National Weather Service United States Department of Commerce

Overview

This powerful low pressure system set the stage for an unprecedented push of cold air and wintry weather in the southern plains before pivoting and lifting north into the OH Valley. As the low lifted northeast through western OH and IN, the warm air pushed into southwest PA and WV changing the snow over to freezing rain and eventually rain by Monday evening. This change over significantly cut down on the snowfall totals across the region but lead to numerous issues with accretion of ice on road surfaces and walk ways. Locations in central OH remain either snow or freezing rain through the entire event resulting hazardous travel and numerous power outages. In addition, some ice accretion in the higher terrain in Westmoreland and Fayette counties lead to some fallen trees and power outages as well.  Image
National Weather Service Pittsburgh, Moon Township, PA
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