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RISHigh-Resolution Radar Data Assimilation For Hurricane Isabel (2003) At Landfall
Publisher: American Meteorological Society
Abstract: Major damage caused by hurricanes occurs over land during and after landfall. Accurate predictions of winds and precipitation in and around hurricanes at or near landfall are therefore of vital importance for hurricane ...
A Prognostic Cloud Scheme for Operational NWP Models
Publisher: American Meteorological Society
Abstract: An explicit cloud prediction model has been developed and incorporated into the Eta Model at the National Centers for Environmental Prediction. In this scheme, only one predictive variable, cloud mixing ratio, is added to ...
Numerical Experiments of an Advanced Radiative Transfer Model in the U.S. Navy Operational Global Atmospheric Prediction System
Publisher: American Meteorological Society
Abstract: high-order accurate radiative transfer (RT) model developed by Fu and Liou has been implemented into the Navy Operational Global Atmospheric Prediction System (NOGAPS) to improve the energy budget and forecast skill. The ...
A Dynamically Constrained Method for Determining the Vortex Centers of Tropical Cyclones Predicted by High-Resolution Models
Publisher: American Meteorological Society
Abstract: his paper proposes a new method to properly define and accurately determine the vortex center of a model-predicted tropical cyclone (TC) from a dynamic perspective. Ideally, a dynamically determined TC vortex center should ...
Implementation of Prognostic Cloud Scheme for a Regional Spectral Model
Publisher: American Meteorological Society
Abstract: The purpose of this study is to develop a precipitation physics package for the National Centers for Environmental Prediction (NCEP) Regional Spectral Model (RSM) designed to improve the skill of precipitation forecasts. ...
Ensemble Prediction of Atmospheric Refractivity Conditions for EM Propagation
Publisher: American Meteorological Society
Abstract: n ensemble forecast system has been developed at the Naval Research Laboratory to improve the analyses and forecasts of atmospheric refractivity for electromagnetic (EM) propagation with the intention of accounting for ...
Implementation of the Cloud Prediction Scheme in the Eta Model at NCEP
Publisher: American Meteorological Society
Abstract: An explicit cloud prediction scheme has been developed and incorporated into the Eta Model at the National Centers for Environmental Prediction (NCEP) to improve the cloud and precipitation forecasts. In this scheme, the ...
Improving Short-Term Storm Predictions by Assimilating both Radar Radial-Wind and Reflectivity Observations
Publisher: American Meteorological Society
Abstract: A high-resolution data assimilation system is under development at the Naval Research Laboratory (NRL). The objective of this development is to assimilate high-resolution data, especially those from Doppler radars, into ...
Using Radar Wind Observations to Improve Mesoscale Numerical Weather Prediction
Publisher: American Meteorological Society
Abstract: A high-resolution radar data assimilation system is presented for high-resolution numerical weather prediction models. The system is under development at the Naval Research Laboratory for the Navy?s Coupled Ocean?Atmosphere ...
The Influence of Airborne Doppler Radar Data Quality on Numerical Simulations of a Tropical Cyclone
Publisher: American Meteorological Society
Abstract: he impact of airborne Doppler radar data assimilation on improving numerical simulations of tropical cyclones (TCs) has been well recognized. However, the influence of radar data quality on the numerical simulation of ...