FVXX21 KWBC 030805 VOLCANIC ASH ADVISORY ISSUED 0805 UTC 03 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1031 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 THE AVIATION MODEL. . ERUPTION DETAILS: GAS AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 03/0745 UTC. IT HAS BEEN 18 HOURS SINCE ASH WAS DETECTED IN SATELLITE IMAGERY TO AROUND FL220. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE SUMMIT AND FL220 WOULD MOVE TOWARDS THE WEST AT ABOUT 15 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 03/1400 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. . TURK . NNNN