Hurricane Katrina

Louisiana Governor John Bel Edwards places a state flag onto the casket during a Celebration of Life Interfaith Service for former Louisiana Gov. Kathleen Babineaux Blanco, at St. Joseph Cathedral in Baton Rouge, La., Thursday, Aug. 22, 2019. Thursday was the first of three days of public events to honor Blanco, the state's first female governor who died after a years long struggle with cancer.(AP Photo/Michael Democker, Pool)

FILE- In this Sept. 5, 2005 file photo. President Bush, right, accompanied by Louisiana Gov. Kathleen Blanco, arrives in Baton Rouge, La., for a briefing at the state Office of Emergency Preparedness, following the devastation caused by Hurricane Katrina. Shown with the president are, from right, Army Lt. Gen. Russel Honore, Homeland Security Secretary Michael Chertoff, and Maj. Gen. Bennett Landreneau, head of the Louisiana National Guard. Blanco, who became Louisiana's first female elected governor only to see her political career derailed by the devastation of Hurricane Katrina, died Sunday, Aug. 18, 2019. She was 76. (Patrick Dennis/The Advocate via AP, Pool, File)

Karon Hill, left, and Celeste Cruz battle the wind and rain from Hurricane Barry as it nears landfall Saturday, July 13, 2019, in New Orleans. (AP Photo/David J. Phillip)

The Mississippi River is at 16 feet, which is just below flood stage, 17 feet, in New Orleans, Thursday, July 11, 2019 ahead of Tropical Storm Barry from the Gulf of Mexico. The river levees protect to about 20 feet, which the river may reach if predicted storm surge prevents the river from flowing into the Gulf of Mexico. (AP Photo/Matthew Hinton)

Alan and Dot Richardson, from England, wear ponchos as they walk along Bourbon Street in the French Quarter Friday, July 12, 2019, in New Orleans, ahead of Tropical Storm Barry. The National Weather Service in New Orleans says water is already starting to cover some low lying roads as Tropical Storm Barry approaches the state from the Gulf of Mexico. (AP Photo/David J. Phillip)

People walk past Brennan's restaurant in the French Quarter with sandbags on the front door as bands of rain from Tropical Storm Barry from the Gulf of Mexico move into New Orleans, La., Friday, July 12, 2019. (AP Photo/Matthew Hinton)

The Mississippi River approaches a levee at left in New Orleans, La., Thursday, July 11, 2019, ahead of Tropical Storm Barry. Never in the modern history of New Orleans has water from the Mississippi River overtopped the city’s levees. (AP Photo/Matthew Hinton)

St. Bernard Parish Sheriff's Office inmate workers move free sandbags for residents in Chalmette, La., Thursday, July 11, 2019. The Mississippi Emergency Management Agency is telling people in the southern part of the state to be prepared for heavy rain from Tropical Storm Barry as it pushes northward through the Gulf of Mexico. (AP Photo/Matthew Hinton)