FVXX22 KWBC 212255 VOLCANIC ASH ADVISORY ISSUED 2255 UTC 21 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1095 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS THAT ASH IS CONTINUING TO VENT FROM THE SUMMIT. THE LATEST REPORT AS OF 21/2229 UTC INDICATES ASH OVER THE VOLCANO REACHING FL300. SATELLITE IMAGERY IMAGERY THROUGH 21/2215 UTC SHOWS AN ABUNDANCE OF SHOWERS AND THUNDERSTORMS OBSCURING THE SUMMIT AND ITS SURROUNDINGS. NO ASH IS DISCERNIBLE AT THIS TIME HOWEVER IT IS VERY LIKELY EMBEDDED WITHIN THE DECKS OF CLOUDINESS ALREADY MOVING THROUGH. WILL CONTINUE TO MONITOR. . TRAJECTORY: ASH FROM THE SUMMIT TO FL300 SHOULD MOVE TO THE WEST AND NORTHWEST AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 22/0500 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. . ORRISON . NNNN