Search
Now showing items 1-10 of 17
Influence 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 ...
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 ...
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 ...
Effects of Horizontal Grid Spacing and Inflow Environment on Forecasts of Cyclic Mesocyclogenesis in NSSL’s Warn-on-Forecast System (WoFS)
Publisher: American Meteorological Society
Advancing from Convection-Allowing NWP to Warn-on-Forecast: Evidence of Progress
Publisher: American Meteorological Society
Abstract: AbstractThe Warn-on-Forecast (WoF) program, driven by advanced data assimilation and ensemble design of numerical weather prediction (NWP) systems, seeks to advance 0?3-h NWP to aid National Weather Service warnings for ...
Exploring the Usefulness of Downscaling Free Forecasts from the Warn-on-Forecast System
Publisher: American Meteorological Society
Object-Based Verification of a Prototype Warn-on-Forecast System
Publisher: American Meteorological Society
Abstract: AbstractAn object-based verification methodology for the NSSL Experimental Warn-on-Forecast System for ensembles (NEWS-e) has been developed and applied to 32 cases between December 2015 and June 2017. NEWS-e forecast ...