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RISA Stochastic Perturbed Parameterization Tendency Scheme for Diffusion (SPPTD) and Its Application to an Idealized Supercell Simulation
Publisher: American Meteorological Society
Abstract: iffusion plays an important role in supercell simulations. A stochastically perturbed parameterization tendency scheme for diffusion (SPPTD) is developed to incorporate diffusive uncertainties in ensemble forecasts. This ...
The Impact of a Stochastically Perturbing Microphysics Scheme on an Idealized Supercell Storm
Publisher: American Meteorological Society
Abstract: AbstractThe concept of stochastic parameterization provides an opportunity to represent spatiotemporal errors caused by microphysics schemes that play important roles in supercell simulations. In this study, two stochastic ...
General Features of Extreme Rainfall Events Produced by MCSs over East China during 2016–17
Publisher: American Meteorological Society
Abstract: AbstractThis study investigated the characteristics of extreme precipitation events associated with mesoscale convective systems (MCSs) in East China (the area east of 96°E) during 2016?17. Over the entire region, 204 ...
Direct Assimilation of All-Sky GOES-R ABI Radiances in GSI EnKF for the Analysis and Forecasting of a Mesoscale Convective System
Publisher: American Meteorological Society
Direct Assimilation of All-Sky GOES-R ABI Radiances in GSI EnKF for the Analysis and Forecasting of a Mesoscale Convective System
Publisher: American Meteorological Society
A Scheme to Assimilate “No Rain” Observations from Doppler Radar
Publisher: American Meteorological Society
Abstract: AbstractRadar reflectivity observations contain valuable information on precipitation and have been assimilated into numerical weather prediction models for improved microphysics initialization. However, low-reflectivity ...
The Impact of Stochastically Perturbed Parameterizations on Tornadic Supercell Cases in East China
Publisher: American Meteorological Society
Abstract: The impact of stochastically perturbed parameterizations on short-term tornadic supercell ensemble forecasts (EFs) was evaluated using two tornado cases that occurred in eastern China. The initial condition (IC) perturbations ...
Error Growth Dynamics within Convection-Allowing Ensemble Forecasts over Central U.S. Regions for Days of Active Convection
Publisher: American Meteorological Society
A Method for Probability Matching Based on the Ensemble Maximum for Quantitative Precipitation Forecasts
Publisher: American Meteorological Society
Variational Assimilation of Cloud Liquid/Ice Water Path and Its Impact on NWP
Publisher: American Meteorological Society
Abstract: nalysis of the cloud components in numerical weather prediction models using advanced data assimilation techniques has been a prime topic in recent years. In this research, the variational data assimilation (DA) system for ...