The Brief Hurricane Gabrielle has rapidly intensified into a powerful Category 4 storm. Hurricane Gabrielle strengthened into a powerful Category 4 storm Monday evening as it churned past Bermuda, forecasters said. The backstory:Gabrielle strengthened into a Category 1 hurricane on Sunday, becoming the second hurricane of the 2025 Atlantic hurricane season. 2025 Atlantic hurricane seasonBig picture view:The peak of the 2025 Atlantic hurricane season was on Sept. 10, but the most active months are typically August, September and October. SIGN-UP FOR FOX 35'S BREAKING NEWS, DAILY NEWS NEWSLETTERSThe Atlantic hurricane season runs from June through Nov. 30.