FVXX21 KWBC 281550
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1550 UTC 28 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-624         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...GUAYAQUIL METEOROLOGICAL WATCH
OFFICE..UPPER AIR WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: NO ASH CAN BE DETECTED IN SATELLITE IMAGERY
THROUGH 28/1515 UTC DUE TO WEATHER CLOUDS OVER THE AREA. THE
GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO AT 28/1227
UTC.
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TRAJECTORY: UPPER AIR WIND PATTERNS SUGGEST THAT ANY ASH
BETWEEN THE SUMMIT AND FL250 WOULD MOVE TO THE WEST AT UP TO
25 TO 30 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 28/2200 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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BROWN
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