FVXX20 KWBC 172221
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL17/2221Z   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: 2001/111.
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. 12 HOUR
WIND FORECAST FROM THE 17/1200Z AVIATION MODEL.
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ERUPTION DETAILS: ASH OBSERVED AT 17/2120Z.
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DETAILS OF ASH CLOUD: A NEW SIGMET FROM THE GUAYAQUIL METEOROLOGICAL
WATCH OFFICE REPORTS AN OBSERVATION OF ASH TO FL210 OVER THE VOLCANO
AT 2120Z.  SATELLITE IMAGERY AT 17/2115Z DOES NOT SHOW ASH BUT THERE
ARE MULTILAYER WEATHER CLOUDS OVER THE SUMMIT THAT MAY BE OBSCURING
ASH.
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TRAJECTORY: ASH TO FL210 IS REPORTED TO BE MOVING WEST.  UPPER AIR
PATTERNS SUGGEST THAT THE ASH WILL MOVE AT ABOUT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THIS WILL BE THE FINAL ADVISORY FOR THIS EVENT UNLESS NEW
INFORMATION BECOMES AVAILABLE.
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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
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