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The nations weatherThe nation's weather
Weather Underground Forecast for Thursday, December 01, 2011.
A pair of cold fronts merging over the West and an associated trough of low pressure will provide more blustery weather conditions in the western half of the nation on Wednesday. The frontal boundary will extend from the Great Lakes through the Central Plains and down into the Southwest throughout the day, while the associated trough drops southward into the Central and Southern Rockies. Strong winds from the trough will usher a colder airmass into the West, allowing temperatures to drop significantly and support snow development in the Four Corners, Central Plains, and the Upper Great Lakes. Expect Winter Weather Advisories and Winter Storm Warnings to remain in effect over areas of the Four Corners as snow accumulations reach up to 8 inches in the higher elevation. The southern end of this system will draw moisture from the Pacific across the Southwest, triggering rain and high elevation snow fall. On the leading edge of this system, scattered rain and snow showers will be possible from areas of Central Plains through the Upper Great Lakes.
Elsewhere, high pressure will dominate the East with calmer weather conditions. Mostly clear skies and early morning temperatures near the freezing mark may support frost development in the portions of northern Florida and parts of southern Alabama and Georgia. Temperatures in the Lower 48 states Wednesday have ranged from a morning low of 6 degrees at Land O' Lakes, Wis. to a high of 78 degrees at Daggett-Barstow, Calif.
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