FVXX21 KWBC 170100 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0100 UTC 17 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-577 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE 16/1800 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY AT 17/0015 UTC DOES NOT SHOW ANY ASH ALTHOUGH THERE IS EXTENSIVE CLOUDS IN THE AREA. A REPORT FROM THE GEOPHYSICAL INSTITUTE REPORTS ASH AT FL230 MOVING WEST. . TRAJECTORY: ASH AT FL230 WOULD MOVE TOWARD THE WEST AT 10-15 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 17/0700 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