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The drought began on May 20, 2013, following the dissipation of the 2013 Moore, Oklahoma EF5 tornado. [11] [12] Several tornadoes since the Moore EF5 have reached the 200 miles per hour (320 km/h) wind speeds needed for a tornado to be classified as an EF5, including the 2013 El Reno EF3 tornado and 2015 Rochelle–Fairdale EF4 tornado, with wind speeds measured in excess of 295 miles per hour ...
F5 and EF5 Tornadoes in the United States 1950–2019 Detailed map. The tornadoes on this list have been formally rated F5 by an official government source. Unless otherwise noted, the source of the F5 rating is the U.S. National Weather Service (NWS), as shown in the archives of the Storm Prediction Center (SPC) and National Climatic Data ...
The strongest (violent EF4/EF5) tornadoes occurred in the high-risk area (many in/near the 45% probability) while dozens of other tornadoes were confirmed throughout the other risk areas. Three of the tornadoes tracked over 100 miles (160 km), with one of them becoming the deadliest tornado ever recorded in Alabama .
Before the Moore tornado, the blockbuster tornado season in 2011 led to the confirmation of five EF5 twisters, including the Joplin, Missouri, EF5 that killed 161 people. A total of 50 tornadoes ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
The DEP officials continued a drought watch in 13 counties, including Lebanon, despite increased rainfall over the Christmas weekend. DEP officials maintain statewide drought watch for 13 counties ...
The last EF5 tornado to touch down in the United States was 10 years ago. On May 20, 2013, at least 24 people died after an EF5 tornado wreaked havoc across Moore, Oklahoma.
The following is a list of the costliest tornadoes in the Americas including Canada and the United States. It includes all tornadoes that, when damage totals are adjusted for inflation, have cost at least $100 million in damages (in 2024 dollars).