FVXX21 KWBC 180745
VOLCANIC ASH ADVISORY
ISSUED: 2001SEP18/0745  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: 2001/254
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND
FORECAST FROM THE AVIATION MODEL.  GUAYAQUIL METEOROLOGICAL WATCH
OFFICE.
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ERUPTION DETAILS: OCCASIONAL NEAR SUMMIT ASH FLOW. 
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0715Z SHOWS NO ASH
VISIBLE.  BROKEN LOW AND MID LEVEL CLOUDS OVER THE VOLCANO ARE MAKING
IT DIFFICULT TO DETECT ANY ASH. ASH WAS LAST REPORTED BY THE
GEOPHYSICAL INSTITUTE AT 16/2250Z. THE VOLCANO REMAINS UNSTABLE AND
MAY ERUPT AT ANY TIME.
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TRAJECTORY: ASH UP TO FL260 WILL MOVE TOWARDS THE WEST AT 15 TO 20
KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 18/1400Z.
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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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