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CHICAGO — The National Weather Service confirmed at least eight tornados touched down across the Midwest in the last two days — with at least one EF-1 tornado touching down in downtown Chicago.
CHICAGO — National Weather Service officials said Thursday multiple tornadoes were confirmed in northeast Illinois but they still had survey teams out exploring twister touchdowns. Multiple ...
The weather service said EF-1 tornadoes struck two other areas of suburban Chicago in Illinois. EF-0 twisters were reported in Illinois and Indiana suburbs of Chicago.
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]
EF3 tornadoes in Arkansas, Tennessee, and Illinois prompted the issuance of tornado emergencies and multiple mass casualty incidents were declared for some of the hardest hit areas. One of these tornadoes was a high-end EF3 tornado that passed through the northern Little Rock metro, causing extensive damage and dozens of injuries.
High risk convective outlook issued by the Storm Prediction center at 13:00 UTC on May 6. Starting April 30, the Storm Prediction Center noted that certain models, including the ECMWF, forecasted a multi-day period of high instability and supportive wind shear across the Southern and Central Plains, [10] and by May 1, a 15% risk was added across Nebraska, Kansas, Oklahoma, and northern Texas. [11]
The tornadoes were part of a larger system that wreaked havoc from Arkansas to Iowa and Illinois and moved into Tennessee by the evening. Nearly 60 preliminary tornado reports were sent to the ...
A tree uprooted by a weak tornado in Chicago on July 14. The Storm Prediction Center outlined a slight (2/5) risk convective outlook at 13Z, outflow from previous mesoscale convective systems had manifested as outflow boundaries over Iowa and Illinois, which were expected to be conducive to the formation of serial mesoscale convective systems that evening. [21]