FVXX20 KWBC 071400
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG07/1400Z   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: 2001/141
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.  GOES-8
INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SIX HOUR WIND FORECAST
FROM THE 07/0600Z 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 0715Z INDICATES A
NEW AREA OF ASH TO THE SOUTHWEST EXTENDING APPROXIMATELY 60KM
(33NMI) FROM THE SUMMIT.  THIS NEW ASH IS PART OF A LARGER AREA OF
ASH EXTENDING 700KM (378NMI) FROM THE VOLCANO OUT OVER THE PACIFIC
OCEAN TO THE POINT 0303S 8433W AND IS ROUGHLY 271KM (146NMI) WIDE AT
THE WIDEST POINT.  ASH IS ESTIMATED TO BE UP TO FL260 BASED ON PILOT
REPORTS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH FROM THE SUMMIT TO FL260
WOULD MOVE TO THE WEST SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 07/2000Z.
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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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