Results 31 to 40 of about 123 (82)

Tropical TCV as a Process Diagnostic: Connecting Probability to Processes in km–Scale Models Via Moisture Budget Statistics

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Observations show a bimodal frequency distribution in total column vapor (TCV) over tropical oceans, with convective rainfall predominantly produced on the moist side of the frequency minimum between two modal peaks. Here we show a km–scale model of the tropics with explicit convection produces a bimodal TCV distribution, whereas the same ...
James Bassford   +3 more
wiley   +1 more source

Resolving Convection Doubles Sahel's Contribution to Global Dust Emission During the Monsoon Season

open access: yesGeophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Current climate models struggle to capture the mean state and variability of dust emissions. This is partially due to their inability to resolve convection, a consequence of their relatively coarse spatial resolution. Via analysis of output from an offline dust emission scheme forced with output from a global storm‐resolving model, we show ...
Tong Ying   +5 more
wiley   +1 more source

How Convective Mass Flux Responds to Environmental Humidity

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 2, February 2026.
Abstract Our goal in this study is to characterize the relationship between lower tropospheric environmental humidity and convective mass flux in the tropics. To do so, we have created gridded convective mass flux data sets from five global storm‐resolving models (GSRMs). We have three principal findings.
Seth D. Seidel   +2 more
wiley   +1 more source

Horizontal Grid Spacing Convergence of Aquaplanet Experiments Using a Global‐Storm Resolving Model

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 2, February 2026.
Abstract Aquaplanet experiments are used to investigate the statistical convergence of the Global Storm‐Resolving model (GSRM) ICOsahedral Nonhydrostatic (ICON) model, under successive, two‐fold horizontal grid spacing refinements from 160 to 1.25 km. A methodology based on the Richardson extrapolation method is used with the aquaplanet hemispherical ...
A. Peinado Bravo, D. Klocke, B. Stevens
wiley   +1 more source

A causal intercomparison framework unravels precipitation drivers in Global Storm-Resolving Models

open access: yesnpj Climate and Atmospheric Science
Correctly representing convective precipitation remains a long-standing problem in climate models, due to its highly parameterized nature and unclear role of drivers interacting over a wide range of spatial scales.
Lucile Ricard   +3 more
doaj   +1 more source

Ocean Eddies Lower the Global‐Mean, Maximum Intensity of Tropical Cyclones in a One‐Year Global, Coupled Simulation

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract We quantify the impact of ocean eddies on the global‐mean tropical‐cyclone intensity in a 1‐year simulation run with a coupled atmosphere‐ocean model with quite‐realistic seasonal climatology that resolves both Tropical cyclones (TCs) and ocean eddies.
Arjun Unnithan Kumar   +2 more
wiley   +1 more source

Multiscale Convective Circulations and Scale Interactions in a Global Storm‐Resolving Model

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 1, January 2026.
Abstract Understanding the relation between large‐scale (≳ $\gtrsim $100 km) tropical atmospheric motions and small‐scale convective circulations remains a challenge, despite such multiscale interactions playing a crucial role in the dynamics of large‐scale circulations.
Pedro Angulo‐Umana   +3 more
wiley   +1 more source

Evaluation of E3SM Simulated Aerosols and Aerosol‐Cloud Interactions Across GCM and Convection‐Permitting Scales

open access: yesJournal of Advances in Modeling Earth Systems, Volume 17, Issue 12, December 2025.
Abstract This paper introduces an Earth system modeling testbed for predicting aerosols and aerosol‐cloud interactions (ACIs) at convection‐permitting scales. Using the Energy Exascale Earth System Model (E3SM) version 2 with a four‐mode Modal Aerosol Module, we conduct simulations at 3.25 km resolution on a regionally refined mesh (RRM) across four ...
Meng Huang   +9 more
wiley   +1 more source

Mesoscale Convective Systems in DYAMOND Models: A Feature Tracking Intercomparison.

open access: yes
The DYAMOND project (Stevens et al. 2019) provides an intercomparison framework for state-of-the-art global convection-permitting models with km-scale horizontal grid spacing that can directly simulate convective storms. We recently assessed the fidelity of the convective storms simulated by DYAMOND models using a novel feature tracking technique (Feng
Zhe Feng   +13 more
openaire   +2 more sources

Ship‐Based Lidar Evaluation of Southern Ocean Low Clouds in the Storm‐Resolving General Circulation Model ICON and the ERA5 and MERRA‐2 Reanalyses

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 22, 28 November 2025.
Abstract Global storm resolving models (GSRMs) represent the next generation of global climate models. One of them is a 5‐km Icosahedral Nonhydrostatic Weather and Climate Model (ICON). Its high resolution means that parameterizations of convection and clouds, including subgrid‐scale clouds, are omitted, relying on explicit simulation but necessarily ...
Peter Kuma   +11 more
wiley   +1 more source

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