FVXX20 KWBC 031610 VOLCANIC ASH ADVISORY . ISSUED: 2002JAN03/1610Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/001 . INFORMATION SOURCE: GOES-8 VISIBLE ..INFRARED AND MULTISPECTRAL IMAGERY. INSITUTO GEOFISICO. GUAYAQUIL MWO. . ERUPTION DETAILS: ASH OBSERVED AT 1530Z TO FL180. . DETAILS OF ASH CLOUD: THE INSITUTO GEOFISICO REPORTED ASH OVER THE VOLCANO AT 1530Z. SATELLITE IMAGERY IS NOT YET AVAILABLE BEYOND 1515Z. THIS ASH WAS REPORTED MOVING WSW. . TRAJECTORY: ASH UP TO FL180 WOULD MOVE SOUTHWESTERLY AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: WILL BE ISSUED BY 2002JAN03/1800Z. . . NNNN