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    <p>After upgrading to NCL 6.5, all is well with ncl_filedump.  It's
      possible that under 6.3 some of the environment variables were not
      set correctly.</p>
    <p>Thank you Dennis and everyone on the Ncl-talk listserv.</p>
    <p>Jim<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 07/19/2018 08:13 PM, Dennis Shea
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:E228F8A9-854B-414B-A5C8-851155F049FF@ucar.edu">
      <meta http-equiv="content-type" content="text/html; charset=utf-8">
      <div>Can you please send ncl-talk the output from: </div>
      <div id="AppleMailSignature"><br>
      </div>
      <div id="AppleMailSignature">%> uname  -a</div>
      <div id="AppleMailSignature"><br>
      </div>
      <div id="AppleMailSignature">%> gcc -V</div>
      <div id="AppleMailSignature"><br>
      </div>
      <div id="AppleMailSignature">--- yes. I think upgrading to 6.5.0
        would. E a good idea. </div>
      <div id="AppleMailSignature"><br>
      </div>
      <div id="AppleMailSignature">D<br>
        <br>
        Sent from my iPhone</div>
      <div><br>
        On Jul 19, 2018, at 8:18 PM, Jim Means <<a
          href="mailto:jim@weatherextreme.com" moz-do-not-send="true">jim@weatherextreme.com</a>>
        wrote:<br>
        <br>
      </div>
      <blockquote type="cite">
        <div>
          <meta http-equiv="Content-Type" content="text/html;
            charset=utf-8">
          <p>Thank you Dennis.  Unfortunately, I still just get the
            error message, so apparently it's something peculiar to my
            machine.  I wonder if there could possibly be something
            wrong in the way I've configured NCL? <br>
          </p>
          <p>I could update to the latest version of NCL.</p>
          <p>Jim<br>
          </p>
          <br>
          <div class="moz-cite-prefix">On 07/19/2018 06:53 PM, Dennis
            Shea wrote:<br>
          </div>
          <blockquote type="cite"
cite="mid:CAOF1d_55BRqJ=FUCktnnnVtumDJDAJGwoAp1VU7gBT7DdASRRA@mail.gmail.com">
            <div dir="ltr">
              <div>Jim<br>
                <br>
              </div>
              NCL 6.3.0 handles the WRF grib2 file just fine [well, 
              99%]. <br>
              <br>
              %> <b>ncl_filedump</b> 1807190600_wrfout_arw_d02.grb2 
              <b>| less</b><br>
              <div><br>
              </div>
              <div>There is only <b>one initial time</b>  and <b>one
                  forecast time</b> on the file. If you want single
                dimension included in the dimensioning:<br>
                <br>
                %> <b>ncl_filedump</b>
                1807190600_wrfout_arw_d02.grb2 <b>-itime</b> <b>-ftime</b> 
                <b>| less</b><br>
                <br>
                %> <b>ncl_filedump</b>
                1807190600_wrfout_arw_d02.grb2 <b>-itime</b> <b>-ftime</b>  
                >&!   out.<b>630_itime_ftime</b>.1807190600_wrfout<wbr>_arw_d02<br>
                <br>
              </div>
              <div>Within an NCL script:   <a
href="https://www.ncl.ucar.edu/Document/Functions/Built-in/setfileoption.shtml"
                  moz-do-not-send="true">https://www.ncl.ucar.edu/Document/Functions/Built-in/setfileoption.shtml</a><br>
                <br>
                   <b>setfileoption</b>("grb","SingleEle<wbr>mentDimensions","Initial_time"<wbr>)<br>
              </div>
              <div>or<br>
                   <b>setfileoption</b>("grb","SingleEle<wbr>mentDimensions",
                (/"Initial_time","Forecast<wbr>_time"/))<br>
                <br>
              </div>
              <div><br>
                ===<br>
              </div>
              <div>I have also tried the recently released 6.5.0<br>
                <br>
              </div>
              <div>You get the exact same result.<br>
                <br>
                ===<br>
              </div>
              <div>NOTE:<br>
              </div>
              <div><br>
              </div>
              <div><br>
                [a]  Some of the descriptive attributes:<br>
                <br>
                      float <b>REFC_P8_L10_GLC0_max30min</b> (
                initial_time0_hours, ygrid_0, xgrid_0 )<br>
                         center :       US National Weather Service -
                NCEP (WMC)<br>
                         production_status :    Operational products<br>
                         long_name :    Composite reflectivity<br>
                         units :        dB<br>
                         _FillValue :   1e+20<br>
                         coordinates :  gridlat_0 gridlon_0<br>
                         grid_type :    Lambert Conformal can be secant
                or tangent, conical or bipolar<br>
                         parameter_discipline_and_categ<wbr>ory :   
                Meteorological products, Forecast radar imagery<br>
                         parameter_template_discipline_<wbr>category_number
                :        ( 8, 0, 16, 5 )<br>
                         level_type :   Entire Atmosphere<br>
                         level :         0<br>
                <b>         type_of_statistical_processing :      
                  Maximum<br>
                           statistical_process_duration : 30 minutes
                  (ending at forecast time)</b><br>
                         forecast_time :        780<br>
                         forecast_time_units :  minutes<br>
                <br>
              </div>
              <div>[b] <b>Warning messages<br>
                  <br>
                </b></div>
              <div><b>The variables are unpacked correctly!!<br>
                  <br>
                </b></div>
              <div>NCL uses look-up tables to match-up parameter id
                numbers with information such as lon_name, units, etc.<br>
              </div>
              <div>Unfortunately, GRIB is a moving target and NCL
                developers are not privy to information or it is just
                not publicly available.<br>
                <br>
              </div>
              <div>So, for example:<br>
              </div>
              <div><br>
                <b>warning: Entry (243)</b> not found in code table file
/Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.2.0.1.table<br>
              </div>
              <div>NCL unpacks the variables and creates the appropriate
                dimension names. It just does not have the needed lookup
                info.<br>
              </div>
              <div><br>
                      float <b>VAR</b>_0_1_<b>243</b>_P0_L1_GLC0 (
                initial_time0_hours, ygrid_0, xgrid_0 )<br>
                         center :       US National Weather Service -
                NCEP (WMC)<br>
                         production_status :    Operational products<br>
                         long_name :    unknown variable name<br>
                         units :        unknown<br>
                         _FillValue :   1e+20<br>
                         coordinates :  gridlat_0 gridlon_0<br>
                         grid_type :    Lambert Conformal can be secant
                or tangent, conical or bipolar<br>
                         parameter_discipline_and_<wbr>category :    <b>Meteorological
                  products, Moisture</b><br>
                         parameter_template_discipline_<wbr>category_number
                :        ( 0, 0, 1, 243 )<br>
                         level_type :  <b> Ground or water surface</b><br>
                         level :         0<br>
                         forecast_time :        780<br>
                         forecast_time_units :  minutes<br>
                <br>
              </div>
              <div>HTH<br>
              </div>
              <div>D<br>
              </div>
              <br>
            </div>
            <div class="gmail_extra"><br>
              <div class="gmail_quote">On Thu, Jul 19, 2018 at 2:26 PM,
                Jim Means <span dir="ltr"><<a
                    href="mailto:jim@weatherextreme.com" target="_blank"
                    moz-do-not-send="true">jim@weatherextreme.com</a>></span>
                wrote:<br>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  <div text="#000000" bgcolor="#FFFFFF">
                    <p>Hello,</p>
                    <p>I am trying to find out what's inside a grib2
                      file created by WRF, and I'm attempting to use
                      ncl_filedump to find out the details. I'm running
                      ncl_filedump with no options:</p>
                    <p>ncl_filedump 1807190600_wrfout_arw_d02.grb2<br>
                    </p>
                    <p>and I get</p>
                    <p>fatal:NclGRIB2: Invalid Product Definition
                      Template.<br>
                      <br>
                      Variable: f<br>
                      Type: file<br>
                      (0) File Missing Value : -1<br>
                      <br>
                    </p>
                    <p>What am I doing wrong?</p>
                    <p><br>
                    </p>
                    <p>Thanks,</p>
                    <p>Jim<span class="HOEnZb"><font color="#888888"><br>
                        </font></span></p>
                    <span class="HOEnZb"><font color="#888888">
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                          <p
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      <p style="text-decoration:none; color:#000000; font-size:13px;
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        D. Means, Ph.D.<br>
        <span style="font-size:10px; font-family: 'Roboto', sans-serif;">Senior
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