Extremely cold temperates are on the way for the area, and accompanying those temperatures could be gulf moisture. As the polar vortex fractures, these lobes will move down into the United States, and the cold air that is associated will also move through. Most major global models have an arctic front moving in Tuesday evening with snowfall developing behind. These type system can be referred to as anafronts since they are a-typical. Usually moisture develops out in front of cold fronts, but in rare cases with so arctic fronts moisture can develop behind. That is what many of the models have been keying on. So for the weekend we have the chance of a few snow flurries Sunday as a weak clipper systems move through. Then all eyes will focus on the next arctic front and how it interacts with the Gulf. Models have been struggling greatly with this upcoming pattern, so a multitude of solutions are still on the table. so bear with me through the duration. Below you can see the most recent snowfall map produced by the European model.
12z Euro Snowfall courtesy of Weather.us
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The GFS also shows this development as you can see below.
12z GFS Precipitation Depiction Courtesy of Weathermodels.com
An anafront allows moisture to fall post frontal passage. The depiction below is from NCSU and shows how unlike a typical frontal passage, moisture is allowed to fall into the cold region of the storm. Usually we experience what are considered Katafronts, but this systems appears to be an anafront, and not just cold chasing moisture. Join me tonight at 8pm live in the AshevilleWX App as I discuss the possibilities, or tune in on Facebook live shortly after!
