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Historic El Niño Dulls Hurricane Isaias Power
10 Oct
Summary
- Hurricane Isaias made landfall as a Category 2 storm, weakening significantly.
- Over 800,000 customers lost power as the storm moved north.
- El Niño's strong wind shear tamed the hurricane's intensity.
Hurricane Isaias made landfall on Florida's Gulf Coast late on October 7, 2026, as a Category 2 storm with 105 mph winds. It subsequently weakened to a post-tropical cyclone as it advanced northward.
As of October 8, 2026, more than 800,000 customers were without electricity across Florida, Alabama, and Georgia. The storm caused two reported fatalities due to falling trees. Officials noted that the storm fortunately did not make landfall as a more severe Category 3 hurricane.
The hurricane season's first storm to hit the US mainland was significantly influenced by a historic El Niño event. This phenomenon generated unusually strong vertical wind shear over the Atlantic, which played a crucial role in weakening Isaias.
Despite its diminished strength, Isaias continued to present a significant flooding threat to the southeastern US. Forecasters warned of potential for considerable flash flooding and landslides, particularly in the Southern Appalachians and parts of North Carolina still recovering from previous storms.
