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Illinois has had large tornado outbreaks in the past, including the tornado outbreak sequence of December 18–20, 1957 and the 1967 Oak Lawn tornado outbreak. Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around 5 tornadoes per 10,000 square miles (30,000 km 2) annually. [1]
1972 Portland–Vancouver tornadoes; Hurricane Agnes tornado outbreak; Tornadoes of 1973. List of United States tornadoes from January to February 1973; San Justo tornado; List of United States tornadoes in March 1973; Tornado outbreak sequence of April 19–21, 1973; 1973 Central Alabama tornado; Tornadoes of 1974. Tornado outbreak of April 1 ...
1975 Canton, Illinois, tornado; Marion, Illinois, tornado outbreak; 1990 Plainfield tornado; June 1990 Lower Ohio Valley tornado outbreak; Tornado outbreak sequence of May 6–27, 1995; List of tornadoes in the May 1995 tornado outbreak sequence; Tornado outbreak sequence of April 1996; Tornado outbreak of April 15–16, 1998; List of tornadoes ...
The 2023 tornado season map looked slightly different, with Illinois taking the number-one spot with 118 tornadoes and Colorado having 88 at number two. Illinois, Colorado, Texas, Iowa and Alabama ...
Learn about the formation and characteristics of hurricanes, typhoons and tornadoes.
This year, four of the five hurricanes that made landfall in the U.S. produced tornadoes of EF-3 intensity. “Milton will likely go down as the most prolific tornado-producing hurricane in ...
EF0 and EF1 tornadoes are considered "weak" tornadoes, EF2 and EF3 are classified as "strong" tornadoes, with winds of at least major hurricane force, where EF4 and EF5 are categorized as "violent" tornadoes, with winds corresponding to category 5 hurricane winds and rising to match or exceed the strongest tropical cyclones on record.
Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around 5 tornadoes per 10,000 square miles (30,000 km 2) annually. [2] Peak tornado activity occurs between April and June. [5] Illinois also receives the remnants of tropical cyclones which have struck the Gulf