Disastrous floods follow in the wake of Hurricane Beulah in Texas. Levees give way and the lower Rio Grande Valley is covered. Some 30,000 flee their homes and damage estimates run as high as a billion dollars. Several city scenes show heavy winds blowing street signs, the roofs off buildings and debris down city streets. The Brownsville Airport is shown underwater. Several aerial shots show neighborhoods underwater. Other aerial shots show-flattened communities destroyed by wind.