| 4. |  | The Joplin Tornado |
A lumbering tornado, striking out of violent thunderstorms, ripped into the heart of Joplin, Mo., about dusk May 6, 1971, catching the city's 40,000 residents at supper time and carving out a path of destruction 37 blocks long, killing one man, injuring 45 and causing an estimated $7 million in damage. |