Monday, October 8, 2012

Brrrrr....Here comes the cold!

Chilly Temperatures Extend Across Much of the East

A cold dome of high pressure extends from Southern Plains through the Ohio Valley
  • Breaking Weather: Dull, Damp and Dreary



    Much of the East will begin the workweek with chilly temperatures on Monday morning, as a cold dome of high pressure extending from Southern Plains through the Ohio Valley shifts northeastward into the Northeast and the Mid-Atlantic. Many areas from the Southern Plains into the inner Northeast will remain under various Freeze Watches and Frost Advisories through the early morning as temperatures remain near freezing. After a chilly start to the day, daytime temperatures in the Northeast, Mid-Atlantic, and parts of the Midwest will struggle to recover during the afternoon. Daytime highs are expected to range from the mid-40s in the northernmost parts of the Upper Midwest and Northeast to 60s throughout much of the northeastern quadrant of the nation. Meanwhile, cold flow associated with this system will spread across the warmer waters of the Great Lakes and trigger lake-effect precipitation downwind of the lakes.

    Elsewhere in the East, a cold front and wave of low pressure will become nearly stationary across the southeastern corner of the nation. Showers and thunderstorms will develop from the Florida Peninsula northward through the Mid-Atlantic during the day and along the Northeast coast by Tuesday.

    Behind this activity, a storm system skirting along the U.S.-Canadian border will drop southeastward toward the Upper Great Lakes by Monday night. Light rain showers will accompany this system across parts of North Dakota, northern Minnesota and Wisconsin, and Michigan's Upper Peninsula. High pressure filling in behind this system will help kick up possible snow showers in the Northern Rockies.

    Temperatures in the Lower 48 states Sunday have ranged from a morning low of 6 degrees at Laramie, Wyo., to a high of 93 degrees at El Centro, Calif.

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