[gradsusr] Plot Phase diagram of MJO

Sat Oct 15 02:38:52 EDT 2016

Hi all,

Has anyone tried plotting the phase diagram of MJO in grads?
Like this figure?
http://www.bom.gov.au/climate/mjo/graphics/rmm.phase.Last40days.gif

The data can be accessed here:
http://www.bom.gov.au/climate/mjo/graphics/rmm.74toRealtime.txt

Can you suggest any reference where I can study how plot this kind of graph?

Many thanks,

I will appreciate any help.

Lyndz
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