FVXX20 KWBC 070800
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG07/0800Z   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: 2001/140
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.  GOES-8
INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SIX HOUR WIND FORECAST
FROM THE 07/0000Z AVIATION MODEL.
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ERUPTION DETAILS: ONGOING ERUPTION SINCE AT LEAST 06/1203Z.

DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0715Z INDICATE THAT
THE AREA OF ASH PREVIOUSLY LOCATED OVER THE EAST PACIFIC HAS
DISSIPATED ENOUGH TO NOT BE DETECTED BY INFRARED OR MULTISPECTRAL
IMAGERY. THE AREA OF ASH TO THE SOUTHWEST OF THE VOLCANO IS NOW
BOUND BY POINTS 0130S7909W...0428S8159W....0242S8211W. THIS ASH IS
ESTIMATED TO BE UP TO FL220 BASED ON UPPER AIR FORECAST WINDS. THIS
ASH IS MOVING SOUTHWEST AT 15 TO 20 KNOTS. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH UP TO FL250 TO MOVE WEST
SOUTHWEST AT 15 TO 20 KNOTS. ANY RESIDUAL ASH AT OR NEAR SUMMIT
LEVEL WOULD MOVE WEST AT 15 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 07/1400Z.
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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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HUGHES  
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NNNN"Attached Graphic Map Depicting Ash Only" 

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