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Global asymmetries in the moisture origins of atmospheric river precipitation
Crespo-Otero A +5 more
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Sources of Uncertainty in Mid‐Tropospheric Tropical Humidity in Global Storm‐Resolving Simulations
Journal of Advances in Modeling Earth Systems, 2023 We conduct a series of eight 45-day experiments with a global storm-resolving model (GSRM) to test the sensitivity of relative humidity R in the tropics to changes in model resolution and parameterizations. These changes include changes in horizontal and
Theresa Lang +2 more
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Journal of Advances in Modeling Earth Systems, 2023 One important component of precipitating convection is the formation of convective downdrafts. They can terminate the initial updraft, affect the mean properties of the boundary layer, and cause strong winds at the surface.
Julia M Windmiller +2 more
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Reponse of precipitation to dynamics in global-storm resolving models
2023Most climate models show a precipitation increase with warming that is smaller than the increase in moisture, which requires a weakening of the convective mass flux and a slowing of the overturning circulation. In this study we use global-storm resolving models (DYAMOND models) to identify the systematic relationships between the precipitation, the ...
Lucile Ricard +3 more
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Journal of Geophysical Research: Atmospheres, 2022
Abstract We present the global characteristics of rotating convective updrafts in the 2021 version of GFDL's eXperimental System for High‐resolution prediction on Earth‐to‐Local Domains (X‐SHiELD), a kilometer‐scale global storm resolving model (GSRM). Rotation is quantified using 2–5 km Updraft Helicity (UH) in a
Lucas Harris +5 more
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Abstract We present the global characteristics of rotating convective updrafts in the 2021 version of GFDL's eXperimental System for High‐resolution prediction on Earth‐to‐Local Domains (X‐SHiELD), a kilometer‐scale global storm resolving model (GSRM). Rotation is quantified using 2–5 km Updraft Helicity (UH) in a
Lucas Harris +5 more
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Characteristics of African Sahel Precipitation in global storm-resolving Climate Models
2023The simulation of precipitation in the African Sahel region is challenging for current global climate models. These models conventionally work with grids with horizontal resolution larger than 100 km and therefore must use parametrization schemes to simulate deep convection.
Dorian Spät +2 more
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Intercomparison of global storm resolving (coupled) climate models
2020<p>The DYAMOND (DYnamics of the Atmospheric general circulation Modeled On Non-hydrostatic Domains) project is an intercomparison project for global storm resolving models with horizontal resolutions < 5km. In Phase 0, nine models participated in simulating a 40 day period from August 2016 on.
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Global-coupled storm-resolving model: A tool to better understand tropical precipitation
2023The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Segura Cajachagua, H. +3 more
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Stratocumulus variability in global storm-resolving models
Stratocumulus clouds are important for the Earth's planetary albedo and play a central role in determining Earth's sensitivity to forcing. Recent global-coupled simulations at kilometer-scale resolution in the atmosphere and the ocean, conducted in the framework of the H2020 nextGEMS project, offer opportunities to study cloud processes, their ...Ian D'Amato Dragaud +5 more
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