Illustration of snow drifts and snow flakes with a blue background with black text.
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A storm that is now known as the Groundhog Day Blizzard of 2011 impacted a large part of the United States, Canada and a small portion of Mexico from January 31- February 2 2011. The storm forced states of emergency in Illinois, Oklahoma, and Missouri. Areas not normally accustomed to winter weather experienced both ice and snow accumulation. There were widespread power outages and thousands of flight cancellations. Chicago’s O’Hare International Airport cancelled over 1,100 flights. The airport reported a record total of 21.2 inches of snow which makes it the third largest snowfall amount in Chicago history to date.