FVXX20 KWBC 252300            
VOLCANIC ASH ADVISORY
ISSUED: 2001APR25/2300Z   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: 2001/55
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INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL
IMAGERY.  6 HOUR WIND FORECAST FROM THE 25/1800Z AVIATION MODEL.
GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. 
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ERUPTION DETAILS: ASH EMISSION AT 25/2100Z.
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DETAILS OF ASH CLOUD: AN AIRCRAFT REPORTS ASH OVER THE VOLCANO TO
FL230.  CURRENT SATELLITE IMAGERY THROUGH 25/2215Z SHOWS
CONSIDERABLE CLOUDINESS OVER THE AREA MAKING DETECTION OF ASH
DIFFICULT.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL230 WILL MOVE TOWARDS THE
SOUTHWEST AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 26/050OZ
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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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WALTER/ORRISON
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