CENTRO SPOILER

A natural disaster is heading straight for Grey Sloan Memorial Hospital on ABC's Grey's Anatomy.

After several cryptic tweets from showrunner Shonda Rhimes, sources close to the ABC medical drama tell The Hollywood Reporter that the season nine finale will feature a superstorm.

The natural disaster will begin in the penultimate episode of the season -- titled "Readiness Is All" -- set for May 9, with the storm hitting full force in the May 16 finale, fittingly titled "Perfect Storm." The superstorm will affect the recently renamed hospital and cause its staff to go into crisis mode in an hour that is being described as very intense with a lot of "major" things changing for the characters in the final two episodes of the season.

Read more at Hollywood Reporter