<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Bill,<div class=""><br class=""></div><div class="">Excellent! Thanks a lot for this helpful information.</div><div class=""><br class=""></div><div class="">Cheers,</div><div class="">Deniz</div><div class=""><br class=""></div><div class=""><div class="" style="word-wrap: break-word;"><span class="" style="border-collapse: collapse; font-family: Arial;"><font color="#7c7c7c" class="">--</font></span><div class="" style="border-collapse: separate;"><font face="Arial" class="" color="#7c7c7c">Deniz Bozkurt, PhD<br class="">Postdoctoral Researcher</font></div><div class="" style="border-collapse: separate;"><font face="Arial" class="" color="#7c7c7c">Center for Climate and Resilience Research (CR2)<span class=""> <</span><span class=""><a href="http://www.cr2.cl/" class="">www.cr2.cl</a>></span></font></div></div><font color="#7c7c7c" class=""><span class="" style="border-collapse: collapse; font-family: Arial;">Department of Geophysics</span>, University of Chile<span class="" style="border-collapse: collapse; font-family: Arial;"></span></font><div class=""><font color="#7c7c7c" class=""><span class="" style="border-collapse: collapse; font-family: Arial;"></span></font><div class="" style="word-wrap: break-word;"><div class="" style="font-size: 11px; border-collapse: separate;"><span class="" style="border-collapse: collapse;"><font face="Arial" class="" color="#7c7c7c">Blanco Encalada 2002, Santiago, Chile</font></span></div><div class="" style="font-size: 11px; border-collapse: separate;"><font color="#7c7c7c" class=""><br class=""></font></div><div class="" style="font-size: 11px; border-collapse: separate;"><font color="#7c7c7c" class="">Mobil: +56 (9) 56107310</font></div><div class="" style="font-size: 11px; border-collapse: separate;"><font color="#9a9a9a" class=""><a href="https://sites.google.com/site/deniboz" class="">https://sites.google.com/site/deniboz</a></font></div><div class=""><br class=""></div><div class=""><br class=""></div></div></div></div><div><blockquote type="cite" class=""><div class="">On Dec 10, 2018, at 5:33 PM, Bill Ladwig <<a href="mailto:ladwig@ucar.edu" class="">ladwig@ucar.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi Deniz,<div class=""><br class=""></div><div class="">Try changing your mpCenterLat parameter to -90.0. Since you're doing Polar Stereographic (and not the more general Stereographic that NCL uses), you don't want the projection center latitude to be your grid center latitude. The projection center latitude needs to be a pole (90.0 for Northern, -90.0 for Southern).</div><div class=""><br class=""></div><div class="">Hope this helps,</div><div class=""><br class=""></div><div class="">Bill</div><div class=""><br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="">On Mon, Dec 10, 2018 at 1:04 PM Deniz Bozkurt <<a href="mailto:bozkurtd@itu.edu.tr" class="">bozkurtd@itu.edu.tr</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" class=""><div dir="auto" style="overflow-wrap: break-word;" class="">Dear NCL,<div class=""><br class=""></div><div class="">I am struggling with a correct representation of WRF output over the Antarctic Peninsula. I believe that the issue is related with Polar Stereographic projection of WRF configuration:</div><div class=""><br class=""></div><div class="">CEN_LAT : -61.98499</div><div class="">CEN_LON : -72.011<br class="">TRUELAT1 : -61.985<br class="">TRUELAT2 : -90<br class="">MOAD_CEN_LAT : -61.985<br class="">STAND_LON : -72.011<br class="">POLE_LAT : 90<br class="">POLE_LON : 0<br class="">GMT : 0<br class="">MAP_PROJ : 2<br class="">MAP_PROJ_CHAR : Polar Stereographic<br class="">
<br class=""></div><div class="">Note that I am using a post-processed WRF file produced by “wrfout_to_cf.ncl” (<a href="http://foehn.colorado.edu/wrfout_to_cf/overview.html" target="_blank" class="">http://foehn.colorado.edu/wrfout_to_cf/overview.html</a>). Although I have defined the projection information in the script, I am still having a slight shift of contour fields in the map plot. I attach my script and a comparison of NCL vs. ncview to illustrate the shifting. I have tried to put my data "<span style="background-color:rgb(255,255,255)" class=""><font face="Menlo" class=""><span style="font-size:11px" class=""><a href="http://wrfout_d02_2010-01-01_06-post.nc/" target="_blank" class="">wrfout_d02_2010-01-01_06-post.nc</a>” </span></font></span>to the ncl ftp server but not sure if it worked, therefore, a dropbox link of the data is also provided here: </div><div class=""><br class=""></div><div class=""><a href="https://www.dropbox.com/s/erajyyon7mum0zn/wrfout_d02_2010-01-01_06-post.nc?dl=0" target="_blank" class="">https://www.dropbox.com/s/erajyyon7mum0zn/wrfout_d02_2010-01-01_06-post.nc?dl=0</a></div><div class=""><br class=""></div><div class="">I would be grateful if someone could help me address the problem.</div><div class=""><div class=""><div class=""><br class=""></div>Thanks in advance,<br class=""></div>Deniz</div><div class=""><br class=""></div><div class=""><div style="overflow-wrap: break-word;" class=""><div style="overflow-wrap: break-word;" class=""><span style="border-collapse:collapse;font-family:Arial" class=""><font color="#7c7c7c" class="">--</font></span><div style="border-collapse:separate" class=""><font face="Arial" color="#7c7c7c" class="">Deniz Bozkurt, PhD<br class="">Postdoctoral Researcher</font></div><div style="border-collapse:separate" class=""><font face="Arial" color="#7c7c7c" class="">Center for Climate and Resilience Research (CR2)<span class=""> <</span><span class=""><a href="http://www.cr2.cl/" target="_blank" class="">www.cr2.cl</a>></span></font></div></div><font color="#7c7c7c" class=""><span style="border-collapse:collapse;font-family:Arial" class="">Department of Geophysics</span>, University of Chile<span style="border-collapse:collapse;font-family:Arial" class=""></span></font><div class=""><font color="#7c7c7c" class=""><span style="border-collapse:collapse;font-family:Arial" class=""></span></font><div style="overflow-wrap: break-word;" class=""><div style="font-size:11px;border-collapse:separate" class=""><span style="border-collapse:collapse" class=""><font face="Arial" color="#7c7c7c" class="">Blanco Encalada 2002, Santiago, Chile</font></span></div><div style="font-size:11px;border-collapse:separate" class=""><font color="#7c7c7c" class=""><br class=""></font></div><div style="font-size:11px;border-collapse:separate" class=""><font color="#7c7c7c" class="">Mobil: +56 (9) 56107310</font></div><div style="font-size:11px;border-collapse:separate" class=""><font color="#9a9a9a" class=""><a href="https://sites.google.com/site/deniboz" target="_blank" class="">https://sites.google.com/site/deniboz</a></font></div></div></div></div><div class=""><div style="overflow-wrap: break-word;" class=""><div class=""><br class=""></div><div class=""><br class=""></div><div class=""></div></div></div></div></div></div><div style="overflow-wrap: break-word;" class=""><div dir="auto" style="overflow-wrap: break-word;" class=""><div class=""><div class=""><div style="overflow-wrap: break-word;" class=""><div class=""></div></div></div></div></div></div><div style="overflow-wrap: break-word;" class=""><div dir="auto" style="overflow-wrap: break-word;" class=""><div class=""><div class=""><div style="overflow-wrap: break-word;" class=""><div class=""></div><div class=""><br class=""></div></div></div></div></div></div>_______________________________________________<br class="">
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