SAN PEDRO SULA, Honduras — Tropical Storm Sara made landfall in northern Honduras late Thursday and threatened to dump torrential rains across parts of Central America and southern Mexico. Sara hit land about 165 kilometers west-northwest of the Cabo Gracias a Dios on the Honduras-Nicaragua border, according to the U.S. National Hurricane Center in Miami. That is near Brus Laguna, a village of about 13,000 inhabitants. There are few other population centers nearby. At 3 a.m.(0900 GMT) the center said the storm was located about 100 kilometers east, southeast of Belize City in Honduras with a maximum sustained wind speed