FVXX20 KWBC 201420
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG20/1420Z   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: 2001/197
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INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED..MULTISPECTRAL IMAGERY. 
SIX HOUR WIND FORECAST FROM THE 20/1200Z 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 1345Z INDICATES A NEW
EMISSION FROM THE VOLCANO OCCURRED ABOUT 1300Z. THIS NEW ASH IS
MOVING EAST OF THE SUMMIT. SATELLITE MOTION DOES NOT REFLECT THE
AVIATION MODEL DATA MAKING HEIGHT DETERMINATION OF THIS NEW ASH
DIFFICULT.  LOW LEVEL ASH UP TO FL200 IS ALSO VISIBLE IN IMAGERY AND
IS MOVING WEST. THE ASH MOVING EAST IS BELIEVED TO BE ABOVE FL200.
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TRAJECTORY: ASH BELOW FL200 WOULD MOVE WEST AT 10 TO 15 KNOTS. 
OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 20/2030Z.
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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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NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"