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 ...

Large tornadoes cause the most damage. "Some small 'rope' tornadoes still can cause violent damage of EF4 or EF5; and some very large tornadoes over a quarter-mile wide have produced only weak ...

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 ...

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 ...

An EF3 is a severe tornado with buildings lost, estimated wind speeds of 136 to 165. Then, an EF4 has wind speeds of 166 to 200 mph. Finally, the EF5, which is the strongest with catastrophic ...

Jordan announced on Wednesday it is banning Muslim Brotherhood. He said explosives and weapons had been discovered and added that the night the plot was announced, the Muslim Brotherhood had ...

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 ...

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 ...