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As Winter Storm Blair moves across the Central and Eastern United States, airlines are issuing travel waivers to passengers on affected flights. The storm is considered the first major winter storm of the season in the US, bringing a blast of polar air that has dropped temperatures to nearly -20 degrees Celsius in some areas.
The storm developed over the Rocky Mountains and moved eastward along the polar jet stream, leaving parts of the Great Plains covered in over a foot of snow. By Sunday, more than 50 million Americans were under weather advisories due to the storm's impact.
Denver International Airport experienced significant disruptions with over 600 flight delays and 100 cancellations caused by dense fog and snow. Airports such as Saint Louis, Cincinnati, Philadelphia, and Washington DC's three major airports are directly in the path of the storm.
