Weather contrasts: Tropical Storm Karen and Winter Storm Atlas

Surfers watch from the beach as waves generated by Tropical Storm Karen roll to the shore Friday in Pensacola Beach, Fla. Steve Nesius / Reuters
Brenda Nolting rolls her cart through heavy slush and snow after stocking up on necessities Friday at a supermarket in Rapid City, S.D. Winter Storm Atlas dumped up to three and a half feet of wet, heavy snow on parts of South Dakota. Steve McEnroe / AP
<ul> <li> <a href="" target="_blank">Powerful storm hits northern Rockies and Plains with winds, heavy snow</a> </li> <li> <a href="" target="_blank">Tropical Storm Karen Struggles in the Gulf of Mexico</a> </li> </ul>