FVXX21 KWBC 181230
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1230 UTC 18 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-583         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.  6 HOUR WIND FORECAST FROM THE
18/0600 UTC AVIATION MODEL. 
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH
EMISSIONS.   
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 18/1145 UTC DUE TO THE EXTENSIVE CLOUDINESS IN THE
AREA.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL250 WILL MOVE
TOWARD THE WEST AT 20 TO 25 KNOTS. 
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 18/1830 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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WALTER
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