Updated: 01/16/2009 - BIRMINGHAM, Ala. (AP) -- Miserable, lung-burning, face-numbing temperatures are one thing in the Midwest and Northeast. But the Deep South? Temperatures plummeted Friday across the Midwest and eastern U.S., and delivered a stinging slap to Southerners unaccustomed to the frigid weather. Schools were closed in a dozen states and homeless shelters were overcrowded. Those that did venture outside bundled up and made quick trips.