Monday, December 27, 2010

Best chance yet!

For several days now meteorologists at the National Weather Service have been tracking what appears to be our best chance of widespread snow across the front range so far this season. I have held off on writing anything about it because of my personal skepticism that this will actually come to fruition, and the uncertainty that remains with the eventual track of the low pressure system hanging off the Pacific coast. After three months of virtually no snowfall, it is hard to imagine all the ingredients will actually come together to bring us a real storm.

With the system not due in until sometime Thursday, let us take a look at a couple of possibly scenarios. The first, and best, is shown to the right in this GFS weather model. The low tracks across southern Colorado, giving Denver the best chance for prolonged, moderate snowfall (depicted in blue in the lower image). Some models, however, continue to track the low further north which would greatly impede our chances at getting a good snowfall in Denver. Either way, cold air is due to arrive in a fury, and will likely bring us some of the coldest temperatures of the season. Friday's highs may struggle to get out of the teens.

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