Hurricane Erin a Category 4
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NOAA and Air Force Hurricane Hunter aircraft found that Erin is in the middle of an eyewall replacement cycle (ERC). While it is in the stage of an eyewall replacement cycle, Erin has lost a bit of its punch and has been downgraded to a category 3.
The Atlantic basin includes the northern Atlantic Ocean, Caribbean Sea and Gulf of America, as the Gulf of Mexico is now known in the U.S. per an order from President Trump. NOAA and the National Hurricane Center are now using Gulf of America on its maps and in its advisories.
Erin has become the first hurricane of the 2025 Atlantic hurricane season. The quick-moving storm expected to become a strong Category 4 storm, with maximum sustained winds of 140 mph within the next 72 hours, according to the latest advisory from the National Hurricane Center.