On the other hand, think of all the fuel the helicopter would save if the roof was closed.
The BUZZ stated this morning that there is a No-Fly zone in effect during the game over MMP. My guess is if they decide to keep the roof open, it's to releive everone's ears as our stadium is the "loudest". I suppose the reporters in their boxes won't be able to hear themselves think when doing a live show. And should you show up poorly dressed, you can get a nice pullover for the low, low price of $100+.