FVXX21 KWBC 091900 VOLCANIC ASH ADVISORY ISSUED 1900 UTC 09 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-931 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE ... INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: NEARLY CONTINUOUS GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 09/1845 UTC. SCATTERED CLOUDS SURROUND THE SUMMIT. ASH WAS LAST REPORTED BY THE GEOPHYSICAL INSTITUTE AT 09/0804 UTC TO FL260 MOVING TO THE WEST. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL260 WOULD MOVE TOWARDS THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 09/1900 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. . NNNN