FVXX20 KWBC 172155
VOLCANIC ASH ADVISORY
ISSUED: 2001JUN17/2155Z   VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2001/79
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INFORMATION SOURCE: GEOPHYSICAL INSTITUTE...GOES-8 VISIBLE AND
INFRARED AND MULTISPECTRAL IMAGERY.  GUAYAQUIL METEOROLOGICAL
WATCH OFFICE SIGMET. AVN MODEL WIND FORECAST.  
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ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTED AND
ERUPTION AT 17/2100 UTC. WITH ASH MOVING AT LOWER LEVELS TO
THE WEST AND AT HIGHER LEVELS TO THE EAST.
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DETAILS OF ASH CLOUD: ASH IS NOT CURRENTLY SEEN IN IMAGERY
AVAILABLE THROUGH 17/2045Z. AS SOON AS MORE CURRENT IMAGERY IS
RECEIVED WE WILL UPDATE THE ADVISORY.  FOR ASH TO MOVE EAST AT
HIGHER LEVELS THE INITIAL ESTIMATED HEIGHT FROM WIND MODEL
DATA WOULD BE AT LEAST TO FL340.
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TRAJECTORY: ANY ASH ABOVE FL320 WILL MOVE SOUTHEAST TO EAST
AROUND 20 TO 30 KNOTS AND BELOW FL320 WILL MOVE SOUTH WESTERLY 
AROUND 10 TO 15 KNOTS. 
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED AROUND 2230 UTC. 
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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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