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For these tasks the Metview icons in the row labelled 'ENS' can also be used to plot the different experiments (e.g. stamp plots). Please see the comments in those macros for more details of how to select the different OpenIFS experiments. Remember that you can make copies of the icons to keep your changes. |
Task 1. RMSE plumes
Use the ens_exps_rmse.mv icon and plot the RMSE curves for the different OpenIFS experiments.
Q. Compare the spread from the different experiments.
Q. The OpenIFS experiments were at a lower horizontal resolution. How does the RMSE spread compare between the 'ens_oper' and 'ens_both' experiments?
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Use the ens_exps_to_an.mv icon and plot the ensemble spread for the different OpenIFS experiments.
Q. How does changing the representation of uncertainty affect the spread?
Q. Which experiment of the experiments ens_initial and ens_model gives the better spread?
Q. Is it possible to determine whether initial uncertainty or model uncertainty is more or less important in the forecast error?
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