<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html><body style='font-size: 10pt; font-family: Tahoma,Arial,Helvetica,sans-serif'>
<p>Hi jeff,</p>
<p>I was using this grads server link <span>http://nomads.ncep.noaa.gov:9090/dods/gens/gens20160120/gep_all_00z</span> but ill download the grib files and try it that way. As for the 'Anomaly' question I was actually on about GFS data. I would like to produce a 500mb height anomaly like the image attached but dint know how to define this. </p>
<p> </p>
<p>regards,</p>
<p>Stuart.</p>
<p> </p>
<p>On 20-01-2016 15:10, Jeff Duda wrote:</p>
<blockquote type="cite" style="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div dir="ltr">
<div>
<div>
<div>
<div>From my experience with GEFS data, each ensemble member is contained in a separate file. So I hope your control file uses templating and has an EDEF entry. If it doesn't, or you don't have all the data files, then that explains why your 'define ensmean=ave(t850,e=1,e=21)' command is just giving you the control member (because it's the only one present).<br /><br /></div>
I assume by "anomaly" you mean the difference between a given ensemble member and the ensemble mean. In that case, just plot the difference field between an ensemble member and the ensemble mean. For instance,<br /><br /></div>
'set e 2'</div>
'd tmpprs - ensmean'<br /><br /></div>
Jeff Duda</div>
<div class="gmail_extra"><br />
<div class="gmail_quote">On Wed, Jan 20, 2016 at 8:05 AM, Chorley Weather <span><<a href="mailto:weatherstu@chorleyweather.com">weatherstu@chorleyweather.com</a>></span> wrote:<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><span style="text-decoration: underline;"></span>
<div style="font-size: 10pt; font-family: Tahoma,Arial,Helvetica,sans-serif;">
<p>Hi all,</p>
<p> </p>
<p>I have a couple of questions, firstly I am trying get the mean run in a spaghetti graph of the GEFS but I seem to keep getting the control run. Here is the script:</p>
<p>'set t 1 65'<br />'set e 1'<br />'set csmooth on'<br />'set cmark 0'<br />'set lat 53';'set lon -2.23'<br />'set vrange -30 30'<br />'define t850=tmpprs(lev=850)-273.16'<br />'define ensmean=ave(t850,e=1,e=21)'<br />'set gxout line'<br />'set ccolor 2'<br />'set cthick 8'<br />'d ensmean'</p>
<p> </p>
<p>Second question, using the GFS how do I produce anomaly charts with this script, im not sure how to define it.....</p>
<p>'set t 'i<br />'set grads off'<br />'set csmooth on'<br />'define geopotdam = hgtprs(lev=500)/10'<br />'color -gxout shaded -30 30 1 -kind blue->white->red-> -xcbar 10.1 10.3 0.7 7.74 -fs 10'</p>
<p> </p>
<p>Regards,</p>
<div>-- <br />
<p>Stuart Markham</p>
<p><img src="./?_task=mail&_id=1101846189569faa569e38a&_action=display-attachment&_file=rcmfile30871453304407050656400" alt="" /></p>
</div>
</div>
<br />_______________________________________________<br /> gradsusr mailing list<br /> <a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br /> <a href="http://gradsusr.org/mailman/listinfo/gradsusr">http://gradsusr.org/mailman/listinfo/gradsusr</a><br /> </blockquote>
</div>
<br /><br clear="all" /><br />-- <br />
<div class="gmail_signature">Jeff Duda<br />Graduate research assistant<br />University of Oklahoma School of Meteorology<br />Center for Analysis and Prediction of Storms</div>
</div>
<br />
<pre>_______________________________________________
gradsusr mailing list
<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>
<a href="http://gradsusr.org/mailman/listinfo/gradsusr">http://gradsusr.org/mailman/listinfo/gradsusr</a>
</pre>
</blockquote>
<p> </p>
<div>-- <br />
<p>Stuart Markham</p>
<p><img src="http://www.chorleyweather.com/forecast-charts/SampleDatasets/logo%20450x100.PNG" alt="" /></p>
</div>
</body></html>