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titleQuestions

Compare the animation of the z500 and mslp fields with Figure 1. from Pantillon et al.

Q. When does the cut-off low form (see z500)?
Q. From the PV at 320K (and z500), what is different about the upper level structure of Nadine and the cut-off low?

Task 3: Changing geographical area

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Q. What do the EOFs plotted by eof.mv show?
Q. Change the parameter used for the EOF (try the 'total precipitation' field). How does the cluster change?


 

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titlePlot ensemble and cluster maps

Use the cluster definition file computed by eof.mv to the plot ensembles and maps with clusters enabled (as described for task 1, but this time with the 'eof' cluster file).

The macro cluster_to_an.mv can be used to plot maps of parameters as clusters and compared to the analysis and HRES forecasts.

Use cluster_to_an.mv to plot z500 and MSLP maps of the two clusters created by the EOF/PCA analysis (equivalent to Figure 7 in Pantillon et al.)

Edit cluster_to_an.mv and set:

Code Block
languagebash
#ENS members (use ["all"] or a list of members like [1,2,3]
members_1=["cl.eof.1"]
members_2=["cl.eof.2"]

Run the macro.

If time also look at the total precipitation (tp) over France and PV/320K.

 

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