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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you both for your excellent responses. They will help me and hopefully future grads users. I will try them later today. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cordially,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-Mike <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gradsusr-bounces@gradsusr.org [mailto:gradsusr-bounces@gradsusr.org] <b>On Behalf Of </b>Muhammad Yunus Ahmad Mazuki<br><b>Sent:</b> Wednesday, March 06, 2013 9:30 PM<br><b>To:</b> GrADS Users Forum<br><b>Subject:</b> Re: [gradsusr] Determining the max temp in a vertical layer.<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Using a daouble max will let you search in an area, while using triple max will let you search in a volume. Using a singe max, you need to specifiy specific lat and lon. <br><br>'set lon 90'<br>'set lat 45'<br>'d max(temperature,lev=1000,lev=500)'<br>'d maxloc(temperature,lev=1000,lev=500)'<br>Or<br>'set lon 90'<br>'d max(max(temperature,lat=60,lat=20),lev=1000,lev=500)'<br>'d maxloc(max(temperature,lat=60,lat=20),lev=1000,lev=500)'<br>Or<br>'d max(max(max(temperature,lon=0,lon=90),lat=60,lat=20),lev=1000,lev=500)'<br>'d maxloc(max(max(temperature,lon=0,lon=90),lat=60,lat=20),lev=1000,lev=500)'<br> <br>You can also add one more max for t as well, but that is going to take more processing time. Alternatively, you can also use amax for area maximum. I do hope that soon, a volume max function will be added.<br><br><o:p></o:p></p><div><p class=MsoNormal>On Thu, Mar 7, 2013 at 1:45 AM, Jeff Duda <<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>What about just <br>'d max(temperature,lev=1000,lev=500)'?<br><br>Jeff Duda<o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Mar 6, 2013 at 11:14 AM, Stephen McMillan <<a href="mailto:smcmillan@planalytics.com" target="_blank">smcmillan@planalytics.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Mike,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I think the following is what you want, for example where the vertical variable is tmpprs:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>'d maxloc(tmpprs,lev=1000,lev=500)'<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>should return the z-level of the max temp between and including the two levels.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also see <a href="http://grads.iges.org/grads/gadoc/gradfuncmaxloc.html" target="_blank">http://grads.iges.org/grads/gadoc/gradfuncmaxloc.html</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Stephen Mc<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal>On Wed, Mar 6, 2013 at 11:45 AM, Mike Dross <<a href="mailto:mwdross@gmail.com" target="_blank">mwdross@gmail.com</a>> wrote:<o:p></o:p></p></div></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal>Hi,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am trying to figure out how to find the maximum temperature in a vertical layer, between the surface and 500 millibars. I have searched through the gradsusrs digest and can't<o:p></o:p></p></div><div><p class=MsoNormal>quite figure out how to do it. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> Using the findlvl gives you level of a certain value, but I want the maximum value between two levels, and that function doesn't seem to do that. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> Ideally, I could do something like this <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:.5in;background:#E0F0FF'><code><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>d fndlvl (t, const(t,max), lev=psfc, lev=500)</span></code><span style='font-size:13.5pt'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in;background:#E0F0FF'><code><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>and it would give me the max temp and the level it found it</span></code><span style='font-size:13.5pt'><o:p></o:p></span></p><div><p class=MsoNormal>Any help would be appreciated. <o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks in advance!<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cordially,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-Mike <o:p></o:p></p></div><div><p class=MsoNormal><a href="mailto:mwdross@gmail.com" target="_blank">mwdross@gmail.com</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></blockquote></div></div></div></div><p class=MsoNormal><br><br clear=all><o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span class=hoenzb><span style='color:#888888'>-- </span></span><span style='color:#888888'><br><span class=hoenzb>Jeff Duda</span><br><span class=hoenzb>Graduate research assistant</span><br><span class=hoenzb>University of Oklahoma School of Meteorology</span><br><span class=hoenzb>Center for Analysis and Prediction of Storms</span><br></span><br><br><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>