FVXX20 KWBC 112200
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG11/2200Z   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: 2001/159
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE IN QUITO. VISIBLE AND INFRARED AND
MULTISPECTRAL SATELLITE IMAGERY. WIND FORECAST FROM THE AVIATION
MODEL.
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ERUPTION DETAILS: CONTINUOUS ONGOING ERUPTION SINCE AT LEAST
06/1203Z.  
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 11/2115Z CONTINUES
TO SHOW A LARGE AREA OF ASH EXTENDING WEST FROM THE SUMMIT. THE AREA
EXTENDS AROUND 395 KM (213 NMI)WEST FROM THE VOLCANO AND IS ROUGHLY
200 KM (108 NMI) WIDE.  THE LARGE AREA OF ASH IS BOUND BY POINTS..
SUMMIT 0128S 7826W.. 0052S 8116W.. 0127S 8200W.. 0220S 8200W.. 0242S
8002W.. BACK TO SUMMIT.  WITHIN THIS ASH IS AN AREA OF THICKER ASH
IS ROUGHLY BOUND BY POINTS.. SUMMIT 0128S 7826W.. 0113S 8055W 0212S
8102W 0215S 8000W BACK TO SUMMIT.
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ESTIMATED HEIGHT OF THE ASH IS UP TO FL330.
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TRAJECTORY: ASH BELOW FL330 WILL MOVE WESTERLY AROUND 20 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 12/0400Z.
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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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