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Ensembles


RMSE curves Z500 for ensemble	MSLP ensemble mean and spread compared to analysis	MSLP ensemble spaghetti plot

Ensemble stamp map total precipitation over France	Ensemble difference stamp map of z500	Comparing MSLP of perturbed ensemble member to analysis
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Difference maps of two ensemble members to analysis	Cumulative distribution function MSLP for ensemble forecast at Toulouse, France

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Principal component analysis and Clusters

After computing the EOFs a clustering can be applied to all of the above ensemble plots.

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EOF and PCA analyses of ensemble spread for Z500 using clustering (top graph; clusters shown as either red or blue dots).	Z500, ensemble mean of cluster 1 and 2 (top left & right respectively), compared to HRES & analysis bottom.	Stamp difference map of MSLP with clusters enabled. Maps are ordered according to which cluster they are in	Stamp map of total precip. with clustering enable. Maps are ordered according to their cluster.
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Ensemble spaghetti plot with clusters. Top left and top right show ensemble members in cluster 1 & 2 respectively.	Z500 RMSE curves with clusters. Ensemble members in each cluster are plotted separately.