The quasi-biennial oscillation (QBO) is a reliable pulse in the tropical stratosphere, a critical predictor of global weather. A new study shows that the QBO may collapse under sustained global warming, thereby disrupting our ability to predict global weather. 🌊🧪 ocean2climate.org/2026/03/04/t...

A high-resolution climate model study suggests that a northward shift in the Gulf Stream is the first sign of a potential AMOC collapse: 🌊🧪 ocean2climate.org/2026/03/03/s...

A new article shows why rising atmospheric CO2 is acidifying our blood and weakening our skeleton - the human (and animal) biological equivalent of "ocean acidification". 🌊🧪 ocean2climate.org/2026/03/01/c...

Have you noticed synchronized SST anomalies between the Pacific and Atlantic in global maps? It’s not a coincidence. According to a new study in Science Advances by Joh et al. (2026), this "oceanic handshake" is directly linked to the retreat of Arctic sea ice. 🌊🧪 ocean2climate.org/2026/03/01/t...

A GRL paper by Song et al.(2026) shows that cold bias in coupled models stalls Kuroshio engine for the powerful storms hitting the North American west coast: 🌊🧪 ocean2climate.org/2026/02/27/c...

A new GRL article by Klotzbach et al. (2026) explains why the late-season Caribbean hurricane frequency has doubled in the past 20 years. 🌊🧪 ocean2climate.org/2026/02/24/t...

A new study used a 5-10km spatial resolution climate model to explain why traditional climate models (e.g., CMIP6 models) fail to reproduce the observed cooling trend in the tropical Pacific. 🌊🧪 ocean2climate.org/2026/02/24/m...

A study suggests that the South Atlantic is the ideal location to monitor the future weakening of the AMOC. This is because the short-term natural variability in the North Atlantic is effectively filtered out in the South. 🌊🧪 ocean2climate.org/2026/02/21/w...

A new study proposes that La Nina-induced rainfall reduction in the western-central equatorial Pacific drives the 2nd-year La Nina. 🌊🧪 ocean2climate.org/2026/02/19/h...

A Washington Post reporter was onboard the F.G. Walton Smith with a team of oceanographers from NOAA's AOML and the University of Miami: "At about 4 a.m., oceanographer Denis Volkov, right, checks in on Jay Hooper, who helps the team with data management" 🌊🧪 www.washingtonpost.com/climate-envi...

This new article suggests that surface heat loss over the Barents Sea is the primary driver (or source) of dense water formation in the Arctic region and its contribution to the deep southward branch of the AMOC. 🌊🧪 ocean2climate.org/2026/02/12/t...

A new preprint article describes a 40-year hindcast archive of U.S. Atlantic and Gulf Storm Surge and Wave from Landfalling Hurricanes: 🌊🧪 ocean2climate.org/2026/02/10/a...

A new paper led by Sundararaman Gopalakrishnan, a senior scientist at NOAA's AOML, reports a fully-coupled regional forecast system for predicting severe weather and coastal hazards in South Asia: 🌊🧪 rmets.onlinelibrary.wiley.com/doi/10.1002/...

Nordic research council urges international cooperation to mitigate an AMOC failure: 🌊🧪 ocean2climate.org/2026/02/05/s...

Our new study led by Fabian Gomez shows that local winds shape the South Atlantic Bight (SAB) primary productivity and acidity: 🌊🧪 ocean2climate.org/2026/02/04/l...

A new study shows that the densest abyssal water flowing into the subpolar Atlantic actually originates in the eastern Arctic Eurasian basin, and it is absent in climate models: 🌊 ocean2climate.org/2026/01/29/s...

A new preprint article based on the 20-year record of SCOTIA observing array indicates that the subpolar AMOC is holding steady: 🌊🧪 ocean2climate.org/2026/01/19/a...

The AMOC is getting shallower—a process called "shoaling". Our new paper in Geophysical Research Letters explores why the depth of the overturning matters just as much as its strength for North Atlantic heat transport: 🌊🧪 ocean2climate.org/2026/01/14/a...

Labrador Sea, Irminger Sea, Iceland Basin, & Nordic Seas, the four primary engines of the AMOC: 🌊🧪 ocean2climate.org/2026/01/13/f...

The Nordic Seas release significantly more heat into the atmosphere than the subpolar and Labrador regions combined, and contribute 8.8 Sv of dense water to the AMOC's lower limb (roughly a half of the total): 🌊🧪 ocean2climate.org/2026/01/13/n...

A high-resolution ocean modeling study demonstrates that Labrador Sea buoyancy forcing remains a primary driver of AMOC's multidecadal variability: 🌊🧪 ocean2climate.org/2026/01/12/t...

A study shows that the North Atlantic subtropical gyre holds the key to how the ITCZ responds to AMOC slowdown: 🌊🧪 ocean2climate.org/2026/01/12/o...

Convection ≠ Overturning: Why Labrador Sea convection doesn’t drive the AMOC: A simple explanation 🌊🧪 ocean2climate.org/2026/01/10/w...

The North Atlantic is aging fast and losing its breath, new study finds: 🌊🧪 ocean2climate.org/2026/01/10/n...

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Surge of fresh water paradoxically strengthened the Labrador Sea Overturning Circulation, new study finds: 🌊🧪 ocean2climate.org/2026/01/06/s...

Thirty years of in situ observations indicate that a vital ocean current is losing its chill, transporting warmer water to the Arctic. 🌊🧪 ocean2climate.org/2026/01/05/a...

Tropical Atlantic warming is fueling Greenland's ice melt, new study finds: 🌊🧪 ocean2climate.org/2026/01/03/t...

I remember using this in class back in grad school. If you actually know what this is, you're probably as vintage as I am— or maybe vintegier! 😜🌊

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A new in-press article argues that a clear fingerprint of global warming has emerged in the equatorial Atlantic, while the equatorial Pacific remains cool: 🌊🧪 ocean2climate.org/2025/12/30/f...

By conducting water-hosing experiments with the EC-Earth3 model, this study investigated the impacts of AMOC weakening on South America's climate & weather. Results indicate cooling & wetting in the tropics, contrasted by warming & drying in the extratropics. 🌊🧪: ocean2climate.org/2025/12/28/h...

The atmospheric CO2 level has increased by 30% since the early 1970s. This blog post discusses the multifaceted impacts of rising CO2 levels on human health, and cognitive performance: 🌊🧪 ocean2climate.org/2025/12/24/i...

This study dives into the unusually weak extratropical NH response to the 2023–24 El Niño, one of the five strongest on record. It demonstrates that significant warming trend in the Atlantic & Indian Oceans acts as a critical factor in suppressing El Niño teleconnections. 🌊🧪 doi.org/10.1175/JCLI...

This study reports a weakening trend of the surface Florida Current from Key West to the Bahamas in both satellite altimetry & HYCOM since 1993, but no clear trend downstream to Jacksonville. A summary figure based on Figs. 1, 4 & 5 is attached: 🌊🧪 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Today, I got my copy of this classic textbook, "Circulation in the Coastal Ocean" by my mentor, the late Gabe Tibor Csanady.

AGU 2025 (New Orleans) presentations by NOAA's Atlantic Oceanographic and Meteorological Laboratory (AOML) scientists: 🌊🧪

The greenhouse effect is not the only mechanism by which human activity heats the planet. This study evaluates how our increasing energy demand may fuel future climate extremes in North America: 🌊🧪 ocean2climate.org/2025/12/14/m...

Insights on the combined impacts of storm intensity and sea level rise: A modeling study of 20 historical hurricanes under various future climate scenarios by Danso et al. (2025): 🌊🧪 ocean2climate.org/2025/12/13/w...

According to this 2018 paper, the AMOC disappears and the PMOC develops if the Earth rotates in the opposite direction: 🌊🧪 esd.copernicus.org/articles/9/1...

Weakening North Atlantic Deep Water formation and the associated shoaling of the mixed layer may trigger CO2 outgassing: 🌊🧪 ocean2climate.org/2025/12/11/a...

Great Atlantic Sargassum blooms are fueled by enhanced phosphate upwelling during the negative phase of the Atlantic Meridional Mode (AMM): 🌊🧪 ocean2climate.org/2025/12/08/s...

River alkalinity is critical for coastal carbon dynamics & marine ecosystems. According to a modeling study, it significantly reduces the air-to-sea CO2 flux in river-dominated coastal ocean, and therefore OA (i.e., ~70% less flux into the ocean): 🌊🧪 agupubs.onlinelibrary.wiley.com/doi/full/10....

The Atlantic's Weakening Pulse: How a Slowing Ocean Current Could Reshape Our Climate and Coasts 🌊🧪: ocean2climate.org/2025/12/05/n...

A new study reported a 15% underestimation of the global CO2 uptake (by the ocean) in previous estimates. This underestimation is particularly significant in the Southern Ocean. 🌊🧪

A Climate 'Tug-of-War' Has Paused the Atlantic Current's Slowdown 🌊🧪: ocean2climate.org/2025/12/03/t...

TWISO is a tropics-wide 45-day pulse and does not requires MJO 🌊🧪: ocean2climate.org/2025/12/01/t...

Optimal early warning signals for an AMOC collapse can be obtained from salinity data across SAMBA array (at 34S), as this region is strongly connected to the freshwater transport that controls the strength of the salt-advection feedback. 🌊🧪 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Google Scholar now offers a new feature, Scholar Labs, that uses AI to help you search for papers by asking complex research questions. The search will provide you with a list of papers and, for each one, a brief explanation of how it addresses your query. 🌊🧪 scholar.google.com/scholar_labs...

Oceanic mesoscale activity has shifted shoreward over the last three decades, with an important implication for coastal nutrients upwelling and primary productivity: 🌊🧪