FVXX20 KWBC 281800
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL28/1800Z   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: 2001/127
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY. GUAYAQUIL SIGMET. AVIATION MODEL UPPER
LEVEL WIND FORECAST.
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ERUPTION DETAILS: PROBABLE ASH OVER SUMMIT AT 28/0543Z.
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DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 28/1715Z BUT THE DENSE HIGH LEVEL WEATHER CLOUDS IN
THE AREA COULD BE HINDERING ASH DETECTION. THE MOST RECENT
KNOWN OBSERVATION OF ASH WAS BY THE GEOPHYSICAL INSTITUTE THAT 
OBSERVED PROBABLE ASH TO FL230 OVER THE SUMMIT AT 28/0543Z. 
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TRAJECTORY: ANY ASH TO FL230 WOULD MOVE TOWARD THE WEST AT
ABOUT 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THIS WILL BE THE FINAL ADVISORY ON THIS EVENT UNLESS NEW
INFORMATION IS RECEIVED.
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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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