“When the east Pacific is abnormally active, upper-level winds from the storms’ exhaust increases the wind shear over the neighboring western Atlantic,” he said. “It also induces subsidence, which suppresses cloud development in the same areas.”

The first named storm of the 2025 season forms in the Atlantic Ocean. Tropical Storm Andrea provides insight on 2025 hurricane season outlook.

Andrea, the first named tropical storm of the 2025 Atlantic hurricane season, dissipated Tuesday night just hours after forming in the middle of the Atlantic Ocean earlier that morning, according to the National Hurricane Center.