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    Hi Xinyue,<br>
    <br>
    please, send the output of <b>ncl_filedump</b> from
    MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc<br>
    <br>
    -Karin<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Am 22.12.17 um 10:16 schrieb Wang
      Xinyue via ncl-talk:<br>
    </div>
    <blockquote type="cite"
      cite="mid:D8873B69-6766-489C-B88A-A3E2AAC22E5C@dc.tohoku.ac.jp">
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      <font class="" face="Times" size="4">Hi there,</font>
      <div class=""><font class="" face="Times" size="4"><br class="">
        </font></div>
      <div class=""><font class="" face="Times" size="4">I met with a
          problem in reading nc files.</font></div>
      <div class=""><font class="" face="Times" size="4">I can use the
          following commands to read NCEP datasets:</font></div>
      <div class=""><br class="">
      </div>
      <div class=""><span style="background-color: rgb(255, 255, 255);"
          class=""><font class="" face="Menlo" size="4">fils =
            systemfunc("ls /.../.../ncep/omega/*.nc”)</font></span> </div>
      <div class="">
        <div style="margin: 0px; font-size: 18px; line-height: normal;
          font-family: Menlo; background-color: rgb(255, 255, 255);"
          class=""><span style="font-variant-ligatures:
            no-common-ligatures" class="">f = addfiles(fils, "r”)</span></div>
      </div>
      <div style="margin: 0px; font-size: 18px; line-height: normal;
        font-family: Menlo; background-color: rgb(255, 255, 255);"
        class=""><span style="font-variant-ligatures:
          no-common-ligatures" class=""><br class="">
        </span></div>
      <div style="margin: 0px; font-size: 18px; line-height: normal;
        background-color: rgb(255, 255, 255);" class=""><span
          style="font-variant-ligatures: no-common-ligatures;" class=""><font
            class="" face="Times">But when I use the same commands to
            read ERA-I datasets and MERRA2 datasets, it warned like
            this:</font></span></div>
      <div style="margin: 0px; font-size: 18px; line-height: normal;
        background-color: rgb(255, 255, 255);" class=""><span
          style="font-variant-ligatures: no-common-ligatures;" class=""><br
            class="">
        </span></div>
      <div style="margin: 0px; font-size: 18px; line-height: normal;
        background-color: rgb(255, 255, 255);" class=""><span
          style="font-variant-ligatures: no-common-ligatures;" class="">
          <div style="margin: 0px; line-height: normal; font-family:
            Menlo;" class=""><span style="font-variant-ligatures:
              no-common-ligatures" class="">warning:_NclOpenFile: Can
              not open file
              </.../.../merra2/MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc>;
              file format not supported or file is corrupted</span></div>
          <div style="margin: 0px; line-height: normal; font-family:
            Menlo;" class=""><span style="font-variant-ligatures:
              no-common-ligatures" class=""><br class="">
            </span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures;"
              class=""><font class="" face="Times">Is anyone there had
                similar experience before? And how did you fix it?</font></span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures"
              class=""><font class="" face="Times"><br class="">
              </font></span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures"
              class=""><font class="" face="Times">Looking forward to
                your reply.</font></span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures"
              class=""><font class="" face="Times"><br class="">
              </font></span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures"
              class=""><font class="" face="Times">Thanks,</font></span></div>
          <div style="margin: 0px; line-height: normal;" class=""><span
              style="font-variant-ligatures: no-common-ligatures;"
              class=""><font class="" face="Times">Xinyue</font></span></div>
          <div style="margin: 0px; line-height: normal; font-family:
            Menlo;" class=""><span style="font-variant-ligatures:
              no-common-ligatures" class=""><br class="">
            </span></div>
        </span></div>
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      <br>
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    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
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