FVXX21 KWBC 050730 VOLCANIC ASH ADVISORY ISSUED 0730 UTC 05 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1039 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 CAN BE DETECTED IN SATELLITE IMAGERY THROUGH 05/0645 UTC DUE TO EXTENSIVE LOW AND MID LEVEL CLOUDS IN THE AREA. THE LAST REPORT OF ASH FROM THE GEOPHYSICAL INSTITUTE WAS AT 04/1749 UTC WITH ASH REPORTED AS HIGH AS FL240. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL240 WOULD MOVE TO THE WEST AT ABOUT 5 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 05/1330 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