Snow moved in right on schedule, and we are now moving into the part of the event where the heaviest rates are expected.

Winds converging weakly in the mid-levels of the atmosphere will focus one or several narrow west-to-east-oriented heavy bands of snow generally near or just south of the Pittsburgh metro to I-70/I-68 corridors this evening through 11 p.m.

The steady, widespread snow will slowly taper from northwest to southeast between midnight through 4 a.m. Sunday with lingering flurries and snow showers. Lake-effect snow showers are expected to increase in coverage after sunrise and persist most of Sunday into Monday morning. Most of these will impact the I-80 to Route 422 corridors, but it is likely some of these bands—especially if we get a solid fetch off of Huron as well—will m

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