FVXX20 KWBC 110400
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG11/0400Z   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: 2001/156
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE IN QUITO. INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. 12 HOUR WIND FORECAST FROM THE 10/1800Z AVIATION MODEL.
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ERUPTION DETAILS: ONGOING ERUPTION SINCE AT LEAST 06/1203Z.  
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 10/0315Z CONTINUES
TO SHOW A LARGE AREA OF ASH STARTING 44KM (24NMI) WEST OF THE
SUMMIT.
AN AREA OF THICK ASH IS BOUNDED BY THE FOLLOWING POINTS: 0129S7847W
0052S7926W 0149S8114W 0256S8112W AND 0258S8044W.
AN AREA OF THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 0049S7927W
0035N8241W 0238S8306W 0354S8056W AND 0300S8047W.
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THE ESTIMATED HEIGHT OF THE ASH IS UP TO FL300.
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TRAJECTORY: ASH TO FL300 WILL MOVE WEST AT 20 TO 30 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 11/1000Z.
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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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WALTER
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NNNN"Attached Graphic Map Depicting Ash Only" 

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