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RISInfluence of Mesonet Observations on the Accuracy of Surface Analyses Generated by an Ensemble Kalman Filter
Publisher: American Meteorological Society
Abstract: he expansion of surface mesoscale networks (mesonets) across the United States provides a high-resolution observational dataset for meteorological analysis and prediction. To clarify the impact of mesonet data on the ...
An Evaluation of Non-Gaussian Data Assimilation Methods in Moist Convective Regimes
Publisher: American Meteorological Society
Impact of MPEX Upsonde Observations on Ensemble Analyses and Forecasts of the 31 May 2013 Convective Event over Oklahoma
Publisher: American Meteorological Society
Abstract: his study examines the impact of assimilating three radiosonde profiles obtained from ground-based mobile systems during the Mesoscale Predictability Experiment (MPEX) on analyses and convection-permitting model forecasts ...
Impact of Assimilating Preconvective Upsonde Observations on Short-Term Forecasts of Convection Observed during MPEX
Publisher: American Meteorological Society
Abstract: his study examines the impact of assimilating preconvective radiosonde observations obtained by mobile sounding systems on short-term forecasts of convection. Ensemble data assimilation is performed on a mesoscale (15 km) ...
Storm-Scale Data Assimilation and Ensemble Forecasting with the NSSL Experimental Warn-on-Forecast System. Part I: Radar Data Experiments
Publisher: American Meteorological Society
Abstract: his first part of a two-part study on storm-scale radar and satellite data assimilation provides an overview of a multicase study conducted as part of the NOAA Warn-on-Forecast (WoF) project. The NSSL Experimental WoF ...
Storm-Scale Data Assimilation and Ensemble Forecasts for the 27 April 2011 Severe Weather Outbreak in Alabama
Publisher: American Meteorological Society
Abstract: s part of NOAA?s Warn-on-Forecast (WoF) initiative, a multiscale ensemble-based assimilation and prediction system is developed using the WRF-ARW model and DART assimilation software. To evaluate the capabilities of the ...
Forecast Evaluation of an Observing System Simulation Experiment Assimilating Both Radar and Satellite Data
Publisher: American Meteorological Society
Abstract: n the first part of this study, Jones et al. compared the relative skill of assimilating simulated radar reflectivity and radial velocity observations and satellite 6.95-?m brightness temperatures TB and found that both ...
Assimilation of Satellite Infrared Radiances and Doppler Radar Observations during a Cool Season Observing System Simulation Experiment
Publisher: American Meteorological Society
Abstract: n observing system simulation experiment is used to examine the impact of assimilating water vapor?sensitive satellite infrared brightness temperatures and Doppler radar reflectivity and radial velocity observations on the ...
Storm-Scale Data Assimilation and Ensemble Forecasting with the NSSL Experimental Warn-on-Forecast System. Part II: Combined Radar and Satellite Data Experiments
Publisher: American Meteorological Society
Abstract: his research represents the second part of a two-part series describing the development of a prototype ensemble data assimilation system for the Warn-on-Forecast (WoF) project known as the NSSL Experimental WoF System for ...
Application of Two Spatial Verification Methods to Ensemble Forecasts of Low-Level Rotation
Publisher: American Meteorological Society
Abstract: wo spatial verification methods are applied to ensemble forecasts of low-level rotation in supercells: a four-dimensional, object-based matching algorithm and the displacement and amplitude score (DAS) based on optical ...