<div dir="ltr">Hi:<div><br></div><div>I have used the helpful suggestions offered through ncl-talk to create</div><div>the attached program that reads multiple GEFS files from multiple GEFS directories (on your disk).</div><div><br></div><div>Of course, any one on the list can use this program, but I would like to upload it again after I solve this problem.</div><div><br></div><div>As part of my calculations for the GEFS mean, I need to create a variable called t2m_ave. However, when I use it I get get the error below.</div><div><br></div><div>If I use a variable from the GEFS*grb files that I don't need in place of it, I can make very nice plots of the mean surface temperature. This means that these variables already have grid information attached to them.</div><div><br></div><div>The page: <a href="http://www.ncl.ucar.edu/Document/Graphics/error_msg.shtml">http://www.ncl.ucar.edu/Document/Graphics/error_msg.shtml</a></div><div><br></div><div>has a suggestion what to do, but I am not sure what "x" is, and how to use the suggestion.</div><div><br></div><div>The upshot is that I need to attach geographical information to my "average variables," and I don't know how to do this.</div><div><br></div><div><div>check_for_y_lat_coord: Warning: Data either does not contain a valid latitude coordinate array or doesn't contain one at all.</div><div>(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>A valid latitude coordinate array should have a 'units' attribute equal to one of the following values: </div><div>(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> 'degrees_north' 'degrees-north' 'degree_north' 'degrees north' 'degrees_N' 'Degrees_north' 'degree_N' 'degreeN' 'degreesN' 'deg north'</div><div>(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>check_for_lon_coord: Warning: Data either does not contain a valid longitude coordinate array or doesn't contain one at all.</div><div>(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>A valid longitude coordinate array should have a 'units' attribute equal to one of the following values: </div><div>(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> 'degrees_east' 'degrees-east' 'degree_east' 'degrees east' 'degrees_E' 'Degrees_east' 'degree_E' 'degreeE' 'degreesE' 'deg eas</div>-- <br><div class="gmail_signature"><div dir="ltr">Barry H. Lynn, Ph.D<div><div>Senior Lecturer,</div><div><div><span style="color:rgb(136,136,136)">The Institute of the Earth Science, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">The Hebrew University of Jerusalem, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Givat Ram, Jerusalem 91904, Israel </span><br style="color:rgb(136,136,136)"></div><span style="color:rgb(136,136,136)">Tel: 972 547 231 170</span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Fax: (972)-25662581</span></div></div><div><span style="color:rgb(136,136,136)"><br></span></div><div>C.E.O, Weather It Is, LTD<br>Weather and Climate Focus<br><a href="http://weather-it-is.com" target="_blank">http://weather-it-is.com</a><br>Jerusalem, Israel<br>Local: 02 930 9525<br>Cell: 054 7 231 170<br>Int-IS: x972 2 930 9525<br>US 914 432 3108<br></div></div></div>
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