FVXX21 KWBC 310730
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0730 UTC 31 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-635         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. SIX HOUR WIND FORECAST FROM THE 0000 UTC AVIATION
MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: LATEST SATELLITE IMAGERY THROUGH 31/0645 UTC
DOES NOT SHOW ANY CURRENT ASH PLUME DUE TO EXTENSIVE CLOUDS IN
THE AREA.  THE LATEST HEIGHT ESTIMATE PLACED ASH AT OR BELOW
FL250 YESTERDAY.

TRAJECTORY: ASH BETWEEN THE SUMMIT AND FL250 WOULD MOVE TO THE
WEST SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 31/1330 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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