Weather Underground Forecast for Sunday,January 11,2015
An onshore flow will persist across the Gulf Coast on Sunday, while several disturbances will develop across the western states.
An arctic air mass will move over the western Atlantic on Sunday. Temperatures will remain 20 to 30 degrees below normal across the eastern third of the country. Conditions will struggle to rise above the single digits across the Ohio Valley, the upper Midwest and the Northeast. Lake effect snow showers will begin to diminish downwind of Lake Ontario and Lake Erie.
Meanwhile, an onshore flow from the Gulf of Mexico will initiate widespread precipitation across the western and central Gulf Coast, the lower and middle Mississippi Valley, the Tennessee Valley, the Ohio Valley and the interior Mid-Atlantic. As warm, muggy air overruns a cold, arctic air mass, freezing rain will impact a handful of states. States that could experience ice storms include Arkansas, Missouri, Illinois, Indiana, Ohio, southern Pennsylvania, Maryland, West Virginia and Virginia. Rain and thunderstorms are also expected to develop over eastern Texas, Louisiana, southern Arkansas and Mississippi.
To the west, several waves of low pressure will bring scattered showers to the Southwest and the Pacific Northwest. High elevation snow showers will be possible over the Rockies, the Wasatch, the Cascades and the Sierra Nevada on Sunday.
An arctic air mass will move over the western Atlantic on Sunday. Temperatures will remain 20 to 30 degrees below normal across the eastern third of the country. Conditions will struggle to rise above the single digits across the Ohio Valley, the upper Midwest and the Northeast. Lake effect snow showers will begin to diminish downwind of Lake Ontario and Lake Erie.
Meanwhile, an onshore flow from the Gulf of Mexico will initiate widespread precipitation across the western and central Gulf Coast, the lower and middle Mississippi Valley, the Tennessee Valley, the Ohio Valley and the interior Mid-Atlantic. As warm, muggy air overruns a cold, arctic air mass, freezing rain will impact a handful of states. States that could experience ice storms include Arkansas, Missouri, Illinois, Indiana, Ohio, southern Pennsylvania, Maryland, West Virginia and Virginia. Rain and thunderstorms are also expected to develop over eastern Texas, Louisiana, southern Arkansas and Mississippi.
To the west, several waves of low pressure will bring scattered showers to the Southwest and the Pacific Northwest. High elevation snow showers will be possible over the Rockies, the Wasatch, the Cascades and the Sierra Nevada on Sunday.
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