A surface low in northwest Pennslvania (PA) is producing and area of snow and rain in the eastern lakes. The cold front associated with the low is the leading edge of the unseasonably cold air which set-off the LES event that persisted through the next three days.

At 0400z on November 10 (i.e. late evening on the 9th of Nov), NE Ohio was receiving locally heavy snowfall as a result of the surface storm. At this hour snow was falling at the rate of 1-2"/hour in the higher elevations east and southeast of Cleveland, Ohio. Temperatures were hovering near freezing, as can be seen in the 32F isotherm highlighted below. Warmer air is being wrapped around the backside of the storm through the eastern lakes.