FVXX21 KWBC 150300 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0300 UTC 15 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-443 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...REPORTS FROM THE GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: NEARLY CONTINUOUS GAS EMISSIONS WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 15/0215 UTC SHOWS NO SIGNS OF ASH. HOWEVER AT 14/1950 THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO. THE LAST REPORTED HEIGHT OF ASH WAS TO FL220 AT 14/1414 UTC. SOME AREAS OF SHOWERS AND THUNDERSTORMS ARE CASTING CLOUDS OVER THE SUMMIT AND THIS IS HELPING TO MAKE IT DIFFICULT TO SEE ASH. . TRAJECTORY: ASH FROM THE SUMMIT TO FL220 WOULD MOVE TOWARDS THE SOUTHWEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 15/0900 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