FVXX21 KWBC 041930 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1930 UTC 04 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-271 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1845 UTC SHOWED BROKEN MID AND HIGH LEVEL CLOUDS OVER THE SUMMIT AND SURROUNDING VICINITY WITH NO EVIDENCE OF ASH. THE LAST INDICATION OF ASH CAME AT 03/2200 UTC WHEN RIOBAMBA REPORTED VOLCANIC ASH OVER THE VOLCANO. . TRAJECTORY: MODEL DATA INDICATES ANY ASH FROM THE SUMMIT TO FL300 WOULD MOVE TOWARDS THE WEST AT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 05/0130 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