Meryl Streep will narrate the New Orleans documentary, Hurricane on the Bayou.

The doc is from MacGillivray Freeman and was shot in the midst of Hurricane Katrina and its aftermath. Variety notes production began in early 2005 on the pic, originally conceived as a cautionary tale about Louisiana's wetlands and the consequences of a hypothetical hurricane hitting New Orleans. When Katrina hit four months after production wrapped, the filmmakers revamped the story.

Hurricane on the Bayou will open at New Orleans' Entergy Imax Theater on August 29th, to coincide with the anniversary of Hurricane Katrina, and on September 8th at the California Science Center Imax in Los Angeles. It will move into Imax locations worldwide on December 22nd.