Polar Vertex

An arctic blast eased its grip on much of the eastern US on Wednesday, with winds calming and the weather warming slightly a day after temperature records - some more than a century old - shattered.

Just how cold is it in Kentucky? Apparently cold enough for an escaped prisoner to decide to turn himself in.

An arctic blast eased its grip on much of the eastern US on Wednesday, with winds calming and the weather warming slightly a day after temperature records - some more than a century old - shattered.

Just how cold is it in Kentucky? Apparently cold enough for an escaped prisoner to decide to turn himself in.