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    Snowstorm to Affect Kentucky, Tennessee

    By By Matt Alto, Meteorologist
    February 21, 2012, 1:17:18 AM EST

    A powerful storm system with the potential to bring the most significant snowfall of the winter to the Virginias this weekend will also target parts of the Tennessee and Ohio valleys this weekend.

    As the storm system emerges from northern Mexico early Saturday, it will reorganize along the northwestern Gulf Coast Saturday before tracking through the Deep South Saturday night.

    With moisture surging northward ahead of the area of low pressure Saturday, widespread steady rain will spread across southern portions of the middle Mississippi Valley Saturday afternoon to reach cities such as Nashville and Memphis by the afternoon hours.

    The rain will continue to spread over a large portion of Kentucky Saturday evening.

    As the low tracks farther east, colder air will ooze southward across the area.

    Saturday evening, rain and snow will fall across northern Arkansas, southern Missouri and extreme southern Illinois. The precipitation will change to snow before ending Sunday morning with accumulations mainly on grassy surfaces.


    400x266_02172100_snowmap

    A larger version of this map is available on AccuWeather.com's Winter Weather Center.

    Farther east, the rain should mix with then change to snow in western Tennessee and Kentucky from northwest to southeast late Saturday night and Sunday. A moderate snowfall is likely across northeastern Tennessee and southeastern Kentucky.

    Motorists who plan to travel through these regions may experience some hazardous travel Saturday night and Sunday morning and should use caution, especially on wet and snow-covered surfaces. However, widespread travel problems are not expected at this time.

    Most of the accumulating snow will be bounded by the I-40 and I-64 corridors. Some accumulating snow will brush a few of the southern counties in Ohio.

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