Friday, December 27, 2013

National Weather Forecast for December 28,2013 from weatherunderground.com

Weather Underground Forecast for Saturday,December 28,2013

A cold frontal boundary will extend from the upper Intermountain West to the northern Plains, while a separate cold front will stretch from the upper Midwest to the central Great Lakes.

An arctic air mass will begin to dip southward over the northern tier of the country on Saturday, as below normal temperatures will sweep across the northern Plains and upper Midwest. Snow associated with a low pressure system is also expected to push through north central U.S., while the heaviest snow will occur along the western portion of the Great Lakes. Just north of New England, a separate low pressure system will usher light snow showers across upstate New York and northern New England.

In the Southeast, a surge of moisture is expected to push northeastward from the Gulf of Mexico on Saturday. This system is expected to move copious amounts of rain over the central and eastern Gulf Coast, as well as a handful of states across the Southeast. Flooding will be possible along the Florida Panhandle, Mississippi, Georgia and the Carolinas due to how slow the system will be moving.

Out West, an onshore flow from the Pacific will bring a chance of rain to the northern portion of the Pacific Northwest. Snowy weather will be possible across the Cascades and northern Rockies as well. A ridge of high pressure will keep the Southwest clear of precipitation, while warm weather will persist across the region.

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