It was the first Atlantic hurricane of the season, and the first to hit the mainland United States in two years.

© Zack Wittman for The New York Times

ZooWorld in Panama City Beach, Fla. squeezed a group of 30 flamingos into a bathroom to shelter them from Hurricane Isaias, which hit the Gulf Coast.

After making landfall in the Florida Panhandle as a Category 2 hurricane, Isaias weakened considerably and headed north. Now, parts of the Southeast are at risk of flash floods.

© Zack Wittman for The New York Times

After making landfall in the Florida Panhandle as a Category 2 hurricane, Isaias weakened considerably and headed north. Now, parts of the Southeast are at risk of flash floods.

© Zack Wittman for The New York Times

Many people in the storm’s path escaped the worst, but 4 people were killed and there was plenty of damage.

© Zack Wittman for The New York Times