FVXX22 KWBC 220800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 22 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1097 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS. . DETAILS OF ASH CLOUD: THE LATEST OBSERVATION FROM THE GEOPHYSICAL INSTITUTE REPORTS PROBABLE VOLCANIC ASH AT 22/0648 UTC MOVING WEST. EARLIER AT 22/0021 UTC THE INSTITUTE REPORTED ASH TO FL300 MOVING WEST. SATELLITE IMAGERY SHOWS LOW AND MID LEVEL CLOUDINESS OVER THE REGION MAKING IT DIFFICULT TO DETECT ASH. . TRAJECTORY: ASH FROM THE SUMMIT TO FL300 SHOULD MOVE TO THE WEST AT 10 TO 20 KTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 22/1400 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. . KARST . NNNN