Nearly three decades ago, a monstrous F5 tornado tore through multiple Birmingham suburbs, wiping out dozens of structures, claiming the lives of 32 people and injuring hundreds.

WOODWARD, Okla. — On April 9, 1947, one of Oklahoma's most devastating tornadoes hit Woodward. The powerful F5 tornado level 200 city blocks and killed more than 100 people in the city ...

which rated tornadoes from F0 to F5, based on estimated wind speeds and observed damage. Then, in 2007, the weather service adopted the Enhanced Fujita scale, which better reflected actual storm ...