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@rahmstorf.bsky.socialOct 15, 2026, 3:15 PM

A study by Ben-Yami et al. looks for tell-tale signs of approaching an #AMOC tipping point in historic runs of climate models vs. observed SST patterns. They find "a loss of stability in the real-world AMOC" but not in models, so AMOC in models may be too stable.

journals.plos.org/climate/arti...

journals.plos.orgNo critical slowing down in the Atlantic Overturning Circulation in historical CMIP6 simulationsThe Atlantic Meridional Overturning Circulation (AMOC) is a key component of the Earth’s climate system, and has been suggested to have multiple stable states. Critical slowing down (CSD) can detect s...
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@rahmstorf.bsky.socialOct 15, 2026, 3:15 PM

The 2nd by Bell et al. from UK Met Office does a similar analysis using atmospheric reanalysis, deriving #AMOC changes from an energy balance and the heat flux though the ocean surface. They find about 14% AMOC weakening over the past 3 decades.

www.researchsquare.com/article/rs-1...

researchsquare.comEvidence the ocean is losing less heat in the northern Atlantic and the AMOC has started to slowly weakenThe Atlantic Meridional Overturning Circulation (AMOC) is widely expected to weaken this century, with potentially large impacts on Europe, but the strength and timing of weakening is still uncertain....
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@rahmstorf.bsky.socialOct 15, 2026, 3:15 PM

Here's 3 surprising new preprints on the Atlantic ocean circulation #AMOC. 🌊
The first by Winkelbauer et al. analyses 17 different ocean reanalysis products and finds the AMOC has weakened about 15% over the last 3 decades.
egusphere.copernicus.org/preprints/20...

egusphere.copernicus.orgAtlantic Meridional Heat Transports from Ocean Reanalyses, Monitored Sections and Heat Budget ConstraintsAbstract. Meridional ocean heat transport (MHT) plays a central role in the climate system by redistributing energy across latitudes and influencing global and regional climate variability. While sust...
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@topnewsde.bsky.socialOct 15, 2026, 12:21 PM

#AMOC #Europa #RealHomeOfTheFree 🇪🇺 #Forschung #Studie
🌐 www.newsmart.ch

@mediafaro.bluesky.mediafaro.orgOct 15, 2026, 10:59 AM

We can rescue the AMOC after its collapse – but it won’t be easy.

A collapse in the Atlantic Meridional Overturning Circulation (AMOC) would be catastrophic, bringing “ice age” winters to Europe, raising sea levels in North America and…

#AMOC #Atlantic #ClimateChange #Europe #Oceans #Sea #Science

@countdown2ext.bsky.socialOct 15, 2026, 2:34 AM

We can rescue the AMOC after its collapse – but it won’t be easy #Science #EarthSciences #Climatology #climatechange #amoc #greenlandice #atlanticcirculation #climateaction

https://countdowntoextinction.org/read?id=236197675349835776

@bmlto.wsocial.euOct 14, 2026, 2:09 PM

🌊 This is what they found out about the #AMOC so far.

Can: AMOC is weakening from melting ice, altering 🇨🇦 🇺🇸 coastal water levels and 🇬🇧 🇳🇴 🇪🇺 weather.

Cannot: Predict exact timing or triggers for a full collapse.

Confidence: Medium confidence of no complete collapse this century, but high risk.

@wolfkamp.bsky.socialOct 14, 2026, 11:29 AM

Sollte der #AMOC seine Dienste einstellen und damit aufhören, Europa mit Wärme zu versorgen, könnte es in London im Jahresdurchschnitt um 10°C kälter werden. #Golfstrom
Skandinavien würde unbewohnbar werden. Dort kühlt es um 20 bis 28°C ab. Die Ostsee wäre zugefroren.
www.youtube.com/embed/39t1Ih...

Temperaturänderungen in Europa, wenn der Golfstrom versiegt.
@waynerad.bsky.socialOct 14, 2026, 1:39 AM

Everything we know about AMOC collapse. The warm current on the surface of the Atlantic warms the air, and the wind in this part of the world goes from west to east, so the wind carries the warmth to Europe.

www.youtube.com/watch?v=39t1...

#climate #climatechange #amoc

@heyfriend-1.bsky.socialOct 13, 2026, 2:36 PM

#AMOC

@eos.orgOct 13, 2026, 1:16 PM

Cross-hemispheric circulation can persist in the Atlantic for centuries even as a major component of the #AMOC fails, a new study shows, offering new insight into the global ocean response to warming. 🧪🌊

eos.org/research-spo...

@niggi.bsky.socialOct 13, 2026, 12:59 PM

Kollabiert die Meeresströmung #AMOC? Dieses Erklärvideo ist fantastisch und auch jenseits des konkreten Themas vorbildlich: Es vereinfacht genug, dass man es als Laie verstehen kann, ohne Unsicherheiten + Widersprüche wegzulassen. Samt Korrekturen in der Beschreibung! www.youtube.com/watch?v=39t1...

youtube.comEverything We Know About AMOC Collapse — And the Threat to North America's CoastYouTube video by Critical Latitude
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@rahmstorf.wsocial.euOct 13, 2026, 8:45 AM

A great video explainer by Critical Latitude about the weakening Atlantic Ocean overturning circulation and the risk of it passing a tipping point.
#AMOC🌊
www.youtube.com/watch?v=39t1...

@rahmstorf.bsky.socialOct 13, 2026, 8:44 AM

A great video explainer by Critical Latitude about the weakening Atlantic Ocean overturning circulation and the risk of it passing a tipping point.
#AMOC🌊
www.youtube.com/watch?v=39t1...

youtube.comEverything We Know About AMOC Collapse — And the Threat to North America's CoastYouTube video by Critical Latitude
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@nonviolence.bsky.socialOct 11, 2026, 5:51 PM

Study 28 Sep 2026: Uneven attention to climate tipping points
www.pnas.org/doi/10.1073/...

"Attention was concentrated on the Greenland Ice Sheet and #AMOC, while Boreal Permafrost (abrupt thaw) and the North Atlantic Subpolar Gyre received comparatively limited attention"

@drtomharris.bsky.socialOct 11, 2026, 8:38 AM

The Engine in the Shadow explains how the Subpolar Gyre works, its tipping behaviour and the facts that it couple tip by 2040 with impacts only taking a decade to reach full effect. It’s linkage to the #AMOC is also key.
drtomharris.substack.com/p/the-engine...

@drtomharris.bsky.socialOct 11, 2026, 8:38 AM

The two under-represented systems are the North Atlantic Subpolar Gyre and Abrupt Permafrost thaw. Fortunately I’ve covered both recently in Climate Uncovered articles.
#tippingpoint #subpolargyre #SPG #AMOC #permafrost

@gongudottir.wsocial.euOct 9, 2026, 6:04 PM

The #AMOC is a circulation of ocean currents that shapes the climate of the Northern Hemisphere. #Iceland will be greatly affected by the changes.

Hildigunnur Thorsteinsson, Director General of the Icelandic Meteorological Office, attended a seminar today ...

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"On a scale never seen before" The Director of the Icelandic Meteorological Office says that disruption of the Atlantic overturning circulation due to climate change could have serious consequences for weather patterns around the world, although there is still uncertainty about the development. She emphasizes the need to reduce greenhouse gas emissions, keep climate issues in the discussion and encourages people to examine their diet, although a vegetarian diet is not necessarily the solution. Hildigunnur Thorsteinsson, Director General of the Icelandic Meteorological Office, will participate in a seminar on the Atlantic Ocean Overturning Circulation (AMOC) at the Arctic Circle, at 4 pm in Harpa today. She discussed the topic with mbl.is. She tells scientists it's clear how to issue clear yellow or red weather warnings, but it can be more complicated to communicate warnings about climate change on this scale with this uncertainty, like the issue of the tipping cycle, in human terms so that the public and decision-makers accept the information and work with it, "so that we create a better Earth for all of us and our descendants in particular." "What we need to turn around" The AMOC is a cycle of ocean currents that gives us the climate we know here in the Northern Hemisphere. The Gulf Stream is part of this cycle. When talking about climate change, it can be assumed that most people know that the Earth is warming and that it is having a variety of effects, but one of the biggest effects that people are feeling right now is that weather is not as predictable as it used to be. "We set up our entire life, our entire society on Earth, and have evolved over millennia as humans with predictable weather patterns, because the Earth's cycle was in balance. But in recent years we have thrown it out of balance by releasing greenhouse gases in large quantities and on a scale that has never been seen before. 1/3This is what will disrupt all of our lives and this is what we need to turn around," says Hildigunnur. The ocean circulation is one element that has been thrown into imbalance due to melting ice, ocean acidification, warming, and changes in precipitation. When the circulation is thrown out of balance in this way, the climate in the Northern Hemisphere and elsewhere in the world changes, with potentially drastic consequences. There is still a lot of uncertainty about exactly when or if, and how, this will happen. But what has changed in recent years is that it has become more likely that we will see these drastic consequences. While this is still considered unlikely, the consequences are so great that it is necessary to take mitigating measures. "And that's where we stand with AMOC," says Hildigunnur. "That's the solution" When asked what can be done, she says that the first thing to do is to reduce emissions. "That is the solution," she reiterates. Then we need to continue to take the Paris Agreement seriously and work with its goals, and conduct more research to better understand the problem. It is also important to keep climate change in the discussion, but Hildigunn's assessment, based on recent research, is that the majority of people are still very concerned about climate change but feel like they are in the minority because the seriousness of the public debate has diminished. "We need to somehow lift up this silent majority, because there's not much being said about it, so that it comes back into the spotlight a little bit," she says. "Maybe it's not enough to understand. You have to somehow connect with things in order to do something about them." "We always need to move forward" When asked what ordinary people can do on a daily basis, Hildigunnur says diet is a good place to start. "I'm not saying everyone should go vegan. But just looking at the latest dietary recommendations, more fiber, less red meat, more vegetables," she says. 2/3"If we can do that and at the same time work to change how we produce this, and do it as sustainably as we can, it would have a huge impact on the Earth's tolerance levels and where we are heading with the planet. It's a real win-win, we both become healthier, we feel better and the planet feels better." "Then the other thing is, don't think we're in the minority. Don't think others aren't concerned about this. Let's keep encouraging. There's only so much we as individuals can do, but governments are always leading the way in this and we always need to keep going and keep this in the discussion. What can we do as a country, as a city, as a people? Wherever we are." 3/3
@pik-potsdam.bsky.socialOct 9, 2026, 10:38 AM

🆕 A PIK study finds that the loss of resilience observed in real-world North Atlantic sea-surface temperatures does not occur easily in historical climate-model simulations – pointing to the Atlantic Meridional Overturning Circulation #AMOC as a plausible driver.

➡️ journals.plos.org/climate/arti...

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@sheilaheymans.bsky.socialOct 9, 2026, 10:35 AM

The climate is changing so we need a roling list of measures.
And we do not have a good handle on how the #AMOC will change and how fast. And how this will change Europe!

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