A major new study released today details how the slowing of a massive Atlantic Ocean current system is set to trigger dramatic weather shifts thousands of miles away.
The Atlantic Meridional Overturning Circulation (AMOC) acts as a planetary conveyor belt, carrying warm tropical water northward, which helps regulate global climates. As that water cools and becomes denser, it sinks and flows southward along the ocean floor.
According to new research from the University of California, Riverside, the deceleration of this vital Atlantic current will have unexpected global consequences. While it is an Atlantic phenomenon, the slowdown is predicted to supercharge atmospheric rivers on the other side of the continent—fueling wetter, more destructive storms along the California coast. Conversely, it threatens to starve Greenland of the snow-producing storms it relies on to maintain its ice mass.
For a community deeply tied to the Atlantic and its weather patterns, it’s a stark reminder of how interconnected the world’s oceans truly are—a shift in the waters off the East Coast can cause flooding on the West Coast.
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