The Great Plains after the bombs fell

What do think the environment is like in the Great Plains with all the desertification that has happened in the fallout universe? We've seen what simply over-plowing did to it. http://i.imgur.com/G4h1YyO.jpg So what do you think it's like there? Is it on par with the dust bowl? Is it worse than it? Dusty scrub-lands? Arid dune filled wasteland? Discuss.