<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">I am using Grid Analysis and Display System (GrADS) Version 2.0.a8 to analyze the NOAA/NCEP CFS Reanalysis dataset.<br><br>When I want to display my graphical output I get the following error message:<br><br>"Cannot contour grid - all undefined values"<br><br>Any help!?<br><br><br>Saiguran Loisulie<br>
Climate Systems Analysis Group<br>
Environmental and Geographical Science Department<br>
University of Cape Town<br>
Private Bag X3<br>
Rondebosch<br>
7701 <br>
SOUTH AFRICA<br>
<br>
CELL 0748 068 230</td></tr></table><br>