If you were wondering why the snow kept falling...and falling... and falling Tuesday in Minnesota, there's an actual scientific reason that explains what happened.
If you ever needed proof about how different the weather can be during spring in Minnesota, just check out what's happened during the first days of May.
Duluth got blasted by the latest snow storm, but that didn't stop one nurse from relieving her co-workers, many of whom had been working 16 hours straight!