FVXX21 KWBC 041330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1330 UTC 04 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-270 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 1245 UTC SHOWED EXTENSIVE CLOUD COVER OVER THE SUMMIT AND SURROUNDING VICINITY WITH NO EVIDENCE OF ASH ABOVE THE CLOUD DECK. 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 NORTHWEST AT 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 04/1930 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