Tropical storm Isaias weakened after making landfall Friday near Destin, Fla., but continued to carve a path of destruction through the Southeast on Saturday, leaving damaged roofs, downed power lines and flooded roads in its wake. By midday, nearly 700,000 customers were without electricity and officials linked at least four deaths to the storm, including two people killed when trees fell onto homes in Florida and Alabama.
Isaias had become the Atlantic season’s first hurricane before striking the Gulf Coast, an area of popular beaches, vacation homes and beachfront businesses. Overnight it lost hurricane strength and was classified as a post-tropical cyclone, yet forecasters warned the threat had not passed. High winds, flash flooding and the possibility of tornadoes remained concerns as the system moved inland across Alabama and into the Tennessee Valley.
Early Saturday the National Hurricane Center reported Isaias about 40 kilometres south-southwest of Montgomery, Ala., with sustained winds near 55 km/h. It was roughly 170 kilometres south of Birmingham and expected to shift into the Tennessee Valley through the weekend. Robbie Berg, a warning coordination meteorologist with the center, said that while tropical storm surge warnings had been discontinued, high wind warnings remained in effect and heavy rainfall could cause significant flash flooding over the following days.
Parts of the Florida Panhandle still faced the risk of dangerous storm surge, and forecasters predicted four to eight inches (10 to 20 centimetres) of rain across southern Alabama, the Panhandle and the Big Bend region over the weekend. Officials warned that flooding impacts could continue into the southern Appalachians.
The storm’s rapid intensification before reaching the Gulf Coast was fueled by unusually warm waters in the Gulf of Mexico. Scientists have noted significant warming in the region over recent decades, and have tied the current marine heatwave to human-driven climate change, which made such intensification more likely. Favorable atmospheric conditions — including weak upper-level winds that allowed the storm to organize — also contributed. However, increased upper-level wind shear just prior to landfall weakened Isaias back to a Category 2, disrupting its structure but spreading damaging winds across a broader area.
Damage reports came in from multiple communities. In Pensacola strong winds tore the roof off a hotel and left portions of the city with power outages; Mayor D.C. Reeves posted that the airport had sustained some damage and crews were clearing fallen trees and downed lines. Gas stations in East Milton and Destin were heavily damaged and a condominium in Panama City shed insulation across a parking lot. Southern Alabama saw flooding and more downed trees and power lines, prompting road closures in areas such as Houston County.
Residents described the storm’s ferocity and the anxiety of riding it out. Tim Mowry, sheltering in Pensacola, said winds whistled like a passing train through a cracked patio door. He lost power in the late afternoon but ran a generator and reported standing water in his yard and partial fence damage. Despite these impacts, Mowry considered his neighborhood relatively fortunate compared with harder-hit areas.
State officials in Florida said major roads were open and, as of Saturday morning, no search-and-rescue requests had been received. Governor Ron DeSantis cautioned residents to remain vigilant for delayed flooding, noting that hazardous conditions can persist or worsen a day or more after a storm passes.
Isaias represented the first U.S. hurricane landfall on the eastern seaboard since Hurricane Milton swept across Florida’s Gulf Coast in 2024. The storm’s behavior highlighted a familiar pattern for coastal systems: warm ocean temperatures provide energy for rapid strengthening, while changing upper-level winds can abruptly alter intensity and structure as storms approach shore.
While attention focused on cleanup and recovery across the Southeast, the Pacific basin was also active. Hurricane Simon intensified into a Category 4 storm approaching Mexico’s coast, and Tropical Storm Rachel threatened heavy rain and gusty conditions for northern Mexico and parts of Southern California over the weekend.
Local authorities urged residents to avoid flooded roads, steer clear of downed power lines and follow guidance from emergency services as crews worked to restore power and clear debris. With widespread outages and damaged infrastructure reported across several states, utility and public safety teams prepared for prolonged recovery operations in the days ahead.
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