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RISThe Spectral Ice Habit Prediction System (SHIPS). Part II: Simulation of Nucleation and Depositional Growth of Polycrystals
Publisher: American Meteorological Society
Abstract: This paper proposes a framework to predict polycrystals along with hexagonal monocrystals in a cloud-resolving model and discusses validity of the scheme and physical processes important for habit distribution by implementing ...
The Spectral Ice Habit Prediction System (SHIPS). Part III: Description of the Ice Particle Model and the Habit-Dependent Aggregation Model
Publisher: American Meteorological Society
Abstract: he purpose of this paper is to describe a numerical scheme of the Spectral Ice Habit Prediction System (SHIPS) that simulates the dependency of aggregation process explicitly on crystal habit and size in cloud-resolving ...
The Spectral Ice Habit Prediction System (SHIPS). Part IV: Box Model Simulations of the Habit-Dependent Aggregation Process
Publisher: American Meteorological Society
Abstract: he purpose of this paper is to assess the prediction of particle properties of aggregates and particle size distributions with the Spectral Ice Habit Prediction System (SHIPS) and to investigate the effects of crystal ...
Distributions-Oriented Verification of Ensemble Streamflow Predictions
Publisher: American Meteorological Society
Abstract: Ensemble streamflow prediction systems produce forecasts in the form of a conditional probability distribution for a continuous forecast variable. A distributions-oriented approach is presented for verification of these ...
Numerical Experiments to Analyze Cloud Microphysical Processes Depicted in Vertical Profiles of Radar Reflectivity of Warm Clouds
Publisher: American Meteorological Society
Abstract: nformation about microphysical processes in warm clouds embedded in satellite measurements must be untangled to be used to improve the parameterization in global models. In this paper, the relationship between vertical ...
A Numerical Study on the Attitudes and Aerodynamics of Freely Falling Hexagonal Ice Plates
Publisher: American Meteorological Society
Abstract: he fall attitudes and the flow fields of falling hexagonal ice plates are studied by numerically solving the transient incompressible Navier?Stokes equation for flow past ice plates and the body dynamics equations representing ...
Sampling Uncertainty and Confidence Intervals for the Brier Score and Brier Skill Score
Publisher: American Meteorological Society
Abstract: For probability forecasts, the Brier score and Brier skill score are commonly used verification measures of forecast accuracy and skill. Using sampling theory, analytical expressions are derived to estimate their sampling ...
Distributions-Oriented Verification of Probability Forecasts for Small Data Samples
Publisher: American Meteorological Society
Abstract: The distributions-oriented approach to forecast verification uses an estimate of the joint distribution of forecasts and observations to evaluate forecast quality. However, small verification data samples can produce ...
Evaluations of the Thermodynamic Phases of Clouds in a Cloud-System-Resolving Model Using CALIPSO and a Satellite Simulator over the Southern Ocean
Publisher: American Meteorological Society
Abstract: A new evaluation method for the thermodynamic phases of clouds in cloud-system-resolving models is presented using CALIPSO observations and a satellite simulator. This method determines the thermodynamic phases using the ...
Numerical Study of Motion and Stability of Falling Columnar Crystals
Publisher: American Meteorological Society
Abstract: nderstanding of the flow field and falling patterns of ice crystals is fundamental to cloud physics and radiative transfer, and yet the complex shape hampers a comprehensive understanding. In order to create better ...