FVXX20 KWBC 230820
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG23/0820Z   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: 2001/209
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
GUAYAQUIL METEOROLOGICAL WATCH OFFICE.  GEOPHYSICAL INSTITUTE. SIX
HOUR FORECAST FROM 23/0000Z AVIATION MODEL.
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ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z. 
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0745Z SHOWS A BROAD
AREA OF CIRRUS CLOUDS OVER THE AREA MAKING IT DIFFICULT TO DETECT
ASH. MOST RECENT OBSERVATIONS FROM THE GEOPHYSICAL INSTITUTE REPORTED
ASH BETWEEN FL200 TO FL250.
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TRAJECTORY:. ASH UP TO FL250 WILL MOVE WESTWARD AT 10 TO 15 KTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 23/1430Z.
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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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