zoidberg
Well-known member
....Let's talk about the weather!
Not quite the global warming we all are being led to expect.

The Atlantic Meridional Overturning Circulation, and the Gulf Stream*, are on the verge of collapsing, climate scientists warn
*That thing that assists or impedes [but, almost always affects] sailing, in Atlantic waters.
In an open letter [1], 44 of the world's leading climate scientists say that key Atlantic Ocean currents - including the Gulf Stream - are on the brink of failure. The scientists caution that the collapse of the Atlantic Meridional Overturning Circulation (AMOC) could lead to 'devastating and irreversible impacts' which will affect 'the entire world for centuries to come'.
Should the AMOC collapse, the effects would be widespread, devastating, and extremely long-lasting.
Scientists believe that the last time AMOC completely collapsed was during the end of the last Ice Age, around 12,000 years ago, when temperatures, in western Europe, plummeted by up to 10°C (18°F); and it took about 1,000 years to recover, though the past is not a direct analogue, because there is also massive CO2 forcing this time [CO2 is already higher than any time in 15m years].
The collapse would lead to major cooling, and 'unprecedented extreme weather', especially in Nordic countries. This would enlarge and deepen the 'cold blob', of anomalously cold waters, which has already developed, over the eastern North Atlantic, due to the slowdown of heat-carrying currents. This would be particularly bad news for the UK, which is kept warm by currents of warm water, carried by AMOC, northwards from the Gulf of Mexico.
However, not every scientist is in agreement that AMOC will collapse within this century.[2] Since AMOC was first measured in 2004, scientists have expressed concerns that the current system could be weakening. Yet a number of leading experts argue that these conclusions are far from being definitively established. The main issue is that researchers have had to make some basic assumptions, about how AMOC works, in order to predict how it might change, over time.
Is the AMOC definitely changing? Direct instrumental measurements of the strength of the AMOC only began in 2004, when the RAPID [3] array was installed across the Atlantic. After nearly 20 years of continuous measurements, the data show a 10-per-cent decrease in its strength, but because the observations show such a lot of change from year to year, we can’t be sure that this is a meaningful, long-term decline.
[1] “Open Letter by Climate Scientists to the Nordic Council of Ministers” [October 2024]
➥ https://en.vedur.is/media/ads_in_hea...tter_Final.pdf
[2] “Future of the Gulf Stream circulation” ~ by the German Marine Research Consortium [KDM]
➥ https://www.deutsches-klima-konsorti...SAAEgI-tfD_BwE
Not quite the global warming we all are being led to expect.