FVXX21 KWBC 160400 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0400 UTC 16 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-573 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 15/1800 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH IS SEEN ON THE CURRENT SATELLITE IMAGERY THROUGH 16/0415 UTC. HOWEVER, A WELL DEFINED HOT SPOT IS VISIBLE IN THE MULTISPECTRAL IMAGERY. ASH WAS LAST SEEN ON THE SATELLITE IMAGERY AT 15/2215 UTC AND WAS REPORTED BY THE GEOPHYSICAL INSTITUTE AT 15/2048 UTC TO FL280. . TRAJECTORY: ASH AT FL280 WOULD MOVE TOWARDS THE WEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 16/1000 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. . WALTER . NNNN