FVXX20 KWBC 101030
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG10/1030Z   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: 2001/153
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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 09/0000Z 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 10/0945Z CONTINUES
TO SHOW A LARGE AREA OF ASH 48KM (26 NMI) WEST OF THE SUMMIT. THIS
AREA IS BROKEN INTO TWO AREAS ONE THICK THE OTHER THIN.
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THICK ASH IS BOUNDED BY THE FOLLOWING POINTS: 0125S7853W 0049S7935W
0052S8045W 0122S8128W 0130S7935W 0209S8009W AND 0218S7933W.
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THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 0053S8041W 0046S8349W
0148S8431W 0142S8314W 0218S8317W 0207S8014W 0130S7938W AND
0127S8124W.
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THE ESTIMATED HEIGHT OF THE ASH IS BETWEEN FL260 AND FL300.
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TRAJECTORY: ASH UP TO FL300 WILL MOVE WEST AT 20 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 10/1630Z.
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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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