FVXX20 KWBC 091030
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG09/1030Z   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: 2001/149
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE. GOES-8 INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. SIX HOUR WIND FORECAST FROM THE 09/0600Z AVIATION MODEL.
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ERUPTION DETAILS: ONGOING ERUPTION SINCE AT LEAST 06/1203Z. RECENT
SERIES OF EXPLOSIVE ERUPTIONS OCCURRING AROUND 08/2100Z   
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 09/0945Z CONTINUES
TO SHOW ASH WEST OF THE SUMMIT.  THIS ASH IS DETACHED 77KM (42 NMI)
FROM THE SUMMIT AND CONSISTS OF AN AREA OF THICK ASH AND AN AREA OF
THIN ASH.  THE THICK ASH IS BOUNDED BY THE FOLLOWING POINTS:
0120S7903W 0118S7950W 0136S8052W AND 0205S8000W.  THE AREA OF THIN
ASH IS BOUNDED BY THE FOLLOWING POINTS: 0135S8053W 0120S8200W
0122S8333W 0144S8344W AND 0149S8045W.  ASH HEIGHT CONTINUES TO BE
ESTIMATED BETWEEN FL260 AND FL300.
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TRAJECTORY: ASH WILL CONTINUE TO DRIFT MAINLY TO THE WEST AT 20 TO
25 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 09/1630Z.
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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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