<div dir="ltr"><div>"depict" => Draw</div><div><br></div><div>If you know the lat/lon locations of the trough:</div><div><br></div><div>   lat_trough = (/lat1,lat2,...,latN/)</div><div>   lon_trough= (/lon1,lon2,...,lonN/)<br></div><div><br></div><div>[1] draw a map with gsnDraw/gsnFrame set to False</div><div>      <br><pre>    plot = gsn_csm_map_ce(wks,res)  
</pre></div><div>[2] use gsn_polyline or gsn_add_polyline</div><div><br></div><div>        dum = gsn_add_polyline(wks,plot, lon_trough,  lat_trough, pres)</div><div><br></div><div>[3] Draw/Frame</div><div><br></div><div>There are numerous examples at: <a href="http://www.ncl.ucar.edu/Applications/polyg.shtml" target="_blank"><b>http://www.ncl.ucar.edu/Applications/polyg.shtml</b></a></div><div><br></div><div>In particular,</div><div><b><br></b></div><div><b>polyg_[14, 24, 25]</b><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Oct 25, 2019 at 6:35 AM Debashis Paul via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:monospace,monospace">Hello, ncl community,</div><div class="gmail_default" style="font-family:monospace,monospace">I am trying to depict the monsoon trough, has anyone tried the same of plotting the monsoon trough, if so can you please help me by saying it was done.</div><div class="gmail_default" style="font-family:monospace,monospace">With regards,</div><div class="gmail_default" style="font-family:monospace,monospace">DP</div><div class="gmail_default" style="font-family:monospace,monospace">***********************************************</div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><b><i><font face="monospace" color="#0000ff">Debashis Paul</font></i></b></div><div dir="ltr"><b><i><font face="monospace" color="#0000ff">Research Scholar,NIT-RKL<br></font></i></b><div><b><i><font face="monospace" color="#0000ff">Ph:+916002713628</font></i></b></div><div><b><i><font face="monospace" color="#0000ff">E-mail: <a href="mailto:Debgeo668@gmail.com" target="_blank">Debgeo668@gmail.com</a></font></i></b></div></div></div></div></div></div></div></div></div>
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