FVXX20 KWBC 280630
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL28/0630Z   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: 2001/125
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY. GUAYAQUIL SIGMET.  GEOPHYSICAL INSTITUTE.  
SIX HOUR WIND FORECAST FROM THE 28/0000Z AVIATION MODEL.
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ERUPTION DETAILS: PROBABLE ASH OVER SUMMIT AT 28/0543Z.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED THAT
ASH WAS LIKELY OVER THE SUMMIT AT 0543Z TO A HEIGHT OF AT
FL230.  SATELLITE IMAGERY THROUGH 0545Z SHOWS SCATTERED CLOUDS
WHICH MAY BE PRECLUDING THE DETECTION OF ASH.  
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TRAJECTORY: ANY ASH TO FL230 WOULD MOVE TOWARDS THE WEST AT 15
TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BEFORE 28/1230Z
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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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