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National Weather at 240pm January 13 2005


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Stormy Eastern Seaboard

2:40 P.M. ET 1/13/2005


M. Ressler, Meteorologist, The Weather Channel




The cold front and .5-to-1.5-inch rains will sweep across the Northeast and Mid-Atlantic overnight and Friday, pushing completely offshore before the start of the weekend. The rain may end as snow from central Pennsylvania to Maine. Temperatures from average to 20 degrees above average on Friday (30s along the Canadian border to 60s in southeast Virginia) will lower to between average and 10 degrees below average by Sunday (teens along the Canadian border to 40s in Virginia). The only precipitation this weekend will be some lake effect snow showers downwind of Erie and Ontario.



Rain and thunderstorms will linger from the Carolinas to Florida on Friday as the front slowly pushes off the Southeast Coast and edges southward down the Florida Peninsula. Temperatures will still be 5 to 10 degrees above average in the Southeast. The remainder of the South will be dry with high temperatures near average. Over the weekend, the region will be relatively rain and snow free. A few showers could linger along the Southeast Coast and Florida Saturday and Sunday as the front stalls over the Gulf Stream and weak disturbances ride northeastward along it. By Monday, a weak system from out of the Southwest could bring a few showers to south Texas. High temperatures will be 5 degrees either side of average region-wide over the weekend as the coldest air stays to the north.



The Midwest will be quiet but cold Friday and over the weekend. Temperatures will be 5 to 26 degrees below average, ranging from the minus teens along the Canadian border to the 40s and then 30s along the southern portions of Missouri and Kentucky. Lake effect snow will be heaviest across western Upper Michigan due to persistent westerly winds. Light snow will spread out across the central Plains and mid-Mississippi Valley on Sunday. Preceded by a modest warm up, a new arctic front will sweep southeastward from North Dakota and northern Minnesota early Tuesday through the Ohio Valley by early Thursday with another round of mainly light snow.



The West has finally calmed down. The bitter arctic air over Montana and parts of Wyoming will moderate slowly by Sunday. Temperatures that will be between 10 and 35 degrees below average on Friday (-10s northeast Montana to 20s southern Wyoming) will be only between 10 and 20 degrees below average by Sunday (-0s northeast Montana to 30s southwest Wyoming). Temperatures will be increasingly above average over the Southwest this weekend. On Saturday and Sunday, rain and mountain snow will sweep northward from northern California to western Washington as offshore storm just brushes the West Coast. Snow showers will spread through the Northwest. In the coming week, two other storms may sideswipe the Pacific Northwest, but no massive direct-hit rain/snow storms are expected.

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