“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.”

Tropical Storm Andrea spun to life this week as the first named storm of the 2025 Atlantic hurricane season, though the system quickly fizzled out. Satellite images captured its brief swirl over the open Atlantic.

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