<div dir="ltr"><div><div>Hello, <br><br>Your email is being forwarded to '<a href="mailto:wrfhelp@ucar.edu">wrfhelp@ucar.edu</a>' They should best know how to area weight the WRF output.<br><br>--<br><br></div>If your WRF file has a variable that indicates the area of each grid cell, use<br><br><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/wgt_areaave2.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/wgt_areaave2.shtml</a><br><br></div>Examples 1 and, in particular, 3 may be helpful.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 17, 2014 at 2:41 AM, Geeta Geeta <span dir="ltr"><<a href="mailto:geetag54@yahoo.com" target="_blank">geetag54@yahoo.com</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="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:12px"><div><br><span style="text-indent:0px;font-family:Calibri,sans-serif;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">Hi all. </span></div><div style="text-indent:0px;color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important"></span></div><div style="text-indent:0px;color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">I have to compute average rainfall over a box (say 10-20N/60-90E) from wrf output using the NCL script. </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">I am also using MET software for verification, I converted the rainfall from wrfout files into netcdf files (I named them as <a href="http://model24_2011060100.nc" target="_blank">model24_2011060100.nc</a>) using the PCP_COMBINE tool <a href="http://model24_2011060100.nc" target="_blank">model24_2011060100.nc</a> file has ONLY rainfall data. </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">Now my confusion is as follows. </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">Do I have to use the destaggering function for this data file before I calculate area average???. </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">1. I saw the ncl scripts that use the wrfout file directly.</span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><a href="http://www2.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/PRECIP/wrf_Precip.ncl" style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(0,104,207);font-size:15px;background-color:rgb(255,255,255)" target="_blank">http://www2.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/PRECIP/wrf_Precip.ncl</a><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">2. there is destaggering function </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><a href="http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_unstagger.shtml" style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(0,104,207);font-size:15px;background-color:rgb(255,255,255)" target="_blank">http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_unstagger.shtml</a><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">In anticipation ...................................... </span><br style="text-indent:0px!important;line-height:21.2999992370605px;color:rgb(68,68,68);font-size:15px;background-color:rgb(255,255,255)"><span class="HOEnZb"><font color="#888888"><span style="text-indent:0px!important;color:rgb(68,68,68);font-size:15px;line-height:21.2999992370605px;background-color:rgb(255,255,255)">geeta</span></font></span></div><div> </div></div></div><br>_______________________________________________<br>
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