FVXX21 KWBC 091220 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1220 UTC 09 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-545 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY...0600 UTC NATIONAL WEATHER SERVICE MODEL FORECAST DATA. . ERUPTION DETAILS: OCCASIONAL STEAM AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 09/1145 UTC SHOWS OCCASIONAL EMISSIONS OF ASH AND STEAM. VISIBLE AND MULTISPECTRAL IMAGERY SUGGESTS A RATHER MINOR PLUME MOVING TO THE WEST. A HOT SPOT IS NOTED AT 1145 UTC ALSO. DESPITE THE EVIDENCE OF ASH IT IS DIFFICULT TO OUTLINE IT DUE TO EXTENSIVE CLOUDINESS MOVING IN FROM THE EAST WHICH HAS BEEN ASSOCIATED WITH SHOWERS AND THUNDERSTORMS. THE ASH AND STEAM HAS REACHED AS HIGH AS FL320 OVER THE LAST 24 HOURS. . TRAJECTORY: ASH FROM THE SUMMIT TO FL320 WILL MOVE TO THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 09/1830 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS 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