National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Overview

A storm moved across the Ohio Valley on the 27th and spread a wintry mix of precipitation into Pennsylvania late on the 27th. The precipitation stayed almost all snow in Northern PA, but turned to a sloppy mix of sleet and freezing rain in the rest of the region. Many areas were covered with light to moderate snow by sunrise on the 28th, only to see a layer of ice form on top of that snow. The storm slowed travel and delayed activities as the precipitation lingered into the late afternoon on the 28th. Winds picked up behind the storm, with many places getting wind gusts above 40 mph in the evening on the 28th.

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Surface Map from the morning of 28 of January
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