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RISPerformance of a Saturation-Based Dissipation-Rate Source Term in Modeling the Fetch-Limited Evolution of Wind Waves
Publisher: American Meteorological Society
Abstract: A new formulation of the spectral dissipation source term Sds for wind-wave modeling applications is investigated. This new form of Sds is based on a threshold behavior of deep-water wave-breaking onset associated with ...
The Operational Implementation of a Great Lakes Wave Forecasting System at NOAA/NCEP
Publisher: American Meteorological Society
Abstract: he development of a Great Lakes wave forecasting system at NOAA?s National Centers for Environmental Prediction (NCEP) is described. The system is an implementation of the WAVEWATCH III model, forced with atmospheric data ...
Revisiting the Pierson–Moskowitz Asymptotic Limits for Fully Developed Wind Waves
Publisher: American Meteorological Society
Abstract: The time-honored topic of fully developed wind seas pioneered by Pierson and Moskowitz is revisited to review the asymptotic evolution limits of integral spectral parameters used by the modeling community in the validation ...
Operational Wave Guidance at the U.S. National Weather Service during Tropical/Post–Tropical Storm Sandy, October 2012
Publisher: American Meteorological Society
Abstract: aves generated during Hurricane Sandy (October 2012) contributed significantly to life and property losses along the eastern U.S. seaboard. Extreme waves generated by Sandy propagated inland riding high water levels, causing ...
An Operational System for Predicting Hurricane-Generated Wind Waves in the North Atlantic Ocean
Publisher: American Meteorological Society
Abstract: A new wind?wave prediction model, referred to as the North Atlantic hurricane (NAH) wave model, has been developed at the National Centers for Environmental Prediction (NCEP) to produce forecasts of hurricane-generated ...
Operational Forecasting of Wind-Generated Waves by Hurricane Isabel at NCEP
Publisher: American Meteorological Society
Abstract: The accuracy of the operational wave models at the National Centers for Environmental Prediction (NCEP) for sea states generated by Hurricane Isabel is assessed. The western North Atlantic (WNA) and the North Atlantic ...
Assessments of Surface Winds and Waves from the NCEP Ensemble Forecast System
Publisher: American Meteorological Society
Abstract: AbstractThe error characteristics of surface waves and winds produced by ensemble forecasts issued by the National Centers for Environmental Prediction are analyzed as a function of forecast range and severity. Eight error ...
Nonlinear Wave Ensemble Averaging in the Gulf of Mexico Using Neural Networks
Publisher: American Meteorological Society
Abstract: Artificial neural networks (ANNs) applied to nonlinear wave ensemble averaging are developed and studied for Gulf of Mexico simulations. It is an approach that expands the conservative arithmetic ensemble mean (EM) from ...
Operational Wave Prediction System at Environment Canada: Going Global to Improve Regional Forecast Skill
Publisher: American Meteorological Society
Abstract: global deterministic wave prediction system (GDWPS) is used to improve regional forecasts of waves off the Canadian coastline and help support the practice of safe marine activities in Canadian waters. The wave model has ...
A Multigrid Wave Forecasting Model: A New Paradigm in Operational Wave Forecasting
Publisher: American Meteorological Society
Abstract: new operational wave forecasting system has been implemented at the National Centers for Environmental Prediction (NCEP) using the third public release of WAVEWATCH III. The new system uses a mosaic of grids with two-way ...