<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=""><font face="Times" size="4" class="">Hi there,</font><div class=""><font face="Times" size="4" class=""><br class=""></font></div><div class=""><font face="Times" size="4" class="">I met with a problem in reading nc files.</font></div><div class=""><font face="Times" size="4" class="">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 face="Menlo" size="4" class="">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 face="Times" class="">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 face="Times" class="">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 face="Times" class=""><br class=""></font></span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><font face="Times" class="">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 face="Times" class=""><br class=""></font></span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><font face="Times" class="">Thanks,</font></span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class=""><font face="Times" class="">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></body></html>