A local resident clears snow from his driveway after an overnight snowfall left many schools and businesses closed for the day, Thursday, Dec. 20, 2012, in Urbandale, Iowa. (AP Photo/Ch

 

              A local resident clears snow from his driveway after an overnight snowfall left many schools and businesses closed for the day, Thursday, Dec. 20, 2012, in Urbandale, Iowa. (AP Photo/Ch
A local resident clears snow from his driveway after an overnight snowfall left many schools and businesses closed for the day, Thursday, Dec. 20, 2012, in Urbandale, Iowa. (AP Photo/Charlie Neibergall)
Tags: schools