Check out the "visible" (not using inftra-red camera) satellite picture to the right.
You can see that Nashville was in the middle of a "strip" of white ground, that stretched from southwest to northeast. However, it did not extended very far south or northwest.
There was 1/2 to 1 inch of snow in that area.
Southeast of Murfreesboro, 1/4 inch ice accumulations were reported.
The second graphic shows the National Weather Service's new Ice Impact image that is there to predict the impact on electrical utility systems to assist in their decision support services.