In Clearwater, one of the hardest-hit regions, water levels surged to a record 8.6 feet, eclipsing the previous high of 6.8 feet. Similarly, in East Bay, levels peaked at 7.3 feet, surpassing the old record of 6.7 feet.

When a major hurricane hits, it is often the storm surge — the sea or gulf water driven ashore by winds — that poses the greatest threat to people’s lives and livelihoods. The storm surge that will accompany Hurricane Helene is expected to peak on Thursday night.

Hurricane Helene, a massive, destructive Category 4 hurricane causing catastrophic storm surge, made landfall about 11:10 p.m. Thursday in Florida’s Big Bend, the National Hurricane Center