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Future Northeastward Shift of Extratropical Transition of Tropical Cyclones Over the North Atlantic in Downscaling Projections

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Tropical cyclones (TCs) often undergo extratropical transition (ET) at the midlatitudes, becoming post‐tropical cyclones (PTCs). We combine a logistic regression PTC identification model with synthetic TC tracks and intensities from the Columbia HAZard model (CHAZ) to project future ET completion over the North Atlantic (NA).
Dian‐Yi Li +6 more
wiley +1 more source

Impacts of Sea Surface Temperature Warming Pattern Biases on Tropical Cyclone Activity and Hazard

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Most climate models simulate greater warming in the equatorial eastern Pacific than in the west under historical forcing, resulting in a reduced zonal sea surface temperature (SST) gradient and a weakened Walker circulation. This contrasts with observed trends and highlights a persistent model–observation discrepancy with far‐reaching impacts ...
Jing‐Yi Zhuo +4 more
wiley +1 more source

Quantifying Deep Ocean Methane Along the Central Chilean Margin

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Cold seeps are dynamic seafloor environments that provide conduits for methane (CH4) to be transferred from marine sediments to the global ocean and, in shallow settings, the atmosphere. These seeps are ubiquitous along continental margins yet their spatial extent and impact on the marine carbon cycle are poorly constrained.
Scott T. Wieman +10 more
wiley +1 more source

Iceland-Faroe overflow revealed by in-situ observations. [PDF]