<div dir="ltr">Hi Toni,<div>The spei function no longer exists within NCL. Some previous ncl-talk postings on this subject that may help:</div><div><a href="http://mailman.ucar.edu/pipermail/ncl-talk/2017-April/008674.html">http://mailman.ucar.edu/pipermail/ncl-talk/2017-April/008674.html</a><br></div><div><a href="http://mailman.ucar.edu/pipermail/ncl-talk/2018-February/011589.html">http://mailman.ucar.edu/pipermail/ncl-talk/2018-February/011589.html</a><br></div><div><br></div><div>Adam</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 27, 2019 at 8:15 AM Toni Klemm via ncl-talk <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;">Good morning all,<div><br></div><div>I need to calculate the Standardized Precipitation Evapotranspiration Index (SPEI) and found a previous NCL talk conversation about an NCL function "spei()" (<a href="http://mailman.ucar.edu/pipermail/ncl-talk/2016-February/005132.html" target="_blank">http://mailman.ucar.edu/pipermail/ncl-talk/2016-February/005132.html</a>) built into to version 6.3.1 or later. However, I can’t find the function on the NCL website anymore. Does it still exist, and if not, what would be a good alternative to calculate SPEI in NCL now?</div><div><br></div><div>I appreciate any help! </div><div><br></div><div>Best,</div><div>Toni<br><div>
<div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div><br><br><b>Toni Klemm, Ph.D.<br></b>Postdoctoral Research Associate<br>Department of Ecosystem Science and Management<br>College of Agriculture and Life Sciences<br>Texas A&M University, College Station, TX<br><a href="http://www.toni-klemm.de" target="_blank">www.toni-klemm.de</a> | <a href="http://www.twitter.com/toniklemm" target="_blank">@toniklemm</a><br>Editorial Board member, <a href="http://www.eccforum.org" target="_blank">Early Career Climate Forum</a><br><br><br><br><br><br><br><br></div></div></div></div>
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