FVXX20 KWBC 100430
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG10/0430Z   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: 2001/152
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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 09/1800Z 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 10/0345Z CONTINUES
TO SHOW A LARGE AREA OF ASH EXTENDING TO THE WEST AWAY FROM THE
SUMMIT.
AN AREA OF THICK ASH IS BOUNDED BY THE FOLLOWING POINTS: 0120S7900W
0055S7946W 0108S8016W 0040S8112W 0130S8245W 0105S8115W 0156S8034W
AND 0156S7934W.
AN AREA OF THIN ASH EXTEND FROM THE SUMMIT TO 0125S7900W AND IS 24KM
(13NMI).
ANOTHER AREA OF THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 
0126S8044W 0158S8155W 0223S8128W AND 0150S8035W.
THE FINAL AREA OF THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 
0128S8245W 0142S8441W 0149S8301W AND 0136S8235W.
THE ESTIMATED HEIGHT OF THE ASH IS BETWEEN FL260 AND FL300.
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TRAJECTORY: ASH UP TO FL300 WILL MOVE WEST AT 25 TO 30 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 10/1030Z.
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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" 

"Graphic Map Depicting Ash"