FVXX21 KWBC 202300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2250 UTC 20 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-218       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: THE GEOPHYSICAL INSTITUTE IN QUITO. GOES-8 
VISIBLE INFRARED AND MULTISPECTRAL IMAGERY.  12 HOUR WIND FORECAST
FROM THE AVIATION MODEL.
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ERUPTION DETAILS: A CONTINUOUS PLUME OF GASES WITH PERIODIC ERUPTION
OF ASH. 
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH
20/2215 UTC BECAUSE OF METEOROLOGICAL CLOUDS. ASH HAS RECENTLY BEEN
AT OR BELOW FL180. THE GEOPHYSICAL INSTITUTE REPORT INDICATED
DECREASED SEISMICITY TODAY.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH AROUND FL180
WILL MOVE TOWARD THE WEST AT ABOUT 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 21/0500 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS 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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