Thunder and lightning accompany some of the heavier pulses embedded in the lake effect bands. Widespread convective snow showers are evident throughout the midwest and Ohio Valley as the atmosphere becomes increasingly unstable and late fall sunshine applies some heating to the surface. Nov. 10 - p.m. The strong Lake Erie bands shift southward into NE Ohio. Nov. 11 - a.m.
Snows continue, but the bands are less widespread.
The convective or Benard type cellular regime returns to the region. Some forecasters discuss if the Benard cells are interfering with the banded patterns over the lakes. The Tug Hill Plateau and Lake Ontario snowbelts start to receive heavy snowfall. Surface temperatures throughout the lakes are at or below freezing and 850 Mb temperatures continue to reduce to below -10C throughout the entire region. Nov. 11 - p.m.