Not only is Chicago experiencing its first snowfall of the season, gusty winds are also producing troubling conditions for both commuters and travelers.
Current Winds
Wind gusts as high as 53 mph were recorded at the Chicago Midway International Airport. Wind gusts reached 49 mph at the Chicago Executive Airport. Nearby in Gary, Indiana, winds gusted as high as 69 mph at the Gary/Chicago International Airport.
ABC-7 reports that high winds whipped up tall waves on Lake Michigan and led to closures on Lake Shore Drive’s northbound lanes. The windy conditions were created by a rapid change of air pressure.
"When an area of low pressure sets up near an area of high pressure, air flows quickly from high to low in the form of wind. The greater the pressure differences, the faster the wind speeds that can develop,” weather.com meteorologist Chrissy Warrilow said.
O’Hare International Airport canceled over 300 flights because of the weather, while Midway International Airport continued normal operations, NBC Chicago reports.
According to the National Weather Service, a tenth of an inch of snow was recorded at both the Chicago O’Hare Airport and the Rockford Airport. This is the first measurable snowfall recorded in Chicago on Halloween.
http://www.weather.com/news/commuter-conditions/chicago-snow-winds-impacts-20141031
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