<div dir="ltr">Hello all,<div><br></div><div>I tried to plot a simple map but I got warnings. Here is my code and warnings:</div><div><br></div><div><div><br></div><div>;*********** From Observation **********</div><div><br></div><div>ana=addfile(&quot;NOaerosol_allsky_3DQ.nc&quot;,&quot;r&quot;)</div><div>lat2=ana-&gt;lat</div><div>lon2=ana-&gt;lon</div><div>lev2=ana-&gt;lev/10</div><div>Absp3D=ana-&gt;Absp3D ; Atmospheric heating (K/sec)</div><div>Absp=ana-&gt;Absp     ; Solar radiation absorption in the atmosphere (W/m^2)</div><div>Sfc=ana-&gt;Sfc       ; Surface net flux (W/m^2)</div><div><br></div><div>delete(ana)</div><div><br></div><div>;********* T&#39;s data *************</div><div>;z1 = asciiread(&quot;Absp.dat&quot;,(/12,128,64,26/),&quot;float&quot;)</div><div>z1 = asciiread(&quot;Absp.dat&quot;,(/128,64,26,12/),&quot;float&quot;)</div><div><br></div><div>z1!1=&quot;lat&quot;</div><div>z1!0=&quot;lon&quot;</div><div>;Coordinate</div><div>z1&amp;lat=lat2</div><div>z1&amp;lon=lon2</div><div><br></div><div><br></div><div>wks = gsn_open_wks(&quot;eps&quot;,&quot;T_Atmospheric_heating_26&quot;)</div><div><br></div><div>;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;</div><div>  res                     = True               ; plot mods desired</div><div>  res@cnFillOn            = True              ; turn on color   </div><div>  res@gsnSpreadColors     = True               ; use full color map</div><div>  res@cnLinesOn           = False              ; no contour lines</div><div>  res@cnLineLabelsOn      = False              ; no line labels</div><div><br></div><div>  res@mpMaxLatF =  87.8638                         ; specify the plot domain</div><div>  res@mpMinLatF = -87.8638                         ;                         </div><div>  res@mpMinLonF = 0                          ;</div><div>  res@mpMaxLonF = 357.1875     </div><div> </div><div>  res@gsnAddCyclic        = False </div><div><br></div><div>  res@cnLevelSelectionMode =  &quot;AutomaticLevels&quot;   ; AutomaticLevels</div><div><br></div><div><br></div><div>  ;res@cnLevelSelectionMode =  &quot;ManualLevels&quot;   ; AutomaticLevels</div><div>  ;res@cnMinLevelValF       = -15.              ; min level</div><div>  ;res@cnMaxLevelValF       =  15.               ; max level</div><div>  ;res@cnLevelSpacingF      =  1.               ; interval</div><div><br></div><div>;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;</div><div>res@tiMainString        = &quot;Atmospheric Heating in Jan at 26th level&quot;</div><div><br></div><div>plot= gsn_csm_contour_map(wks,z1(:,:,25,0),res)</div><div>delete(wks)</div><div><br></div></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>







<p class="gmail-p1"><span class="gmail-s1">0)     check_for_y_lat_coord: Warning: Data either does not contain a valid latitude coordinate array or doesn&#39;t contain one at all.</span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)     A valid latitude coordinate array should have a &#39;units&#39; attribute equal to one of the following values: </span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)         &#39;degrees_north&#39; &#39;degrees-north&#39; &#39;degree_north&#39; &#39;degrees north&#39; &#39;degrees_N&#39; &#39;Degrees_north&#39; &#39;degree_N&#39; &#39;degreeN&#39; &#39;degreesN&#39; &#39;deg north&#39;</span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)     check_for_lon_coord: Warning: Data either does not contain a valid longitude coordinate array or doesn&#39;t contain one at all.</span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)     A valid longitude coordinate array should have a &#39;units&#39; attribute equal to one of the following values: </span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)         &#39;degrees_east&#39; &#39;degrees-east&#39; &#39;degree_east&#39; &#39;degrees east&#39; &#39;degrees_E&#39; &#39;Degrees_east&#39; &#39;degree_E&#39; &#39;degreeE&#39; &#39;degreesE&#39; &#39;deg east&#39;</span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)     gsn_csm_map_ce: Warning: you set mpMaxLonF to a value &gt; 180, but</span></p>
<p class="gmail-p1"><span class="gmail-s1">(0)                     didn&#39;t set mpCenterLonF. Setting mpCenterLonF to 178.594</span></p><p class="gmail-p1"><span class="gmail-s1"><br></span></p><p class="gmail-p1"><span class="gmail-s1"><br></span></p><p class="gmail-p1"><span class="gmail-s1"><br></span></p><p class="gmail-p1">Thanks,</p><p class="gmail-p1">Ana</p></div></div>