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

Damage looks flattened out, with trees pointing in the same direction or fanning out from one another. Just four Ohio tornadoes since 1950 have received the most severe EF5 designation.

Damage looks flattened out, with trees pointing in the same direction or fanning out from one another. Just four Ohio tornadoes since 1950 have received the most severe EF5 designation.

the weakest tornadoes, to EF5, the strongest. The wind speeds are just estimates, based on damage surveys conducted by the National Weather Service, and not actual wind measurements. Throughout ...

At least one tornado touched down in Iowa along with baseball-sized hail in severe storms that also hit Nebraska and worked ...

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 ...

which spawned damage to buildings and flipped RVs in various parts of the Tri-State. The Enhanced Fujita scale, or the measurement of the strength of tornadoes, goes from EF0 to EF5. Here are the ...

Tornadoes Are Rated On The Enhanced Fujita Scale: Survey crews assign a rating from EF0 (light damage) to the rare EF5 (incredible damage), based on the most severe damage observed along a tornado ...