Why is it so warm in the North Atlantic?

Sea surface temperature (SST) anomalies in the North Atlantic Main Development Region (MDR) have been increasing since April due mainly to a weakening and southward displacement of the Azores-Bermuda ridge.

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Root cause: anthropogenic climate change.


The North Atlantic Ridge has regained its normal strength in recent days which has resulted in stronger trade winds and a significant cooling trend in the Atlantic Main Development Region from highs reached during the 2nd week of June.