BACKGROUND:  Weather headlines this week are dominated by the historic Arctic air surging southward into the Midwest and Northeast. Some areas will be seeing their coldest temperatures in more than 20 years! The GFS 800 mb temperature map below shows where the coldest air is currently located. A property of cold air which you may not have considered is how dense it is …

BoulderCAST Team

BoulderCAST Team

This post had major contributions from at least two members of our team. The more meteorologists the better, right?

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