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The nation’s weather

January 20, 2015

Weather Underground midday recap for Tuesday, January 20, 2015

A low pressure system moved across the upper Midwest on Tuesday, while a ridge of high pressure persisted over the eastern Pacific.

An area of low pressure shifted east southeastward over the upper Midwest and the southern Great Lakes. This system brought morning snow showers to the northern Plains and parts of the upper Midwest on Tuesday. Grassy Butte, N.D., reported a midday total of 1.8 inches of snow. Bismarck, N.D., reported a midday total of 3.2 inches of snow. A cold frontal boundary associated with this system extended southwestward over the Tennessee Valley, the lower Mississippi Valley and the southern Plains. A mixture of rain and snow trailed this frontal boundary over the central Rockies and the central Plains. Rabbit Ears Pass, Colo., reported a midday total of 4.5 inches of snow.

Meanwhile, a separate cold front stretched across New England and the interior Mid-Atlantic. Winter weather advisories were issued in Pennsylvania and Maryland due to a mixture of rain and snow over the region. Evans City, Pa., reported a midday total of 1.5 inches of snow. Additionally, wind chill advisories were issued in northern Maine.

Winter storm watches were issued across New Mexico, southeast Colorado, northern Texas and western Oklahoma in anticipation of snow showers. A ridge of high pressure brought a calm weather pattern to the Pacific Northwest, the Great Basin and the remainder of the Southwest on Tuesday.

Temperatures in the Lower 48 states Tuesday have ranged from a morning low of -8 degrees at Pellston, Mich. to a midday high of 85 degrees at Hebbronville, Texas

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