Good morning 😒☺️ Clipper effects the Country Lots of Lake-effect snow behind the clipper Snow that is falling from Long Is. to New England winds down this afternoon as the clipper system rides out into the Atlantic .In its wake the Great Lakes will be under very cold westerly flow and another another round of lake-effect snow has already developed. Winds may set up out of one direction for an extended period of time Friday night through Saturday night and that will produce very heavy total snowfall across very localized areas to the east of the lakes. The most significant snowfall will likely be east of Lake Ontario on the Tug Hill Plateau where 2 to 4 feet of snow could occur and east of Lake Erie around Erie PA where 1 to 3 feet is possible. Below is the total snowfall through Saturday. Wintry Weather Likely from Texas through the Midwest This weekend and the Mid-Atlantic Into Early Next Week As the arctic air settles across the South, there are signs from the models that some moisture from the Gulf of Mexico will begin to work its way northward this weekend. We are certain that it will cold enough across the South through the East to produce wintry weather. Part of this is due to the cold air in place from the Arctic High that has settled across the U.S. and a second High that will reinforce the cold air across the Eastern U.S. during the latter part of the weekend. Our suite of computer models still show some uncertainty with the moisture forecast but they are coming into a little better agreement in the general pattern for moisture being brought north across the Midwest Sunday and the Mid-Atlantic through Northeast Monday into Tuesday. Freezing rain will make for some icy roadways for the OH Valley and central Appalachians/Mid-Atlantic Sunday night into Monday. Light ice accumulations expected so more of a travel threat rather than tree and power line damage ! Below are the latest forecast through the weekend into early next week showing the potential for the wintry weather. Freezing rain by early Monday in the I-81 corridor from southern PA to northern VA…Even Washington DC to Philadelphia will come into play Monday after some ice for cities like Cincinnati Sunday night. This system has been identified as an invest for naming.
Posted on: Sat, 10 Jan 2015 15:07:07 +0000
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