FVXX21 KWBC 261345
VOLCANIC ASH ADVISORY
ISSUED 1345 UTC 26 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1112        ECUADOR 0128S 7826W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO. 
WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: SEVERAL EMISSIONS
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE IN QUITO REPORTS
THAT THE VOLCANO IS CURRENTLY VERY QUIET. HOWEVER THEY
INDICATED THAT THERE WERE TWO EXTREMELY SMALL ASH EMISSIONS
OVERNIGHT.  
  CLOUDY CONDITIONS ARE HAMPERING SATELLITE DETECTION AND
GROUND OBSERVATION OF VOLCANIC ASH.  NO ASH IS OBSERVED IN
SATELLITE IMAGERY THROUGH 1315 UTC DUE TO CLOUDS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY
REMAINING ASH BETWEEN SUMMIT LEVEL AND FL270 IT WOULD MOVE
TOWARD THE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THIS WILL BE THE LAST ADVISORY ON THIS EVENT UNLESS NEW
INFORMATION IS RECEIVED.
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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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