FVXX21 KWBC 150425
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0425 UTC 15 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-057        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...14/1800
UTC AVIATION MODEL FORECAST SOUNDING DATA...
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ERUPTION DETAILS: FREQUENT EMISSIONS OF ASH AND STEAM WITH
OCCASIONAL EXPLOSIONS...
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 15/0315 UTC INDICATES A
VERY ACTIVE TUNGURAHUA VOLCANO....ASH AND STEAM CAN BE DETECTED
BLASTING AWAY FROM THE SUMMIT IN ALL CHANNELS OF SATELLITE IMAGERY.
OVER THE LAST 3 HOURS THERE HAVE BEEN A FLEURY OF EMISSIONS ALONG
WITH SOME POSSIBLE EXPLOSIONS. A LARGE ASH AND STEAM CLOUD IS NOTED
AND ALSO THERE MULTIPLE DIRECTIONS OF MOVEMENT. EMBEDDED WITHIN THE
OVERALL CLOUD ARE POCKETS OF THICK ASH. A PILOT REPORT EARLIER IN
THE DAY REPORTED ASH TO FL260 BUT THE LATEST TRENDS IN INFRARED
IMAGERY SUGGEST THAT THE ASH AND STEAM HAS BEEN GETTING HIGHER THAN
THIS. THE LATEST ESTIMATE IS FL300.
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AT 15/0315 UTC AND WITH RESPECT TO THE SUMMIT THE ASH AND STEAM
EXTENDS OUTWARD IN THE FOLLOWING MANNER....91 KM (49 NMI) SOUTHWEST
TO THE POINT 0208S7855W...73 KM (39 NMI) WEST TO THE POINT
0128S7906W...AND 65 KM (35 NMI) NORTHWEST TO THE POINT 0059S7847W.
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TRAJECTORY: ASH AND STEAM IS MOVING TO THE SOUTHWEST AT 10 TO 15 
KNOTS FROM THE SUMMIT TO FL200...WEST AT 5 KNOTS FROM FL200 TO
FL220..AND NORTHWEST AT 10 KNOTS FROM FL220 TO FL300.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 15/0930 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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NNNN
"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"