[ferret_users] Wind divergence calculation in Ferret

To: ferret <ferret_users@xxxxxxxx>
Subject: [ferret_users] Wind divergence calculation in Ferret
From: "FISSEHA G. BERHANE" <fishcivilmu@xxxxxxxxx>
Date: Mon, 17 Sep 2012 13:37:48 -0700 (PDT)
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Hi dear Ferreters,

I want to calculate wind divergence from NCEP reanalysis-I. I used the formula below:

div = uwnd[x=@ddc] + vwnd[y=@ddc] ! I am using centered derivative

Am I correct?

Thank you,
Fisseha

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