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Environment
 

On August 10, 2020, a large and intense line of thunderstorms known as a "derecho" swept across much of the Midwest producing wind damage to an area more than 90,000 square miles. The derecho resulted in $11.5B worth of damage, making it the COSTLIEST known thunderstorm event in modern U.S. history. Peak wind gusts topped 140 mph in Cedar Rapids, Iowa, and at least 26 tornadoes were spawned by the storm. More than 20,000,000 people lived in the damage footprint of the derecho, with at least 1,000,000 customers losing power -- some for more than two weeks. Numerous injuries were counted after the storm, and four people lost their lives. 

 

In the , over 160 reports of damaging winds were received and 15 tornadoes were confirmed, including an EF-1 tornado in the Rogers Park neighborhood of Chicago. The derecho stands as one of the most impactful weather events to ever impact the ²©ÌåÓý Chicago County Warning Area. Additionally, as of 2021, August 10, 2020 is tied with as the single calendar day with the 2nd most tornadoes within the ²©ÌåÓý Chicago County Warning Area behind the  event. 

 

 

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Additional recaps can be found on the ²©ÌåÓý Chicago Past Events Page
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