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Model configurations
The IFS models the dynamics of the atmosphere and the physical processes that occur, and also other processes that influence the weather e.g. atmospheric composition, surface energy fluxes, the marine environment and processes at the atmosphere/surface interface (then scroll down to soil/surface section). Several configurations of the atmospheric model are used, each tailored towards a specific aim:
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There are some slight differences, but generally the same model structure is used in each of the different model configurations. The relative skill of the models and their strengths have been investigated.
Upgrades in latest cycle of Integrated Forecast System (IFS) model Cy49r1.
Some major model changes were made to the IFS with the introduction of Cy49r1 in October 2024. These are:
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- Extension of Clear Air Turbulence to include non-orographic gravity wave outside convection.An atmospheric composition package.
- Activation of the stochastically perturbed parameterisations (SPP) package dealing with uncertainty in all ensemble configurations.
(FUG Associated with Cy49r1)
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