FVXX21 KWBC 101922 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1922 UTC 10 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-295 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 FORECAST DATA...GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: SATELLITE DATA HAS BEEN LIMITED TO ONE IMAGE EVERY THREE HOURS IN ORDER TO SUPPORT U.S. NATIONAL WEATHER SERVICE OPERATIONS. THE 1745 UTC IMAGE SHOWED BROKEN CLOUDS IN THE VICINITY OF THE SUMMIT WITH NO INDICATION OF ASH. THE LAST INDICATION OF ASH CAME AT 1400 UTC WHEN RIOBAMBA REPORTED VOLCANIC ASH TO FL170 OVER THE VOLCANO. THE GEOPHYSICAL INSTITUTE NOTED TODAY THAT RECENT VOLCANIC ACTIVITY AT TUNGURAHUA HAS LARGELY BEEN CONFINED TO THE SUMMIT AND IMMEDIATE SURROUNDINGS. . TRAJECTORY: ANY REMAINING ASH AT FL170 WOULD MOVE TOWARDS THE WEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 11/0130 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. . TURK . NNNN