FVXX20 KWBC 172245
VOLCANIC ASH ADVISORY
ISSUED: 2001JUN17/2245Z   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: 2001/80
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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 COULD BE SEEN IN GOES VISIBLE AND
MULTISPECTRAL IMAGERY AT 17/2115Z HOWEVER IN LATER IMAGERY THE
HIGHER LEVEL ASH CLOUD MOVED SOUTH OF THE IMAGERY TERMINATION
DUE TO RAPID SCAN IMAGING (RSO). AT 2115Z THE HIGHER LEVEL ASH
COULD BE SEEN SOUTH AND EAST OF THE SUMMIT ALONG POINTS 0132S
7829W.. 0136S 7823W.. 0137S 7807W AND WAS ROUGHLY 11 KM (6
NMI) WIDE AND MOVING EAST TO SOUTHEAST AROUND 50 KNOTS AND
ESTIMATE BY PILOT REPORT TO BE AROUND FL320.  ASH ESTIMATED
BELOW FL280 IS MOVING SOUTHWEST TO WEST (255) FROM THE VOLCANO
AROUND 15 KNOTS AND EXTENDS 17 KM (9 NMI) TO POINT 0129S 7837W
AND WAS ROUGHLY 17 KM (9 NMI) WIDE.
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TRAJECTORY: ANY ASH BELOW FL340 WILL MOVE SOUTHEAST TO EAST
AROUND 30 TO 50 KNOTS AND BELOW FL280 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 18/0445 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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NNNN"Attached Graphic Map Depicting Ash Only" 

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