FVXX21 KWBC 240300 VOLCANIC ASH ADVISORY ISSUED 0300 UTC 24 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-989 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 OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 24/0215 UTC SHOWS EXTENSIVE CLOUDS OVER THE AREA MAKING IT DIFFICULT TO DETECT ASH. AN OBSERVATION EARLIER REPORTED VOLCANIC ASH OVER THE VOLCANO AT 23/2200 UTC MOVING WEST. . TRAJECTORY: ANY ASH THAT MIGHT EXIST NEAR SUMMIT LEVEL WOULD MOVE TOWARDS THE WEST AT BETWEEN 15 AND 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 24/0900 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. . . NNNN