<div dir="ltr"><span style="font-size:12.8px">Hi fellow WRFers,</span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Does anyone have a sample script for calculating temperature advections in NCL? (Note that I'm stuck using V6.1.2, so the NCL function <font face="monospace, monospace">advect_variable</font> can't be used. Regardless, it only runs on globally gridded data, which this is not.) </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">I'm trying to just hard code it like, <font face="monospace, monospace">temp_adv = u_plane*dTdx + v_plane*dTdy</font></div><div style="font-size:12.8px">where u_plane and v_plane are declared using the <font face="monospace, monospace">wrf_user_intrp3d function</font>.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">The problem I've run into is the calculation of the gradient variables dTdx and dTdy. Using NCL's <font face="monospace, monospace">center_difference_n</font> function produces numbers, though unrealistic, and the script ultimately crashes on <font face="monospace, monospace">wrf_contour </font><font face="arial, helvetica, sans-serif">by hanging up but not throwing any error.</font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif"><br></font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">I've already posted to the ncl-talk list serv, where it was suggested that I try this list instead.</font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif"><br></font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">Thanks,</font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">Ryan</font></div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><font size="1">Ryan Connelly</font></div><div dir="ltr"><div dir="ltr" style="font-size:12.8px"><font color="#000000"><font size="1">M.S. Student in Atmospheric Sciences, </font><span style="font-size:x-small">Stony Brook University</span><br></font></div><div dir="ltr" style="font-size:12.8px"><div><font color="#000000"><font size="1">B.S. in Meteorology with Minors in Mathematics and GIS, </font><span style="font-size:x-small">Valparaiso University</span></font></div></div><div><a href="mailto:rconne01@gmail.com" style="font-size:x-small" target="_blank">rconne01@gmail.com</a><br></div><div><font size="1"><a href="mailto:ryan.connelly@stonybrook.edu" target="_blank">ryan.connelly@stonybrook.edu</a></font></div></div></div></div></div></div></div></div></div></div>
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