<div dir="ltr"><div><div><div>I think that someone who is more familiar with WRF (? <a href="mailto:wrfhelp@ucar.edu">wrfhelp@ucar.edu</a> ?) will have to help. I am not aware of any function that would extrapolate WRF output to 1000 hPa.<br><br>--<br></div>A post to the wrf forum in 2014 asked your question:<br><br> <a href="http://forum.wrfforum.com/viewtopic.php?f=32&t=7610">http://forum.wrfforum.com/viewtopic.php?f=32&t=7610</a><br><br></div>It was never answered.<br><br>===<br></div>The poster tried<br><div><div><br>z = wrf_user_getvar(a, "z",it) ; grid point height<br>p = wrf_user_getvar(a, "pressure",it) ; pressure is our vertical coordinat<br><br>z_plane_500 = wrf_user_intrp3d( z,p,"h",500.,0.,False)<br>z_plane_1000 = wrf_user_intrp3d( z,p,"h",1000.,0.,False)<br><br>thick_500_1000 = z_plane_500-z_plane_1000 ;<br><br></div><div>The poster said this did not work. However, there may have been updates since that time.<br><br></div><div>Good luck <br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 2, 2017 at 8:04 AM, Daniel Vecellio <span dir="ltr"><<a href="mailto:djvecellio@tamu.edu" target="_blank">djvecellio@tamu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Oh, sorry. Yeah, it was a general question, so I didn't know how much data to put in my email. It is the normal output data from a WRF run on model levels. I imagined something like you had above, but was wondering how places above 1000 mb might need to be handled.<div><br></div><div>Thanks,</div><div>Dan</div></div><div class="gmail_extra"><div><div class="h5"><br><div class="gmail_quote">On Wed, Aug 2, 2017 at 8:42 AM, Dennis Shea <span dir="ltr"><<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div><div><div>What data do you have available?<br>People are reluctant to get involved unless some information is provided.<br></div></div><br></div>Are the data on isobaric levels?<br></div>Are they gridded?<br></div><div>Station rawindsonde data?<br></div><div>What format?<br></div><div>etc<br></div><div><br></div>For (say) gridded NCEP Reanalysis on isobaric levels, the thickness would simple: <br><br></div> f = addfile("hgt....nc","r") ; (time,lev,lat,lon)<br></div> z = f->hgt<br></div> thick = z(:,{500},:,:) - z(:,{1000},:,:) ; (ntim,nlat,mlon)<br><div><div><div><div><div><div> copy_VarCoords(z(:,0,:,:), thick)<br></div><div> thick@long_name = "Thickness: 500-1000"<br></div><div> thick@units = z@units<br></div><div> printVarSummary(thick)<br><br><br></div><div><br><br><div><br><br></div></div></div></div></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_-2678271539375184940h5">On Tue, Aug 1, 2017 at 1:30 PM, Daniel Vecellio <span dir="ltr"><<a href="mailto:djvecellio@tamu.edu" target="_blank">djvecellio@tamu.edu</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_-2678271539375184940h5"><div dir="ltr">Hello all,<div><br></div><div>I know there are NCL scripts already out on the Internet for nearly everything, but I'm having a ton of trouble finding one for 1000-500mb thickness. Does anyone have one that they could point me to?</div><div><br></div><div>Thanks,</div><div>Dan<span class="m_-2678271539375184940m_-487451634102361896HOEnZb"><font color="#888888"><br clear="all"><div><br></div>-- <br><div class="m_-2678271539375184940m_-487451634102361896m_-932032959045746174gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><br></div><div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Daniel J. Vecellio</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><font color="#000000"><br></font></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Ph.D. Student - Climate Science Lab, </font></i><i><font color="#000000">Department of Geography, </font></i><i style="font-size:12.8000001907349px"><font color="#000000">Texas A&M University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Head Teaching Assistant - Geography 213, Texas A&M University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Education Chair - United States Permafrost Association</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">ExCom and United States National Representative - Permafrost Young Researchers Network</font></i><br></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Communications Director - Students and New Professionals Group, International Society of Biometeorology </font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000"><br></font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">M.S. 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</blockquote></div><br><br clear="all"><div><br></div>-- <br></div></div><div class="m_-2678271539375184940gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><br></div><div><div><div class="h5"><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Daniel J. Vecellio</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><font color="#000000"><br></font></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Ph.D. Student - Climate Science Lab, </font></i><i><font color="#000000">Department of Geography, </font></i><i style="font-size:12.8000001907349px"><font color="#000000">Texas A&M University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Head Teaching Assistant - Geography 213, Texas A&M University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Education Chair - United States Permafrost Association</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">ExCom and United States National Representative - Permafrost Young Researchers Network</font></i><br></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">Communications Director - Students and New Professionals Group, International Society of Biometeorology </font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000"><br></font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">M.S. Atmospheric Science - Texas Tech University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><i><font color="#000000">B.S. Meteorology - Pennsylvania State University</font></i></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><font color="#000000"><br></font></div></div></div><div style="color:rgb(80,0,80);font-size:12.8000001907349px"><font color="#000000">Office: 814-1 O&M</font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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