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By Kenneth Richard on 16. October 2025
Alarmists claim that, due to anthropogenic climate change (AGW), the Atlantic Meridional Overturning Circulation (AMOC) is weakening to the point that it’s on the verge of collapsing. It’s claimed this will lead to abrupt cooling and extreme weather in the North Atlantic region. But the author of a new study points out that changes in […]
Posted in Alarmism, Natural Oceanic Oscillations |
By P Gosselin on 10. August 2024
AMOC Uncertainties By Frank Bosse at Klimanachrichten A “collapse” of the AMOC (Atlantic overturning circulation) cannot be “calculated” at all. We have reported on several projections of the AMOC here, most recently here and here. There is now an interesting twist to the once very “celebrated” study (DD23 below), which predicted a collapse of the […]
Posted in Misc., Oceans |
By P Gosselin on 5. June 2024
The ice sheet and the Atlantic overturning circulation (AMOC): No Alarm AMOC. Source: Woods Hole By Frank Bosse We hear it over and again: the melting ice in Greenland due to warming will soon lead to a collapse of the AMOC, making it difficult for it to “restart”. The salt content in the north is […]
Posted in Alarmism, Oceans |
By P Gosselin on 27. October 2023
By Fritz Vahrenholt und Frank Bosse A look back at an article about the imminent “tipping point” of the Atlantic overturning circulation: At the end of July 2023 we had reported on an essay that thought to have identified the “tipping point” of the Atlantic overturning circulation (AMOC): Supposedly (most likely) it will be already […]
Posted in Oceans |
By P Gosselin on 27. February 2021
A recent study appearing in Nature, “Current Atlantic Meridional Overturning Circulation weakest in last millennium“, authored by Caesar et al, hints at a global climate system on the verge of tipping out of control. According to their findings, the weakening of the so-called Atlantic Meridional Overturning Current (AMOC) in the 20th century is “unprecedented”, and […]
Posted in Oceans |
By P Gosselin on 12. May 2019
Gulfstream “barely impacted” by Arctic ice melt By Die kalte Sonne (German text translated/edited by P Gosselin) Arctic ice melt barely impacting AMOC. Day After Tomorrow scenario remains fantasy, new study suggests. Figure: R. Curry, http://editors.eol.org/eoearth/wiki/File:OCP07_Fig-6.jpg; CC BY 3.0 Stefan Rahmstorf never tires of claiming the Gulf Stream system (AMOC, Atlantic Meridional Overturning Circulation) is […]
Posted in Arctic, Oceans |
By P Gosselin on 25. March 2015
Michael Mann’s and Stefan Rahmstorf’s recent AMOC paper has been promptly and widely discredited since it came out, see here WUWT, WUWT, and NTZ. The sharp criticism has since picked up. Veteran meteorologist Joe Bastardi for example blasted the paper in a comment at WUWT, calling the claims “nonsense” and reminded that renowned climatology expert […]
Posted in Arctic, Hockey Team, Models, Oceans |
By P Gosselin on 24. March 2015
The Potsdam Institute for Climate Impact Research has been loudly trumpeting its latest paper on Atlantic ocean overturning circulation today, claiming there’s been an “exceptional twentieth-century slowdown“. The authors, who include Stefan Rahmstorf and Michael E. Mann, even suggest that the “possible cause of the weakening is climate change“. Some sites, like Climate Central here, have […]
Posted in Cooling/Temperature, Glaciers, Misc., Oceans |
By Kenneth Richard on 3. March 2026
Climate changes fostered by “unforced natural climate variability” may be more than an order of magnitude larger than the climate changes commonly attributed to anthropogenic forcing. In a new study, scientists have attempted to identify the mechanisms explaining Greenland’s many historical (~80,000-11,700 years ago) climate changes that amounted to 10-15°C “in a decade or two.” […]
Posted in Natural Oceanic Oscillations, Natural Variability, Oceans, Paleo-climatology |
By P Gosselin on 2. January 2026
Winter across Europe has been on the mild side so far – just as predicted by global warming alarmists. But now the weather is about to turn cold. A cold winter spell is beginning to settle over Europe and there’s a risk the public here might start having doubts about the global warming narrative – […]
Posted in Activism, Arctic |
By P Gosselin on 21. November 2025
The idea that global warming could paradoxically shut down the Gulf Stream, plunging Europe into a new cold spell—a scenario popularized by the film The Day After Tomorrow—is a powerful narrative. However, the latest episode of Klimaschau (Issue 237) challenges these alarmist predictions, scrutinizing the scientific evidence and the methods behind the claims. The segment […]
Posted in Models, Oceans |
By P Gosselin on 25. June 2025
A recent paper explains how a weaker Atlantic Meridional Overturning Circulation (AMOC) could actually reduce Arctic warming by the end of the century… …despite the overall trend of Arctic amplification (“the disproportionate warming of the Arctic compared to the global average.”) Symbol image. Source: NASA The study shows that a weakening AMOC can partially counteract […]
Posted in Arctic |
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