<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Dear Eric,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">
Excellent explanation! Thank you very much.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">
Mohsen </div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><span><span style="font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#888888"></span></span><span><span dir="RTL" style="font-size:11.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#888888" lang="AR-SA"><span></span></span></span>--<div>
some are weather-wise some are otherwise!</div><div>--<br>Best Wishes, <br>(Mr.) Mohsen Soltani<br>Climatology Grad Student (M.Sc.),<br>Faculty of Geography, University of Tehran, Tehran, Iran<br>
Tel: (+98) 9119772934<br>e-mail: <a href="mailto:soltani.clima@gmail.com" target="_blank">soltani.clima@gmail.com</a><br></div></div></div>
<br><br><div class="gmail_quote">On Sun, May 26, 2013 at 10:18 PM, Eric Altshuler <span dir="ltr"><<a href="mailto:ela@cola.iges.org" target="_blank">ela@cola.iges.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div style="font-size:12pt;font-family:arial,helvetica,sans-serif">Dear Mohsen,<div><br></div><div>At a given point, temperature advection is that portion of the local temperature tendency due to the wind blowing across the isotherms. The units can be determined from the equation:</div>
<div><br></div><div>Tadv = -(U*dT/dx + V*dT/dy)</div><div><br></div><div>Using the first term, U has dimensions of (length/time) and dT/dx has dimensions of (temperature/length), multiplication gives units of (temperature/time) which is what K/day is.</div>
<div><br></div><div><div class="im">Eric<br><br><hr><b>From: </b>"Mohsen Soltani" <<a href="mailto:soltani.clima@gmail.com" target="_blank">soltani.clima@gmail.com</a>><br><b>To: </b>"GrADS Users Forum" <<a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a>><br>
</div><b>Sent: </b>Saturday, May 25, 2013 11:59:33 AM<div class="im"><br><b>Subject: </b>Re: [gradsusr] Temperature Advection<br><br></div><div><div class="h5">Dear Eric,<br><br>Thank you very much for your help. The attached in the new map (warm<br>
air advection - k/day) based on the new display.<br>But, you know, the unit of the map (K/day) is a little bizarre to me!!<br>Would you please explain it to me in a few words?<br>FYI: the unit of variables are in terms of: air temperature: K, and<br>
U&V wind components: m/s.<br><br>Thanks again,<br><br>Mohsen<br><br>-- <br>--<br>some are weather-wise some are otherwise!<br>--<br>Best Wishes,<br>(Mr.) Mohsen Soltani<br>Climatology Grad Student (M.Sc.),<br>Faculty of Geography, University of Tehran, Tehran, Iran<br>
Tel: (+98) 9119772934<br>e-mail: <a href="mailto:soltani.clima@gmail.com" target="_blank">soltani.clima@gmail.com</a><br><br></div></div><div class="im">_______________________________________________<br>gradsusr mailing list<br>
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