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Intensity cannot be determined due to a lack of information. This rating applies to tornadoes that traverse areas with no damage indicators, cause damage in an area that cannot be accessed by a survey, or cause damage that cannot be differentiated from that of another tornado. [4] N/A EF0: 65–85: 105–137 52.82% Minor damage.
F5 damage in Bridge Creek, Oklahoma, from the May 3, 1999, tornado. Following two particularly devastating tornadoes in 1997 and 1999, engineers questioned the reliability of the Fujita scale. Ultimately, a new scale was devised that took into account 28 different damage indicators; this became known as the Enhanced Fujita scale. [11]
Aerial view of EF3 damage in Mayfield, Kentucky, on December 12, 2021, one of several towns impacted by the 2021 Western Kentucky tornado. This is a list of tornadoes which have been officially or unofficially labeled as F4, EF4, IF4, or an equivalent rating during the 2020s decade.
The meteorologists and engineers who designed the EF Scale believe it improves on the F-scale on many counts. It accounts for different degrees of damage that occur with different types of structures, both manmade and natural. The expanded and refined damage indicators and degrees of damage standardize what was somewhat ambiguous.
Hepatitis E, the report added, can cause severe illness, especially in those with underlying health conditions, and can lead to cirrhosis of the liver and neurological damage
Weeks before allegedly shooting UnitedHealthcare CEO Brian Thompson, Luigi Mangione wrote that the company's investor conference was a perfect place to "wack" a top insurance executive, federal ...
And chronic cadmium exposure can damage the kidneys, bones, and lungs, as well as raise your risk for certain types of cancer, according to the Occupational Safety and Health Administration (OSHA).
Ultimately, a new scale was devised that took into account 28 different damage indicators; this became known as the Enhanced Fujita scale. [4] With building design and structural integrity taken more into account, winds in an EF4 tornado were estimated to between 166 and 200 mph (267 and 322 km/h). [ 5 ]