FVXX20 KWBC 281230
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL28/1230Z   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: 2001/126
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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 28/1145Z 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
WHICH 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 10
TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 28/1830Z
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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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