Why the ‘cold blob’ may collapse the weather system as we know it
A large expanse of the North Atlantic Ocean south of Greenland and Iceland has bucked global warming trends by cooling by nearly 1 degree Celsius since 1900. This persistent cold patch, known as a cold blob, is alarming scientists who warn that the potential collapse of the ocean current system could be catastrophic for the planet. While global oceans warm, this anomaly influences weather patterns over Europe, acting as an accomplice to heatwaves and threatening severe disruptions to global weather systems.
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- ✓ A large expanse of the North Atlantic Ocean south of Greenland and Iceland has bucked the global warming trend by cooling by nearly 1 degree Celsius since 1900.
- ✓ Scientists warn that the potential collapse of the ocean current system linked to the cold blob could be catastrophic for the planet.
What changed
Researchers have highlighted the growing threat that a persistent North Atlantic cooling anomaly poses to global weather patterns and major ocean current systems.
Live updates
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North Atlantic 'Cold Blob' Threatens Global Weather System Collapse
A large expanse of the North Atlantic Ocean south of Greenland and Iceland has bucked global warming trends by cooling by nearly 1 degree Celsius since 1900. This persistent cold patch, known as a cold blob, is alarming scientists who warn that the potential collapse of the ocean current system could be catastrophic for the planet. While global oceans warm, this anomaly influences weather patterns over Europe, acting as an accomplice to heatwaves and threatening severe disruptions to global weather systems.
Why it matters
The anomalous cooling of the North Atlantic is tied to the stability of major ocean circulation systems, raising concerns about severe long-term impacts on global climate stability. Scientists note that changes in these Atlantic currents can heavily alter weather patterns across continents. Attention is growing in Europe and beyond as researchers examine the links between regional ocean temperatures and extreme atmospheric conditions.
What is confirmed
- A large expanse of the North Atlantic Ocean south of Greenland and Iceland has bucked the global warming trend by cooling by nearly 1 degree Celsius since 1900.
- Scientists warn that the potential collapse of the ocean current system linked to the cold blob could be catastrophic for the planet.
Still unconfirmed
- Canadian winters threaten to freeze Europe.
- When the crucial AMOC ocean current stops, Antarctic deep water will overturn and release millennia of trapped carbon.
What to watch next
- Further observations of the North Atlantic cold blob temperature anomalies
- Updates on ocean current system stability models
confidence 90%Sources used for this update (20)
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- The Independent — Why the ‘cold blob’ may collapse the weather system as we know it
- The Telegraph — Canadian winters threaten to freeze Europe
- politico.eu — A climate nightmare lurks in the Atlantic. Europe is starting to pay attention.
- postandcourier.com — How Faroe Island scientists solved mysteries about ocean currents shaping South Carolina's future
- Science News Explores — Analyze This: Even as Earth’s oceans warm, one spot has gone cold
- Earth.com — When the crucial AMOC ocean current stops, Antarctic deep water will overturn and release millennia of trapped carbon
- www.the-independent.com — Why the ‘cold blob’ may collapse the weather system as we ...
- biologyinsights.com — AMOC Collapse: A Map of the Widespread Effects
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