FVXX21 KWBC 041330
VOLCANIC ASH ADVISORY
ISSUED 1330 UTC 04 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-910         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. WIND FORECAST FROM THE AVIATION MODEL.
GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: NEARLY CONTINUOUS GASES AND OCCASIONAL ASH
EMISSIONS. 
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DETAILS OF ASH: DUE TO CLOUD COVER NO ASH IS SEEN IN SATELLITE
IMAGERY THROUGH 04/1245 UTC. THE GEOPHYSICAL INSTITUTE REPORTS
THAT THERE IS CONTINUED SEISMIC ACTIVITY THAT WOULD INDICATED
GAS AND ASH EMISSIONS HOWEVER GROUND OBSERVATIONS WERE NOT
POSSIBLE DUE TO CLOUD COVER.  
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL300 WILL MOVE TOWARD
THE WEST AROUND 20 TO 25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 04/1930 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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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