FVXX21 KWBC 220400                                            
VOLCANIC ASH ADVISORY
ISSUED: 2001SEP22/0400  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: 2001/270
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIGMET 01
FROM THE GUAYAQUIL METEOROLOGICAL WATCH OFFICE. 22/0600Z UPPER FORECAST
WINDS FROM THE 21/1800Z AVIATION MODEL.
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ERUPTION DETAILS: OBSERVATION OF PROBABLE ASH AT 22/0312Z.
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DETAILS OF ASH CLOUD: GOES-8 DATA THROUGH 0345Z DOES NOT INDICATE THE
PRESENCE OF ASH DUE TO SCATTERED MID LEVEL CLOUDS OBSCURING THE VOLCANO.
AN OBSERVER AT THE GEOPHYSICAL INSTITUTE IN QUITO REPORTS PROBABLE ASH
OVER THE VOLCANO. THIS ASH IS LIKELY CONFINED BELOW FL200.              
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH FROM SUMMIT LEVEL TO FL200
WOULD MOVE WEST AT 10 TO 15 KNOTS. 
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OUTLOOK:  SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 22/1000Z.
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INTERNET URLS...
MESSAGE LISTSERV   WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML
MESSAGES GRAPHICS AND IMAGERY   WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWERCASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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HUGHES
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