FVXX20 KWBC 082215
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG08/2215Z   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: 2001/147
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE. GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY. SIX HOUR WIND FORECAST FROM THE 08/1200Z 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 2155Z SHOWS TWO
THICK AREAS OF ASH SURROUNDED BY AN AREA OF THINNER ASH.  THE FIRST
AREA OF THICK ASH EXTENDS 136KM (73NMI) FROM THE SUMMIT TO 0138S
07933W AND IS APPROXIMATELY 50KM (27NMI) WIDE. THE SECOND AREA OF
THICK ASH IS ALSO APPROXIMATELY 50KM (27NMI) WIDE AND EXTENDS 143KM 
(77NMI) FROM 0207S 07930W THROUGH 0225S 08010W TO 0253S 09032W.
SURROUNDING THESE AREAS IS A THIN AREA OF ASH ROUGHLY BOUNDED BY
POINTS 0128S 7826W TO 0303S 0790W TO 0355S 8126W TO 0159S 8158W TO
0054S 8055W TO 0055S 8008W TO AND 0128S 7826W. THE GEOPHYSICAL
INSTITUTE PLACED THE MOST RECENT THICK ASH BETWEEN FL250 AND FL300.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH FROM THE SUMMIT TO FL260
WOULD MOVE TO THE WEST OR WEST SOUTHWEST AT 20 TO 25 KTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 09/0430Z.
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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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