FVXX22 KWBC 220155 VOLCANIC ASH ADVISORY ISSUED 0155 UTC 22 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1096 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 GEOPHYSICAL INSTITUTE REPORTS THAT ASH IS CONTINUING TO VENT FROM THE SUMMIT. THE LATEST REPORT AS OF 22/0021 UTC INDICATES ASH OVER THE VOLCANO REACHING FL300. SATELLITE IMAGERY THROUGH 22/0115 UTC DOES SUGGEST SOME ASH MOVING TO THE NORTHWEST OF THE SUMMIT. HOWEVER THERE IS STILL SOME CLOUDINESS AROUND WHICH IS MAKING IT DIFFICULT TO ANNOTATE. THE ASH IS ESTIMATED TO STILL BE REACHING FL300. . 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 22/0800 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