Results 1 to 10 of about 28,038 (329)

Sensitivity of mesoscale model urban boundary layer meteorology to the scale of urban representation [PDF]

open access: goldAtmospheric Chemistry and Physics, 2011
Mesoscale modeling of the urban boundary layer requires careful parameterization of the surface due to its heterogeneous morphology. Model estimated meteorological quantities, including the surface energy budget and canopy layer variables, will respond ...
D. D. Flagg, P. A. Taylor
doaj   +3 more sources

Intercomparison of mesoscale meteorological models for precipitation forecasting [PDF]

open access: goldHydrology and Earth System Sciences, 2003
Abstract. In the framework of the RAPHAEL EU project, a series of past heavy precipitation events has been simulated with different meteorological models. Rainfall hindcasts and forecasts have been produced by four models in use at various meteorological services or research centres of Italy, Canada, France and Switzerland.
A. Buzzi   +6 more
openaire   +7 more sources

Comparison of Soil Hydraulic Parameterizations for Mesoscale Meteorological Models

open access: hybridJournal of Applied Meteorology, 2005
AbstractSoil water contents, calculated with seven soil hydraulic parameterizations, that is, soil hydraulic functions together with the corresponding parameter sets, are compared with observational data. The parameterizations include the Campbell/Clapp–Hornberger parameterization that is often used by meteorologists and the van Genuchten/Rawls ...
Braun, F. J., Schädler, G.
openaire   +4 more sources

Mesoscale Verification Using Meteorological Composites

open access: hybridMonthly Weather Review, 2004
Abstract Mesoscale models are often used to explicitly predict discrete, highly structured phenomena. Information regarding the ability of the model to predict events as coherent entities is thus a useful statement of performance. Observational constraints are a significant problem, though, as the shape, size, and intensity of any given event are often
Jason E. Nachamkin
openaire   +3 more sources

Quality Assurance Procedures for Mesoscale Meteorological Data

open access: hybridJournal of Atmospheric and Oceanic Technology, 2010
Abstract Mesoscale meteorological data present their own challenges and advantages during the quality assurance (QA) process because of their variability in both space and time. To ensure data quality, it is important to perform quality control at many different stages (e.g., sensor calibrations, automated tests, and manual assessment ...
Cynthia R. Morgan   +4 more
openaire   +3 more sources

Data assimilation for the Model for Prediction Across Scales – Atmosphere with the Joint Effort for Data assimilation Integration (JEDI-MPAS 2.0.0-beta): ensemble of 3D ensemble-variational (En-3DEnVar) assimilations [PDF]

open access: yesGeoscientific Model Development, 2023
An ensemble of 3D ensemble-variational (En-3DEnVar) data assimilations is demonstrated with the Joint Effort for Data assimilation Integration (JEDI) with the Model for Prediction Across Scales – Atmosphere (MPAS-A) (i.e., JEDI-MPAS).
J. J. Guerrette   +27 more
doaj   +1 more source

Microphysical processes producing high ice water contents (HIWCs) in tropical convective clouds during the HAIC-HIWC field campaign: evaluation of simulations using bulk microphysical schemes [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
Regions with high ice water content (HIWC), composed of mainly small ice crystals, frequently occur over convective clouds in the tropics. Such regions can have median mass diameters (MMDs) <300 µm and equivalent radar reflectivities <20 dBZ.
Y. Huang   +16 more
doaj   +1 more source

Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
The increase in the spectral width of an initially monodisperse population of cloud droplets in homogeneous isotropic turbulence is investigated by applying a finite-difference fluid flow model combined with either Eulerian bin microphysics or a ...
W. W. Grabowski, L. Thomas, L. Thomas
doaj   +1 more source

Dust radiative effects on atmospheric thermodynamics and tropical cyclogenesis over the Atlantic Ocean using WRF-Chem coupled with an AOD data assimilation system [PDF]

open access: yesAtmospheric Chemistry and Physics, 2017
This study investigated the dust radiative effects on atmospheric thermodynamics and tropical cyclogenesis over the Atlantic Ocean using the Weather Research and Forecasting Model with Chemistry (WRF-Chem) coupled with an aerosol data assimilation (DA)
D. Chen   +4 more
doaj   +1 more source

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