Just four Ohio tornadoes since 1950 have received the most severe EF5 designation. The last time was May 31, 1985, when an EF5 tornado that tore through parts of Portage and Trumbull counties ...

Damage surveys provide crucial information about when, where and how strong U.S. tornadoes are to better understand disaster ...

There hasn't been an EF5 tornado since May 20, 2013. This is the well-known Moore Oklahoma tornado with unfortunately 24 fatalities and 212 injuries. To stream NewsWest9 on your phone, you need ...

This scale, implemented in 2007, categorizes tornadoes from EF0, the weakest tornadoes, to EF5, the strongest. The wind speeds are just estimates, based on damage surveys conducted by the National ...

Still from Twisters (Image via Universal Pictures) Just like the waterspouts in Twister, there is a fire-based variation ... more weight and impact. The EF5 tornadoes are some of the most ...

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.

Each of these tornadoes were surveyed on the damage they caused and were given an EF rating of EF0 to EF5 by the National Weather Service. As common as tornadoes are in Texas, the most violent ...