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<p>Hi all,</p>
<p>I'm from the UK and using GFS data I'm trying to figure out how to calculate sleet (here in the UK it is rain and snow mix). Can anybody help with this.</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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