUPTION DETAILS: FREQUENT EMISSIONS OF ASH AND STEAM WITH
OCCASIONAL EXPLOSIONS.
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DETAILS OF ASH: THE LATEST INFRARED AND MULTISPECTRAL SATELLITE
IMAGES THROUGH 16/0315 UTC DO NOT SHOW ANY DEFINABLE AREAS OF ASH OR
STEAM. HOWEVER THE REGION HAS BEEN SEEING AN INCREASE IN SHOWER
ACTIVITY AND SO THERE ARE A NUMBER OF MULTILAYERED CLOUD DECKS
COMPLICATING THE DETECTION PROCESS.
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THERE WAS A SIGNIFICANT AMOUNT OF ASH AND STEAM SEEN THROUGHOUT THE
DAY AND A PORTION OF IT NOTED 6 HOURS AGO IS NOW BELIEVED TO HAVE
BECOME EMBEDDED WITHIN THE VARIOUS CLOUD DECKS. ASH IS STILL
ESTIMATED TO BE AS HIGH AS FL250.
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TRAJECTORY: ASH AND STEAM TO FL250 SHOULD MOVE NORTH-NORTHWEST AT
ABOUT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 16/1030 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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