FVXX20 KWBC 260600            
VOLCANIC ASH ADVISORY
ISSUED: 2001APR26/0600Z   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: 2001/56
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.  WIND
FORECAST FROM THE 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: NO ASH IS SEEN IN SATELLITE IMAGERY THROUGH
26/0415Z.  HOWEVER LOW LEVEL METEOROLOGICAL CLOUDS IN THE AREA MIGHT
BE HINDERING ASH DETECTION.  THE MOST RECENT KNOWN REPORT OF ASH WAS
AT 25/2100Z WHEN AN AIRCRAFT REPORTED ASH OVER THE VOLCANO TO FL230. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH FROM THE SUMMIT
TO FL230 WOULD MOVE TOWARDS THE WEST AT 10 TO 25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THIS WILL BE THE LAST ADVISORY ON THIS EVENT.
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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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