FVXX21 KWBC 190500 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0500 UTC 19 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-073 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 0000 UTC UPPER AIR WINDS FROM MODEL DATA. . ERUPTION DETAILS: LAST ERUPTION AROUND 17/0115 UTC . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0415 UTC SHOWS DENSE CLOUDINESS OVER THE REGION MAKING ANY DETECTION OF ASH DIFFICULT. ASH OBSERVED EARLIER WAS ESTIMATED AT FL250 TO FL300. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT FL250/300 WOULD MOVE TOWARD THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 19/1100 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. . KARST/NOAA/NESDIS/SAB . NNNN