Helene's combination of storm surge and rain flooded parts of Collier, including Naples, Marco Island, Goodland, East Naples and Everglades City. The storm left roads unsafe and impassable on Thursday and Friday, across the county, worsened by shifting tides.

A new development on Florida’s coast was designed to be as hurricane-proof as possible. So far, it’s working. Last Thursday, when Hurricane Helene hit the small town of Cortez, Florida—about four hours south of the eye of the storm—a storm surge filled the streets with waist-deep water near a new development.