FVXX21 KWBC 300100 VOLCANIC ASH ADVISORY ISSUED 0100 UTC 30 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1013 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 30/0015 UTC. THE GEOPHYSICAL INSTITUTE REPORTED INCREASED ACTIVITY AT THE VOLCANO TODAY WITH ASH EMISSIONS THIS AFTERNOON UP TO FL250 MOVING TO THE WEST AND SOUTHWEST. THE LAST REPORT OF ASH WAS AT 29/1640 UTC TO FL230 MOVING TO THE WEST SOUTHWEST. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL230 WILL MOVE TOWARDS THE WEST AT ABOUT 15 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 30/0700 UTC. . REAL TIME SATELLITE IMAGERY AND 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