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Weather across the nation: 10/8/12

5:07 PM, Oct 8, 2012   |    comments
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Much of the East began the work-week with chilly temperatures on Monday morning as a cold dome of high pressure extending from Southern Plains through the Ohio Valley shifted northeastward into the Northeast and the upper Mid-Atlantic.

After a cool start this morning with temperatures ranging from near the freezing mark to the lower to mid-40s in most areas, daytime temperatures in the northeastern quadrant of the nation were slow to recover during the afternoon.

Daytime highs for the Northeast, upper Mid-Atlantic, the western Ohio Valley and the Great Lakes ranged from the mid-40s to the 50s and lower 60s. Meanwhile, cold flow associated with this system spread across the warmer waters of the Great Lakes and triggered lake-effect precipitation downwind of Lake Michigan, Lake Erie, and Lake Ontario through the early afternoon.

Elsewhere in the East, a cold front and wave of low pressure became nearly stationary across the southeastern corner of the nation and the eastern Gulf of Mexico, while a disturbance lifted from the Tennessee Valley int the Mid-Atlantic This translated into continued showers and thunderstorms from Florida northward through the Mid-Atlantic during the day.

Behind this activity, a storm system skirting along the U.S.-Canadian border dipped southeastward into the Dakotas and Minnesota this afternoon. Light rain showers accompanied this system across parts of North Dakota and northern Minnesota, while a mix of rain and high elevation snow developed in the Northern Rockies and Northern High Plains. A total of 2 to 4 inches of wet snow were anticipated in the mountains and about an inch or two were expected in the foothills..

MONDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................90 El Centro, Calif.

HIGHEST HEAT INDEX (DEGREES F)..........................102 Marathon, Fla.

LOWEST TEMPERATURE (DEGREES F)..........................12 Kremmling, Colo.

LOWEST WIND CHILL (DEGREES F)...........................6 Pinedale, Wyo.

HIGHEST WIND GUST (MPH).................................45 Monarch Pass, Colo.

HIGHEST PRECIPITATION (INCHES)..........................1.38 Rockingham, N.C.

ON THIS DATE....... On this date in 1871, the Great Chicago Fire started. Aided by a devastating drought that left much of the Midwest extremely dry, the fire spread rapidly through the city. The fire eventually destroyed 17,500 buildings and left 100,000 of the city's 334,000 residents homeless.

The Associated Press

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