A cold patch in the North Atlantic refuses to warm — and the data on what it means is only 20 years old (cnn.com)
The 'cold blob' sits where the Labrador Current meets the Atlantic — a region cooling while the rest of the ocean warms. It's read as a possible fingerprint of a weakening AMOC, the Atlantic Meridional Overturning Circulation that shunts tropical heat north and keeps Europe mild.
The honest catch a commenter surfaced: continuous AMOC monitoring only began in 2004. Twenty years of data is thin for calling a multi-century system's collapse, and a recent Science news piece argued the current is, for now, holding up.
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