<div dir="ltr">Just to clarify: T2 is 2 dimensional. It is written every time step as such. Tk and Tc are three dimensional.<div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Apr 20, 2020 at 9:00 AM Barry Lynn <<a href="mailto:barry.h.lynn@gmail.com">barry.h.lynn@gmail.com</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 dir="ltr">Zilore:<div><br></div><div>T2 is a three dimensional variable. Also, T2 is the two meter temperature. </div><div><br></div><div>You want tc or tk (see: <a href="https://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_getvar.shtml" target="_blank">https://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_getvar.shtml</a>).</div><div><br></div><div>Could you please explain how you are interpolating to 850 mb? There is a WRF program to do this, and I am not sure how the indexing you are using works. How are you indexing the 48 time slot? WRF has a program to list times, and you can match the time you want to the listed times to find the index.</div><div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Apr 20, 2020 at 8:17 AM zilore mumba via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">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><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">Sorry Rick I put in a surface variable T2 which only 3 coordinates, so I put <span>"x = a[:]->T2(0,{-15},{30})"</span>. Now I am getting error of coordinates west-east and south-north <span>not having associated coordinate variables. I have seen this error before. I will find out how to get out of it </span><br></div><div><br></div>
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On Sunday, April 19, 2020, 11:53:33 PM GMT+2, Rick Brownrigg <<a href="mailto:brownrig@ucar.edu" target="_blank">brownrig@ucar.edu</a>> wrote:
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<div><div id="gmail-m_6068840966308618005gmail-m_-3194069802701244055yiv0600931807"><div><div dir="ltr"><div>Perhaps do a printVarSummary(a[0]->T2) ; it sounds like its not the shape you think it might/should be; i.e. 3D vs 4D</div><div><br clear="none"></div><div><br clear="none"></div></div><br clear="none"><div id="gmail-m_6068840966308618005gmail-m_-3194069802701244055yiv0600931807yqt33899"><div><div dir="ltr">On Sun, Apr 19, 2020 at 3:29 PM zilore mumba <<a rel="nofollow" shape="rect" href="mailto:zmumba@yahoo.com" target="_blank">zmumba@yahoo.com</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div>
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On Sunday, April 19, 2020, 11:27:47 PM GMT+2, zilore mumba <<a rel="nofollow" shape="rect" href="mailto:zmumba@yahoo.com" target="_blank">zmumba@yahoo.com</a>> wrote:
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<div dir="ltr">Thanks Rick, that is close. The error am getting now is:</div><div dir="ltr"> <span>fatal:Number of subscripts on rhs do not match number of dimensions of aggregated cat type variable, (4) Subscripts used, (3) Subscripts expected</span><br clear="none"></div><div><br clear="none"></div>
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On Sunday, April 19, 2020, 10:17:12 PM GMT+2, Rick Brownrigg <<a rel="nofollow" shape="rect" href="mailto:brownrig@ucar.edu" target="_blank">brownrig@ucar.edu</a>> wrote:
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<div><div id="gmail-m_6068840966308618005gmail-m_-3194069802701244055yiv0600931807gmail-m_4060975555631802753yiv7781110550"><div><div dir="ltr"><div>HI Zilore,</div><div><br clear="none"></div><div>I think the issue is that addfiles() return a *list* of filevars, where addfile returns a single filevar. Lists are indexed with [ ] notation; perhaps something like this will work:</div><div><br clear="none"></div><div> x = a[:]->T2(0,{850},{-15},{30})</div><div><br clear="none"></div><div>Rick<br clear="none"></div></div><br clear="none"><div><div id="gmail-m_6068840966308618005gmail-m_-3194069802701244055yiv0600931807gmail-m_4060975555631802753yiv7781110550yqt67703"><div dir="ltr">On Sun, Apr 19, 2020 at 1:54 PM zilore mumba via ncl-talk <<a rel="nofollow" shape="rect" href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div dir="ltr">I am trying to get time series at given locations from several WRF output files, e.g. 48H forecast temperature at 850hPa. Each file contains a day's model run.</div><div dir="ltr"> I have used ncl for years by adapting existing scripts, without really understanding. One issue I have difficulty with is getting variables from a file, especially WRF output.</div><div dir="ltr">I thought the script to get a time series at 15S, 30E would be as simple as the one below. I am able to print the varsummary, but printing x tells me that "a is not a valid file reference.</div><div dir="ltr">I would appreciate ant assistance.</div><div dir="ltr"><div>begin<br clear="none">files = systemfunc("ls -1 data/wrfout_d01_2020*") + ".nc"<br clear="none"> a = addfiles(files,"r")<br clear="none"><br clear="none"> ListSetType (a, "cat") ; concatenate (=default)<br clear="none"> tc = wrf_user_getvar(a,"tc",0)<br clear="none"> printVarSummary (tc)<br clear="none"><br clear="none"> x = a->T2(0,{850},{-15},{30})<br clear="none"> asciiwrite("outfile.txt",x)<br clear="none">end<br clear="none"><br clear="none"></div><div dir="ltr">Zilore Mumba<br clear="none"></div></div></div></div>_______________________________________________<br clear="none">
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<a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr">Barry H. Lynn, Ph.D<div><div>Senior Associate Scientist, Lecturer,</div><div><div><span style="color:rgb(136,136,136)">The Institute of the Earth Science, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">The Hebrew University of Jerusalem, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Givat Ram, Jerusalem 91904, Israel </span><br style="color:rgb(136,136,136)"></div><span style="color:rgb(136,136,136)">Tel: 972 547 231 170</span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Fax: (972)-25662581</span></div></div><div><span style="color:rgb(136,136,136)"><br></span></div><div>C.E.O, Weather It Is, LTD<br>Weather and Climate Focus<br><a href="http://weather-it-is.com" target="_blank">http://weather-it-is.com</a><br>Jerusalem, Israel<br>Local: 02 930 9525<br>Cell: 054 7 231 170<br>Int-IS: x972 2 930 9525<br><br></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Barry H. Lynn, Ph.D<div><div>Senior Associate Scientist, Lecturer,</div><div><div><span style="color:rgb(136,136,136)">The Institute of the Earth Science, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">The Hebrew University of Jerusalem, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Givat Ram, Jerusalem 91904, Israel </span><br style="color:rgb(136,136,136)"></div><span style="color:rgb(136,136,136)">Tel: 972 547 231 170</span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Fax: (972)-25662581</span></div></div><div><span style="color:rgb(136,136,136)"><br></span></div><div>C.E.O, Weather It Is, LTD<br>Weather and Climate Focus<br><a href="http://weather-it-is.com" target="_blank">http://weather-it-is.com</a><br>Jerusalem, Israel<br>Local: 02 930 9525<br>Cell: 054 7 231 170<br>Int-IS: x972 2 930 9525<br><br></div></div></div></div></div>