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Ensemble Data Assimilation Using a Unified Representation of Model Error
Publisher: American Meteorological Society
Abstract: natural way to set up an ensemble forecasting system is to use a model with additional stochastic forcing representing the model error and to derive the initial uncertainty by using an ensemble of analyses generated with ...
Unified Modeling and Prediction of Weather and Climate: A 25-Year Journey
Publisher: American Meteorological Society
Abstract: years there has been a growing appreciation of the potential advantages of using a seamless approach to weather and climate prediction. However, what exactly should this mean in practice? To help address this question, we ...
Scientific Challenges of Convective-Scale Numerical Weather Prediction
Publisher: American Meteorological Society
Abstract: AbstractAfter extensive efforts over the course of a decade, convective-scale weather forecasts with horizontal grid spacings of 1?5 km are now operational at national weather services around the world, accompanied by ...
Processes Controlling Tropical Tropopause Temperature and Stratospheric Water Vapor in Climate Models
Publisher: American Meteorological Society
Abstract: warm bias in tropical tropopause temperature is found in the Met Office Unified Model (MetUM), in common with most models from phase 5 of CMIP (CMIP5). Key dynamical, microphysical, and radiative processes influencing the ...
Physics–Dynamics Coupling in Weather, Climate, and Earth System Models: Challenges and Recent Progress
Publisher: American Meteorological Society
Abstract: AbstractNumerical weather, climate, or Earth system models involve the coupling of components. At a broad level, these components can be classified as the resolved fluid dynamics, unresolved fluid dynamical aspects (i.e., ...