2011 Groundhog Day Blizzard, North America

• Airport traffic
At least 6,400 flight cancellations occurred across North America before the storm. Impact was severe at Chicago's O'Hare International Airport, as over 1,100 flights were cancelled there. A less severe but still a major impact was at Toronto Pearson International Airport in Toronto where about 300 of its 1,400 daily flights were cancelled.
• Power outages
Many local and widespread power outages affected locations along the storm track, including in Ohio, Oklahoma, New Mexico, Indiana, Texas, Colorado and Kentucky.