FVXX20 KWBC 151730 VOLCANIC ASH ADVISORY ISSUED: 2002JAN15/1730Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/019 . INFORMATION SOURCE: SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE. VISIBLE..INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SIX HOUR WIND FORECAST FROM THE 15/1200Z AVIATION MODEL. . ERUPTION DETAILS: ASH OBSERVED AT 15/1100Z. . DETAILS OF ASH CLOUD: ASH IS NOT VISIBLE IN THE SATELLITE IMAGERY THROUGH 15/1715Z. . TRAJECTORY: ANY REMAINING ASH AT FL180 WILL MOVE TOWARDS THE SOUTHWEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: NO FURTHER ADVISORIES. . WALTER . NNNN