FVXX21 KWBC 281430 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1430 UTC 28 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-370 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY GUAYAQUIL MWO. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: CONTINUOUS DEGASSING WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 28/1415 UTC SHOWS EXTENSIVE CLOUDS OVER THE AREA MAKING DETECTION OF ASH DIFFICULT. THE INSTITUTE REPORTED YESTERDAY THERE HAS BEEN SOME INCANDESCENCE AT THE CRATER AND PLUME WAS 1 KM ABOVE THE SUMMIT WHICH IS AROUND FL200. TODAY THE SUMMIT IS CLOUD COVERED. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL230 SHOULD MOVE TO THE WEST AROUND AT 5-10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 28/2030 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. . NNNN