FVXX21 KWBC 180430 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0430 UTC 18 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-069 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: LAST ERUPTION AROUND 17/0115 UTC . DETAILS OF ASH: THERE WAS NO EVIDENCE OF AN ASH PLUME IN SATELLITE IMAGERY THROUGH 18/0345 HOWEVER EXTENSIVE CLOUDINESS OVER THE VOLCANO HAS MADE THE DETECTION OF ASH BELOW THE CLOUD DECK IMPOSSIBLE. THE GEOPHYSICAL INSTITUTE IN ITS DAILY REPORT FOR MONDAY INDICATED THAT THERE HAD BEEN A SLIGHT INCREASE IN ACTIVITY DURING THE DAY. . TRAJECTORY: NIL. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 18/1030 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