Battlefield vietnam ww2 mod extended10/25/2022 ![]() ![]() These spiral bands occasionally contracted inward resulting in rapid fluctuations in the intensity of the tropical cyclone. A realistic structure developed with spiral bands of convection present outside the inner eyewall. In the first simulation, only the atmospheric model was used, assuming a fixed sea surface temperature (SST). Two idealized simulations of a tropical cyclone were performed with COAMPS. ![]() Accurate forecasts of the low-level wind in the coastal race area was accomplished by utilizing triply nested grids to attain the necessary high resolution to resolve the local wind patterns and the underlying surface terrain field. Results of these forecasts indicated the necessity of data assimilation to reduce model spinup in the first 6 h of the forecast. The atmospheric component of COAMPS was used for operational support for the America3 team in the 1995 America's Cup races. Optionally, either the atmospheric or ocean model can be used as a stand-alone system. ![]() The models can be integrated simultaneously so that the surface fluxes of heat, momentum, and moisture are exchanged across the air-water interface every time step. COAMPS consists of an atmospheric data assimilation system comprising data quality control, analysis, initialization, and nonhydrostatic forecast model components, as well as a hydrostatic ocean model. The three-dimensional Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS) has been developed by the Naval Research Laboratory. This new capability can significantly enhance naval gunfire effectiveness since the BALCOR increase the munitions range and the ability apply kinetic energy onto the target rather than using it to maneuver to the target. Forecasted NWP products provided by the Fleet Numerical Meteorology and Oceanographic Center (FNMOC) are integrated using the Joint Meteorology and Oceanographic (METOC) Broker Language (JMBL) into a Five-Degree of Freedom (5DOF) aerodynamic model within the Autonomous Unmanned Vehicle (AUV) Workbench producing a ballistic correction (BALCOR) for the munition. It has also been shown that global atmospheric numerical weather prediction (NWP) data typically outperforms the traditional radiosonde data and is suitable for use in ballistic corrections. The most important factors are wind (speed and direction), temperature, and pressure. A broad review of artillery and munitions literature reveals that historically 66% of ballistic error can be attributed to meteorological factors. The purpose of this work is to increase the range and lethality of these munitions by applying environmental effects when computing the projectiles trajectory. In accordance with Sea Power 21 and the Marine Corps requirements for sea-based fire support, three ERMs are being developed. Extended-Range Munitions (ERMs) are gun-launched rocket-boosted munitions having an effective range over 27 km. ![]()
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