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<body class='hmmessage'><div dir='ltr'>Thanks for your reply. <div>I don't know how to answer your question "<span style="font-size: 12pt;">Do you think your sounding was unstable?</span><span style="font-size: 12pt;">"</span></div><div><span style="font-size: 12pt;">What I showed is the JJA-averaged nighttime profile over the Great Plains (the middle box in the spatial distribution). In terms of the profile of potential </span>temperature<span style="font-size: 12pt;">, it is </span>definitely<span style="font-size: 12pt;"> stable (statically stable?).</span></div><div><span style="font-size: 12pt;"><br></span></div><div><span style="font-size: 12pt;">Thanks</span></div><div><span style="font-size: 12pt;">Xiaoming </span></div><div><br><div><hr id="stopSpelling">Date: Wed, 11 May 2016 10:30:49 -0600<br>Subject: Re: [ncl-talk] nighttime zero cape from skewT_PlotData ?<br>From: shea@ucar.edu<br>To: yuanfangcan@hotmail.com<br>CC: ncl-talk@ucar.edu<br><br><div dir="ltr">Really, someone would have to track the calculations to see what is happening.<br><br><br><div><br>Sometimes it helps to look at ncl-talk archives. A recent thread on CAPE:<br><div><br><a href="http://mailman.ucar.edu/pipermail/ncl-talk/2016-April/005509.html" target="_blank">http://mailman.ucar.edu/pipermail/ncl-talk/2016-April/005509.html</a><br><br></div><div>As noted: Numerous CAPE algorithms were tested. The resulting CAPE estimates varied considerably.<br><br></div><div>Do you think your sounding was unstable?<br><br>====<br><br></div></div></div><div class="ecxgmail_extra"><br><div class="ecxgmail_quote">On Wed, May 11, 2016 at 7:45 AM, xiaoming Hu <span dir="ltr"><<a href="mailto:yuanfangcan@hotmail.com" target="_blank">yuanfangcan@hotmail.com</a>></span> wrote:<br><blockquote class="ecxgmail_quote" style="border-left:1px #ccc solid;padding-left:1ex;">
<div><div dir="ltr"><div><div dir="ltr">I got 0 cape from skewT_PlotData always during nighttime. see: <div><div style="display:inline-block;"><a href="http://www.caps.ou.edu/micronet/WRF-UCM/FocusON_OKC/WRFV3.7.1/with_rr_fixed/wrfNCEP_DOE2d_UCM_Snudge_WangRec53waveCU14YSUparameterp_1.2005060100/wrfout_d01_skewt_1.png" target="_blank">http://www.caps.ou.edu/micronet/WRF-UCM/FocusON_OKC/WRFV3.7.1/with_rr_fixed/wrfNCEP_DOE2d_UCM_Snudge_WangRec53waveCU14YSUparameterp_1.2005060100/wrfout_d01_skewt_1.png</a></div></div><div><div style="display:inline-block;"> <span> </span> </div></div><div><span style="font-size:12pt;">which is different from what I got from </span></div><div><div> cinfo = wrf_cape_2d(pres , tk, q, z, HGT, PSFC, True )</div><div> mcape = cinfo(0,:,:)</div><div><div style="display:inline-block;"> <span> </span> <div style="display:inline-block;"><img src="cid:inlineImage0" height="564" width="700"></div> <span> </span></div><br></div><div>Apparently <span style="font-size:12pt;">wrf_cape_2d gives non-zero values. </span></div><div><span style="font-size:12pt;"><br></span></div><div>Anything wrong for one of them? </div><div><br></div><div>Thanks</div><div>Xiaoming </div><div><div style="display:inline-block;"><span><br></span></div></div><div><br></div><br><div><hr>Date: Fri, 22 Apr 2016 14:51:24 -0600<br>Subject: Re: [ncl-talk] Where to download 6.4.0 right now?<br>From: <a href="mailto:haley@ucar.edu" target="_blank">haley@ucar.edu</a><br>To: <a href="mailto:yuanfangcan@hotmail.com" target="_blank">yuanfangcan@hotmail.com</a><br>CC: <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br><br><div dir="ltr"><div style="font-size:small;">Xiaoming,</div><div style="font-size:small;"><br></div><div style="font-size:small;">We've been testing "conda" as a distribution mechanism for NCL, and we have a test version of NCL that you can try using this. Please note that this is a TEST version, as we haven't released V6.4.0 yet. This version does have the cape_2d fix.</div><div style="font-size:small;"><br></div><div style="font-size:small;">Here's how to get "conda"</div><div style="font-size:small;"><br></div><div style="font-size:small;">1) Download "miniconda" from:</div><div style="font-size:small;"><br></div><div><a href="http://conda.pydata.org/miniconda.html" target="_blank">http://conda.pydata.org/miniconda.html</a><br></div><div><br></div><div>Get the Python 2.7 version and not Python 3.5.</div><div><br></div><div>2) Install from a UNIX terminal window by typing:</div><div><br></div><div><font face="monospace, monospace">conda create --name ncl_test --channel dbrown --channel khallock ncl</font></div><div><br></div><div>This creates a conda environment called "ncl_test" in which you switch in and out of from your default version of NCL</div><div><br></div><div>3) To activate the "ncl_test" environment, type (from bash/sh):</div><div><br></div><div><font face="monospace, monospace">source activate ncl_test</font></div><div><br></div><div>4) Test NCL by typing:</div><div><br></div><div><font face="monospace, monospace">ncl -V</font></div><div><font face="monospace, monospace">ng4ex xy01n -clean</font></div><div><br></div><div>If you have problems with the conda version, we would like to know about this right away, as we are still testing it out.</div><div><br></div><div>Thanks,</div><div><br></div><div>--Mary</div><div><br></div></div><div><br><div>On Fri, Apr 22, 2016 at 2:26 PM, xiaoming Hu <span dir="ltr"><<a href="mailto:yuanfangcan@hotmail.com" target="_blank">yuanfangcan@hotmail.com</a>></span> wrote:<br><blockquote style="border-left:1px #ccc solid;padding-left:1ex;">
<div><div dir="ltr"><div>I noticed </div><div><table border="1"><tbody><tr><td valign="top"><em>cape_2d</em> </td><td>Returns 2D fields mcape/mcin/lcl/lfc
<b>Bug fixed in NCL V6.4.0</b><br></td></tr></tbody></table></div><div><br></div><div>Where to download 6.4.0 right now? </div><div><br></div><div>Thanks</div><span><font color="#888888"><div>Xiaoming </div> </font></span></div></div>
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