Gulf Stream moisture fluxes impact atmospheric blocks throughout the Northern Hemisphere

JP Mathews, A Czaja, F Vitart… - Geophysical Research …, 2024 - Wiley Online Library
In this study, we explore the impact of oceanic moisture fluxes on atmospheric blocks using
the ECMWF IFS. Artificially suppressing surface latent heat flux over the Gulf Stream (GS) …

Assessment of the Dynamical Linkages and Flow Evolution Governing Multiple Extreme Weather Events over Western North America in February 2019

TC Leicht, LF Bosart - Monthly Weather Review, 2024 - journals.ametsoc.org
We present an extended case study analysis based on observed extreme weather events
(EWEs) and the planetary-and synoptic-scale variability of a persistent flow regime spanning …

From sea to sky: understanding the sea surface temperature impact on an atmospheric blocking event using sensitivity experiments with the ICOsahedral …

S Christ, M Wenta, CM Grams… - Weather and Climate …, 2025 - wcd.copernicus.org
Blocked weather regimes are an important phenomenon in the Euro-Atlantic region and are
frequently linked to extreme weather events. Despite their importance for surface weather …

Indication for biases in dry intrusions and the marine boundary layer over the Azores in ECMWF short‐term forecasts and analyses

A Schäfler, K Krüger, A Oertel… - Geophysical …, 2024 - Wiley Online Library
The model representation of dry intrusions (DIs) and the marine boundary layer (MBL) is
analyzed in the European Centre for Medium‐Range Weather Forecasts (ECMWF) …

Oceanic maintenance of atmospheric blocking in wintertime in the North Atlantic

J Mathews, A Czaja - Climate Dynamics, 2024 - Springer
The connection between atmospheric blocking over the North Atlantic and the diabatic
influence of the Gulf Stream is investigated using potential vorticity and moist potential …

On the role of moist and dry processes for atmospheric blocking biases in the Euro-Atlantic region in CMIP6

E Dolores-Tesillos, O Martius, J Quinting - EGUsphere, 2024 - egusphere.copernicus.org
Synoptic-and large-scale features such as extratropical cyclones, Rossby wave packets, and
atmospheric blocking modulate the mid-latitude weather and climate. However, several …

From Sea to Sky: Understanding the sea surface temperature impact on an atmospheric blocking event using sensitivity experiments with the ICOsahedral …

S Christ, M Wenta, CM Grams, A Oertel - EGUsphere, 2024 - egusphere.copernicus.org
Blocked weather regimes are an important phenomenon in the Euro-Atlantic region and are
frequently linked to extreme weather events. Despite their importance for surface weather …