This leads to quicker changes in weather patterns and increasingly strong storm systems. As autumn moves on, these storm systems bring with them progressively colder air, eventually changing the rain over snow, generally starting in October in the northern part of the state and November in the south.
Changes in weather patterns accelerate and more severe storm systems develop as autumn progresses. Storms carry increasingly cold air, eventually altering rainfall into snow, generally beginning in October in northern areas and November in southern regions.