<html><head></head><body><div>Hello-</div><div><br></div><div>I'm trying to plot the National Blend Model (NBM) from NOAA. I can plot the entire domain using mpLimitMode="Corners"</div><div>and it looks beautiful! However, when I "zoom in" to the area I'm interested in, the data is plotted clearly offset from the map (image attached).</div><div><br></div><div>I'm using NCL Version 6.5.0, and am at my wit's end! </div><div><br></div><div><br></div><div>printVarSummary(t)</div><div><span><div>Variable: t</div><div>Type: float</div><div>Total Size: 14979860 bytes</div><div> 3744965 values</div><div>Number of Dimensions: 2</div><div>Dimensions and sizes:<span style="white-space: pre-wrap;"> </span>[ygrid_0 | 1597] x [xgrid_0 | 2345]</div><div>Coordinates: </div><div> ygrid_0: [19.229..53.05043]</div><div> xgrid_0: [-126.2766..-69.20848]</div><div>Number Of Attributes: 14</div><div> initial_time :<span style="white-space: pre-wrap;"> </span>01/28/2019 (03:00)</div><div> forecast_time_units :<span style="white-space: pre-wrap;"> </span>hours</div><div> forecast_time :<span style="white-space: pre-wrap;"> </span>1</div><div> level :<span style="white-space: pre-wrap;"> </span> 2</div><div> level_type :<span style="white-space: pre-wrap;"> </span>Specified height level above ground (m)</div><div> parameter_template_discipline_category_number :<span style="white-space: pre-wrap;"> </span>( 0, 0, 0, 0 )</div><div> parameter_discipline_and_category :<span style="white-space: pre-wrap;"> </span>Meteorological products, Temperature</div><div> grid_type :<span style="white-space: pre-wrap;"> </span>Lambert Conformal can be secant or tangent, conical or bipolar</div><div> coordinates :<span style="white-space: pre-wrap;"> </span>gridlat_0 gridlon_0</div><div> _FillValue :<span style="white-space: pre-wrap;"> </span>9999</div><div> units :<span style="white-space: pre-wrap;"> </span>K</div><div> long_name :<span style="white-space: pre-wrap;"> </span>Temperature</div><div> production_status :<span style="white-space: pre-wrap;"> </span>Operational products</div><div> center :<span style="white-space: pre-wrap;"> </span>US National Weather Service - NCEP (WMC)</div><div><br></div></span><br></div><div>My code:</div><div> </div><div><span><div>begin</div><div><br></div><div>fils=systemfunc("ls *.nc")</div><div>a=addfile(fils(0),"r")</div><div><br></div><div>t=a->TMP_P0_L103_GLC0</div><div>lat2d=a->gridlat_0</div><div>lon2d=a->gridlon_0</div><div>lat=lat2d(:,0)</div><div>lon=lon2d(0,:)</div><div>t&ygrid_0=lat</div><div>t&xgrid_0=lon</div><div>t@_FillValue=9999</div><div><br></div><div>wks=gsn_open_wks("png","Temp")</div><div>res = True</div><div>res@mpProjection = "LambertConformal"</div><div><br></div><div>res@mpFillOn = False</div><div>res@cnFillOn = True</div><div>res@cnLinesOn = False</div><div>res@cnFillPalette = "amwg256"</div><div>res@tfDoNDCOverlay = True</div><div>res@gsnAddCyclic = False</div><div><br></div><div>res@mpMinLatF = 40.0</div><div>res@mpMaxLatF = 50.0</div><div>res@mpMinLonF = -125.0</div><div>res@mpMaxLonF = -105.0</div><div>res@gsnMaskLambertConformal = True</div><div><br></div><div>plot = gsn_csm_contour_map(wks,(t({40:50},{-125:-105})),res)</div><div><br></div><div>end</div><div><br></div><div><br></div><div><br></div></span><img title="Inline image" alt="Inline image" src="cid:7c185786-98c3-f69f-5dd8-21c16a172d93@yahoo.com" class="yahoo-inline-image" draggable="false" style="max-width: 800px; width: 100%;" data-id="<7c185786-98c3-f69f-5dd8-21c16a172d93@yahoo.com>"><br><br></div><div>Regards-</div><div>John</div><div class="ydp1491253cyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"></div></body></html>