Forecast: Storm could blanket Western Pa. with 4 inches of snow by Wednesday | TribLIVE.com
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Natasha Lindstrom

A storm expected to strike Tuesday night could blanket parts of Western Pennsylvania and neighboring states with more than 4 inches of snow by Wednesday, forecasters said.

Snow and ice accumulation could cause dangerous travel conditions from Oklahoma to the Northeast — including Pennsylvania, Ohio, West Virginia and Maryland — while several inches of heavy rain threaten to cause flooding in southern states, the National Weather Service said.

Between 7 p.m. Tuesday and 7 p.m. Wednesday, the city of Pittsburgh has a 29 percent chance of getting more than 4 inches of snow, compared to a 14 percent chance further north in Butler and a 17 percent chance in Kittanning, according to meteorologists with the National Weather Service in Moon.

“Snow will quickly change over to a wintry mix followed by rain in the late afternoon (Wednesday),” the NWS said.

The weather service gives Latrobe a 35 percent chance of recording more than 4 inches of snowfall.

In Uniontown, the chance of 4-plus inches of snow jumps to 39 percent, and in Canaan Valley, West Virginia, there’s a 60 percent chance, according to the NWS.

Meteorologists predict that portions of Central Pennsylvania could get as much as 7 inches of snow.

The NWS issued winter storm watches for several parts of the Northeast starting late Tuesday. A winter storm watch means “there is potential for significant snow, sleet or ice accumulations that may impact travel.”

In parts of northeast and southeastern West Virginia, such as Summersville and Webster Springs, the storm could dump up to 5 inches of snow and “travel could be nearly impossible” amid icy, hazardous conditions, the NWS said.

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