We had just a pinch of warmth over the last couple of days across much of the country, and given a look at the calendar, one might be led to believe that we are on the cusp of spring, green grass and blooming flowers.
A cold front has swept through the Great Lakes tonight and is starting to move towards New England. A broad upper level trough is going to settle into the eastern 2/3 of North America, and perturbations moving along the jet trough will lead to a few fairly intense storm systems moving through the center of the country, all the while pulling more cold air south. A blocking pattern in the north Pacific will mean that this could go on for a while.
If you thought spring was here, winter disagrees