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<p>Hi all, </p>
<p>I've wanted to create anomaly charts for some time now using data from the GFS along side climatology data, say from 1981-2010, perhaps using CFSR. However I'm unsure where to start with this really, is there anybody who could throw some advice or perhaps an old script that I could teach myself. Any help would be greatly appreciated. </p>
<p>Best regards,</p>
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<p>Stuart Markham</p>
<p><img src="http://www.chorleyweather.com/forecast-charts/SampleDatasets/logo%20450x100.PNG" alt="" /></p>
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