The superstorm is coming to Seattle, and the impact is sure to be wide-ranging.

In the Grey's Anatomy Season 9 finale, Grey Sloan Memorial Hospital enters crisis mode as resources become scarce, patients flood in by the busload and the panic level becomes palpable.

In the first clip from the episode released by ABC, we see tensions rise as evacuations are halted and Arizona tries to keep people from freaking out ... while looking a little freaked herself.

Alex, meanwhile, asks for backup in the NICU given the shortages of staff. Given the events of last week, Arizona clearly has more on her mind than just keeping tiny human makers calm.

Check out the scene from "Perfect Storm" and share your comments below:

In another clip from the episode, we see our very favorite (and very nervous) tiny human maker, Meredith Grey, having major contractions, with Cristina and Derek both by her side:

Finally, we see that when the network teased in its official synopsis that "patients flood in by the busload," they meant it literally. The surgeons are about to have their hands very full ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.