FVXX21 KWBC 240500 VOLCANIC ASH ADVISORY ISSUED 0500 UTC 24 JUN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-735 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 24/0415 UTC SHOWS EXTENSIVE CLOUDINESS IN THE AREA AROUND THE VOLCANO MAKING ASH DETECTION DIFFICULT. THE GEOPHYSICAL INSTITUTE LAST REPORTED ASH OVER THE VOLCANO AT 23/2009 UTC. THIS ASH WAS REPORTED NEAR SUMMIT LEVEL MOVING TO THE NORTHWEST. . TRAJECTORY: ANY ASH NEAR SUMMIT LEVEL WILL MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 24/1100 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORIES 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . CLARK . NNNN