<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Steven,<div><br></div><div>If you have wgrib2 and g2grb.gs, you can create a grib2 file for your subregion using grads.</div><div><br></div><div>See:</div><div><br></div><div><a href="http://www.cpc.ncep.noaa.gov/products/wesley/g2grb.html">http://www.cpc.ncep.noaa.gov/products/wesley/g2grb.html</a></div><div><br></div><div>Here is an example that would put 6 records in a single grib2 file:</div><div><div>'open your_file.ctl'</div><div>'set x __ __'</div><div>'set y __ __ '</div><div>'g2grb h(lev=1000) extrap.grb HGT:1000 mb:anl:packing=j:center=7'</div><div>'g2grb h(lev=925) +extrap.grb HGT:925 mb:anl:packing=j:center=7'</div><div>'g2grb h(lev=850) +extrap.grb HGT:850 mb:anl:packing=j:center=7'</div><div>'g2grb h(lev=700) +extrap.grb HGT:700 mb:anl:packing=j:center=7'</div><div>'g2grb h(lev=600) +extrap.grb HGT:600 mb:anl:packing=j:center=7'</div><div>'g2grb h(lev=500) +extrap.grb HGT:500 mb:anl:packing=j:center=7'</div><div><br></div><div><br></div><div>Lee</div><div><div>On Jan 7, 2012, at 9:31 AM, Steven Weiss wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div bgcolor="#ffffff"><div><font face="Arial" size="2">Hi,</font></div><div><font face="Arial" size="2"></font> </div><div><font face="Arial" size="2">I've got a grib2 file and would like to get a lat/lon sub region.</font></div><div><font face="Arial" size="2">I've seen lats4d can do this but it creates grib1 files. I'd like a grib2 file.</font></div><div><font face="Arial" size="2"></font> </div><div><font face="Arial" size="2">Any ideas ?</font></div><div><font face="Arial" size="2"></font> </div><div><font face="Arial" size="2">Regards</font></div><div><font face="Arial" size="2">Steven</font></div>_______________________________________________<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></div></blockquote></div><br></div></body></html>