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The most destructive event of the sequence was a severe derecho that affected much of eastern Iowa, northern Illinois, and northwest Indiana on July 15 and 16. Extreme atmospheric instability contributed to a powerful bowing mesoscale convective system that brought widespread downburst wind gusts of over 75 mph (121 km/h) and peaking at 105 mph ...
Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 54 occurring annually, which puts much of the state at around 9.7 tornadoes per 10,000 square miles (30,000 km 2) annually.
Progression of a well-anticipated high risk event across the Central Plains on April 14, 2012. This event ultimately produced 85 tornadoes that day, one of which killed six people. A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the ...
A line of severe thunderstorms is forecast for the area for most of the day Wednesday, with the possibility of high winds, hail and tornadoes. 'Enhanced risk' for severe weather for central ...
Here is a look at the 3-day weather forecast for Central Illinois out the National Weather Service in Lincoln, Ill.: Saturday : Mostly cloudy, then gradually becoming sunny, with a high near 39.
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]
This includes locations from central Nebraska and northeastern Kansas to much of Iowa, northern Missouri and western Illinois. All modes of severe weather will be possible on Sunday in this ...
Severe weather, including tornadoes, is common during the spring and summer months. [10] Rare blizzards can happen in parts of central Illinois in winter. The weather of central Illinois affects the crop season as well; droughts can sometimes happen in the summer and fall causing harm to the soybean and corn crops.