FVXX21 KWBC 180630
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0630 UTC 18 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-582         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. 
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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 18/0545 UTC DUE TO THE EXTENSIVE WEATHER CLOUDS IN THE
AREA. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY
ASH BETWEEN THE SUMMIT AND FL250 IT 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 18/1230 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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