Tuesday, November 25, 2014

Rain changes over to accumulating snow this week in Chicago

http://www.chicagotribune.com/news/weather/ct-wea-1125-summary-20141124-column.html

During the daylight hours Monday, an intensifying center of low pressure approached and moved northeast. Sunday night and Monday morning widespread heavy rains totaling an inch or more at many locations spread over the Chicago area. As the low moved off to the northeast, west winds gusting over 40 miles per hour pulled much colder air into our area — temperatures dropping 16 degrees from 47 degrees at 7 a.m. to 31 degrees by noon.

The leading edge of very cold Arctic-source high pressure will surge into the Midwest and western Great Lakes on Thursday. If verified, the forecast high temperature of 26 degrees Thanksgiving Day would be the coldest Thanksgiving in Chicago since a 25-degree high back in 1956.

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