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Winter Not Over: Snow, Rain in East This Weekend

By Expert Senior Meteorologist Alex Sosnowski
March 13, 2013; 5:55 AM ET

Just as portions of the Midwest will deal with rounds of snow and rain into the weekend, so will areas in the East. Depending on the time of day they hit, there could be slippery travel.

One round of showers of snow, rain and wintry mix will affect upstate New York and northern Pennsylvania for a time on Friday. A more general area of snow, rain and wintry mix will occur later Friday night into Saturday centered over the mid-Atlantic. A large cross-country storm will affect the entire region during the first part of next week.

The wintry mix showers Friday will not amount to much.

The next disturbance on deck will affect the eastern Great Lakes and central Appalachians region Friday night and then part of the mid-Atlantic coast Saturday. The latest indications are that this system will lean more to the south as it heads in from the Midwest.

Snow accumulation is possible near and north of I-80. A few slushy areas are possible as far south as the Pennsylvania Turnpike from west of Harrisburg to Pittsburgh, Pa. But, but by the time the precipitation reaches the I-95 corridor Saturday will it will be too warm for accumulating snow.

There could be locally strong, gusty thunderstorms on the southern edge of the storm in portions of West Virginia, Virginia and North Carolina.

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Snows during the night time or first thing in the morning will be the most troublesome. Your local AccuWeather.com forecast will have the details on the timing and nature of each of the precipitation events.

A larger storm will take aim at the region during the middle of next week.

These storms will each spread swaths of snow on different tracks, which will make for some rather challenging forecasts.

Areas near and just north of the storm track will have snow or a wintry mix with surprisingly low daytime temperatures for the middle of March. Areas to the south of the storm track will have rain or spotty showers. However, where the sun breaks out just south of the storm track, temperatures can surge to amazingly warm levels (60s or higher). A matter of 100 miles south to north could mean a temperature difference of more than 40 degrees.

While these are not likely to bring much, if any, accumulation of snow to the coastal areas, this time of year it is a matter of timing of snow when it comes to accumulating on roads and sidewalks, whether at the coast, in the mountains or the interior valleys. The strengthening sun, even when not visible, plays a major role.

While the same March rules apply to that storm in terms of time of day snow and snow versus rain, there are concerns for rising seas along part of the coast and a chance of rising rivers on a sub-regional basis.

This story was published at 1:00 p.m. Wed., Mar. 13 2013 and has been updated at noon Fri., Mar. 15.

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