FVXX21 KWBC 020930 
VOLCANIC ASH ADVISORY
ISSUED 0930 UTC 01 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1027        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...INFRARED...AND MULTISPECTRAL
IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. THE
GEOPHYSICAL INSTITUTE IN QUITO. 
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ERUPTION DETAILS: CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0915 UTC SHOWS NO ASH
ALTHOUGH THERE ARE EXTENSIVE  CLOUDS OVER THE VOLCANO MAKING
ANY DETECTION OF ASH DIFFICULT. THE GEOPHYSICAL INSTITUTE
REPORTED 5 MODERATE EXPLOSIONS THIS PAST DAY WITH ASH MOSTLY
AT SUMMIT LEVEL ALTHOUGH ONE EXPLOSION PRODUCED ASH BRIEFLY TO
FL300. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR THE
SUMMIT TO MOVE WEST SOUTHWEST AT 15 TO 20 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 02/0930 UTC.
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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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