The following should get it done:<br><br>'open (uwnd file)'<br>'open (vwnd file)'<br><br>'set lev 850'<br><br>'define ushear = uwnd(lev=200) - uwnd'<br>'define vshear = vwnd.2(lev=200) - vwnd.2'<br>
<br>'set gxout vector (or barb)'<br>'d skip(ushear,2 [or whatever value you'd like]);vshear'<br><br>Jeff Duda<br><br><div class="gmail_quote">On Thu, Aug 23, 2012 at 2:31 AM, kalyan chakravarthy <span dir="ltr"><<a href="mailto:kalyan4space@gmail.com" target="_blank">kalyan4space@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br clear="all"><div>Dear Users</div><div><br></div><div>Am having two netcdf files 1. uwnd 2. vwnd (ncep/ncar reanalysis)</div>
<div>Have to calculate shear between 850 & 200 levels</div><div>i.e uwnd at (850 & 200), vwnd at (850 & 200) </div>
<div>now have to fix the levels fixed (i.e 850 & 200) for these files</div><div>hence want to find shear between these two levels</div><div>can anybody help?</div><span class="HOEnZb"><font color="#888888"><div><br>
</div>-- <br><div><span style="font-family:'comic sans ms',sans-serif">Regards..</span></div>
<div><span style="font-family:'comic sans ms',sans-serif">Y.Kalyan Chakravarthy</span></div><div>Indian Meteorological Department</div><div>New Delhi</div><div><br></div><div><div><span style="background-color:rgb(231,244,216)"><i><font color="#009900" face="georgia, serif">" No single technology will stop global warming, but there is a silver bullet: </font></i></span></div>
<div><font color="#009900"><span style="background-color:rgb(231,244,216)"><i><font face="georgia, serif">a cap on carbon that will launch all these solutions into the mainstream".</font></i></span></font></div></div>
<div><br></div><div><br></div><div><div><font face="'comic sans ms', sans-serif"><br></font><br></div></div><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br><br>