A wave of at least six tornadoes that local meteorologists called “historic” swept across eastern Nebraska on Friday, flattening a business, flipping a train and destroying dozens of suburban homes near Omaha.

It is not just Oklahomans heading to disaster areas. Some come from across the country to help during life's worst moments.

Powerful storms roared across parts of southern Oklahoma Tuesday night and produced dangerous and unusual tornadoes, including one incredibly rare type.