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RISStrengths and Weaknesses of MOS, Running-Mean Bias Removal, and Kalman Filter Techniques for Improving Model Forecasts over the Western United States
Publisher: American Meteorological Society
Abstract: Despite improvements in numerical weather prediction, model errors, particularly near the surface, are unavoidable due to imperfect model physics, initial conditions, and boundary conditions. Here, three techniques for ...
Evaluation of Surface Sensible Weather Forecasts by the WRF and the Eta Models over the Western United States
Publisher: American Meteorological Society
Abstract: An evaluation of the surface sensible weather forecasts using high-density observations provided by the MesoWest cooperative networks illustrates the performance characteristics of the Cooperative Institute for Regional ...
Sensitivity of a Cloud-Resolving Simulation of the Genesis of a Mesoscale Convective System to Horizontal Heterogeneities in Soil Moisture Initialization
Publisher: American Meteorological Society
Abstract: This study examines the sensitivity of varying the horizontal heterogeneities of the soil moisture initialization (SMI) in the cloud-resolving grid of a real-data simulation of a midlatitude mesoscale convective system ...
Radiative Effects on the Diffusional Growth of Ice Particles in Cirrus Clouds
Publisher: American Meteorological Society
Abstract: At Colorado State University the Regional Atmospheric Modeling System (RAMS) has been used to study the radiative effect on the diffusional growth of ice particles in cirrus clouds. Using soundings extracted from a mesoscale ...
Spurious Grid-Scale Precipitation in the North American Regional Reanalysis
Publisher: American Meteorological Society
Abstract: Spurious grid-scale precipitation (SGSP) occurs in many mesoscale numerical weather prediction models when the simulated atmosphere becomes convectively unstable and the convective parameterization fails to relieve the ...
Large-Eddy Simulations of the 26 November 1991 FIRE II Cirrus Case
Publisher: American Meteorological Society
Abstract: Large-eddy simulations (LESs) were performed to study the dynamical, microphysical, and radiative processes in the 26 November 1991 FIRE II cirrus event. The LES model inherits the framework of the RAMS version 3b, developed ...
A Method to Assess the Wind and Solar Resource and to Quantify Interannual Variability over the United States under Current and Projected Future Climate
Publisher: American Meteorological Society
Abstract: he National Center for Atmospheric Research and the National Renewable Energy Laboratory (NREL) collaborated to develop a method to assess the interannual variability of wind and solar power over the contiguous United ...
Regional Soil Moisture Biases and Their Influence on WRF Model Temperature Forecasts over the Intermountain West
Publisher: American Meteorological Society
Abstract: perational Weather Research and Forecasting (WRF) Model forecasts run over Dugway Proving Ground (DPG) in northwest Utah, produced by the U.S. Army Test and Evaluation Command Four-Dimensional Weather System (4DWX), ...