I often talk about how large Arctic temperature amplification we are experiencing risks a near term Blue-Ocean Event, and further slowing of the jet streams. Increased waviness of the jet streams increases the frequency, severity, and duration of extreme weather events, plus they are happening in regions they never happened before.

But….

If the AMOC slows faster, and exceeds a threshold causing an AMOC shutdown (actually rewiring to lower latitudes) the Arctic will quickly cool and the jet streams will quickly strengthen and Europe goes into a deep freeze. No Blue Ocean event for a long time. It’s like the climate system is a finely tuned Swiss watch, and we hit it with a sledge hammer. Everything changes and the system is highly nonlinear so strange things happen.

Where we end up all depends on which part of the climate system breaks first. And it is breaking.

In this video, I chat about a recent paper that divides the North Atlantic Ocean into 5 different sections (boxes) and examines temperature, salinity, density, and ocean currents over 5 to 6 decades within each section, and within the overall North Atlantic Ocean.

By examining these so-called ocean fingerprints, the hope is that we can see how quickly changes are occurring, and how long it might take before the AMOC fails, and what I call “the mother of all tipping points” is triggered.

Exciting times…

Links

Study Documents Slowing of Atlantic Ocean Currents
https://phys.org/news/2024-03-documen...

Earth NullSchool
https://earth.nullschool.net/

Maryland Today
https://today.umd.edu/study-documents...

World Ocean Database
https://www.ncei.noaa.gov/products/wo...

World Ocean Atlas
https://www.ncei.noaa.gov/products/wo...

https://www.ncei.noaa.gov/access/worl...

Main Peer-reviewed paper
Revisiting the multidecadal variability of North Atlantic Ocean circulation and climate
https://www.frontiersin.org/articles/...

Warning of a forthcoming collapse of the Atlantic meridional overturning circulation
https://www.nature.com/articles/s4146...

The Weakened Atlantic Meridional Overturning Circulation Diminishes Recent Arctic Sea Ice Loss
https://agupubs.onlinelibrary.wiley.c....

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