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A storm that brought rare snow to Southern California and the Southwest at midweek will continue to spread a swath of snow, ice, rain and travel problems from Chicago to Boston through Sunday.
The storm will continue on a northeastward track away from the Great Lakes Sunday. Despite the northward track and seemingly warm conditions forecast, the storm will cause a large swath of wintry trouble.
According to AccuWeather.com Chief Meteorologist Elliot Abrams, "There will be disruptive snow and ice north of the storm track."
Heavy snow, substantial ice and drenching rain will be associated with the storm, despite its fast movement. While travel problems will generally be limited to a day or so, areas that receive a heavy amount of ice or wet snow could have lengthy power outages and dangerous travel.
Freezing rain caused several accidents and road closures Saturday morning around Pittsburgh, Pennsylvania and Morgantown, West Virginia.
An icy glaze left parts of Interstate 79 closed around the Pittsburgh area. Meanwhile, parts of Interstate 80 across central Pennsylvania were faced with speed restrictions due to hazardous conditions.
After depositing a swath of snow and ice over parts of the central and southern Plains to close out the week and blanketing parts of the Midwest with snow on Saturday, more snow will fall across the Great Lakes before the storm takes off away from the area.
A swath of slippery travel will stretch across the general area around Chicago and Detroit. Snow showers will taper off through the day on Sunday across Wisconsin, Illinois, and Indiana but a lake-effect component will kick in across Michigan. This is where the heaviest snowfall accumulations will be centered as the storm departs.
People traveling in or through these locations should anticipate slippery roads, flight delays and possible flight cancellations.
Warm air won the battle in most areas south and east of the storm track with the major form of precipitation being rain with some snow or wintry mix limited to the onset of the storm. Most of the storm has been rain in the Ohio Valley, including the cities of Cincinnati, Pittsburgh and Louisville, Kentucky. However, colder air will begin to filter in late on Sunday which could produce a few snowflakes.
Gusty winds, lake-effect snow and snow showers may cause sporadic travel delays in the wake of the storm later Sunday. During Sunday, plunging temperatures in the Ohio Valley states and southeastern Michigan could cause some roads that were previously wet to become icy.
After snow, sleet and freezing rain spread over much of the region on Saturday, warmer air has lifted into the region, allowing for much of the precipitation to change over to a chilly rain.
However, some snowy and icy conditions will still fall over northern New England through Sunday afternoon where the cold air holds longer. This can lead to dangerous travel conditions in central and northern New England.
From part of upstate New York to northern New England, enough ice buildup can occur to weigh down trees and cause power outages.
According to AccuWeather.com Senior Meteorologist Bernie Rayno, "Northern New England has the potential for a significant snow and ice event with multiple hours of slippery travel on the front side of the storm prior to any warmup."
The storm will end from west to east on Sunday.
Similar to the Midwest, gusty winds may cause some flight delays Sunday into Monday with lake-effect snow and snow showers from the central Appalachians to the lower Great Lakes.
Rain, locally gusty winds and low cloud ceilings will continue to bring the threat for flight delays and problems for motorists in a large part of the Southeast through Sunday.
After severe storms rumbled across Louisiana and Mississippi Saturday, localized strong storms are possible across parts of the region.
The greatest threat will span the Carolinas to northern Florida through the evening. Gusty winds, heavy rain, and isolated tornadoes are possible.
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