Mysterious 'cold blob' in the Atlantic is a sign of the Gulf Stream weakening — and that's bad news for the US East Coast

livescience - The Atlantic's enigmatic "cold blob" has once again been linked to a weakening of key ocean currents and a devastating climate tipping point.

AI Summary: Oceanographers report an unusually cold, persistent patch in the North Atlantic — a "cold blob" — that points to a slowing Atlantic circulation system. The anomaly could alter regional weather, marine ecosystems and oceanic heat transport, and scientists warn it may be an early, visible sign of larger-scale shifts in ocean dynamics. Not the beach weekend anyone wanted.