<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1496302320150_4657"><span></span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1496302320150_4652"><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1496302320150_4674" style="display: block;"><div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1496302320150_4673"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1496302320150_4672"><br> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1496302320150_4707"><div id="yiv5175715787"><div id="yui_3_16_0_ym19_1_1496302320150_4706"><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_ym19_1_1496302320150_4705"><div id="yui_3_16_0_ym19_1_1496302320150_5004"><span>Dear Mary Haley,</span></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56567"><span id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56566">Thanks a lot for your reply... I really appreciate that. Your explanation was crystal clear. I have used ncl_filedump and made changes accordingly by replacing YCells and XCells with latitude and longitude....Then I have warnings like</span></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56567"><span><br clear="none"></span></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56567"><span><br clear="none"></span></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56627">(0) gsn_add_cyclic: Warning: The range of your longitude data is not 360.</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56628">(0) You may want to set gsnAddCyclic to False to avoid a warning</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56629">(0) message from the spline function.</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56630">(0) gsn_add_cyclic: Warning: The range of your longitude data is not 360.</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56631">(0) You may want to set gsnAddCyclic to False to avoid a warning</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56632">(0) message from the spline function.</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56569"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633">warning:VectorFieldSetValues: irregular coordinate array vfXArray non-monotonic: defaulting vfXArray</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633"><br clear="none"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633">I have added res@gsnAddCyclic = False res@gsnAddCyclic = False </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633">but still left with the last warning.....</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633">warning:VectorFieldSetValues: irregular coordinate array vfXArray non-monotonic: defaulting vfXArray</div><div dir="ltr" id="yui_3_16_0_ym19_1_1496302320150_4745"><br id="yui_3_16_0_ym19_1_1496302320150_4746"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633"><br clear="none"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633">Here is my code with changes </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57128">begin</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57129"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57130"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57131"> uf = addfile("uwind500.nc","r") </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57132"> vf = addfile("vwind500.nc","r")</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57133"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57134"> u = uf->UGRD_500_ISBL(0,:,:)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57135"> v = vf->VGRD_500_ISBL(0,:,:)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57136"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57137"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57138"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57139"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57140"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57141"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57142">lat=uf->latitude(:,0)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57143">lon=uf->longitude(0,:)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57144"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57145"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57146"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57147"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57148">u&YCells = uf->latitude(: ,0)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57149">u&XCells = uf->longitude(0,:)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57150"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57151"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57152"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57153"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57154"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57155"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57156">v&YCells = vf->latitude(:,0)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57157">v&XCells= vf->longitude(0,:)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57158"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57159"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57160"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57161"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57162">printVarSummary(u)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57163"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57164"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57165"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57166"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57167"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57168"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57169">div = uv2dvG_Wrap(u,v) ; u,v ==> divergence</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57170"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57171"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57172"> dv2uvg(div,u,v) ; div ==> divergent wind components</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57173"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57174"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57175"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57176"> u@long_name = "Zonal Divergent Wind"</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57177"> u@units = u@units</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57178"> v@long_name = "Meridional Divergent Wind"</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57179"> v@units = v@units</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57180"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57181"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57182">;*************************************************</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57183">; plot results</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57184">;************************************************* </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57185"> wks = gsn_open_wks("png","wind123") ; send graphics to PNG file</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57186"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57187"> res = True</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57188"> res@vcRefMagnitudeF = 3. ; make vectors larger</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57189"> res@vcRefLengthF = 0.050 ; reference vector length</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57190"> res@vcGlyphStyle = "CurlyVector" ; turn on curly vectors</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57191"> res@vcMinDistanceF = 0.012 ; thin the vectors</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57192"> res@gsnAddCyclic = False</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57193"> res@gsnLeftString = "Divergent Wind"</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57194"> ; plot 1st time step</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57195"> plot= gsn_csm_vector_map(wks,u(:,:),v(:,:),res)</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57196"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57197"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_57198">end</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56633"> </div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634"><br clear="none" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56635"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634">output of the uwind500.nc is also attached... please help me to understand am i reading the data right...thanks a lot for time and help....</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634"><br clear="none"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634">Regards,</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634">Gurbrinder Kaur</div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634"><br clear="none"></div><div dir="ltr" id="yiv5175715787yui_3_16_0_ym19_1_1496215850755_56634"><br clear="none"></div> <div class="yiv5175715787qtdSeparateBR" id="yui_3_16_0_ym19_1_1496302320150_4787"><br clear="none"><br clear="none"></div><div class="yiv5175715787yahoo_quoted" style="display:block;"> <div style="font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px;"> <div class="yiv5175715787yqt4799037442" id="yiv5175715787yqtfd12880"><div dir="ltr"><font size="2" face="Arial"> On Tuesday, 30 May 2017 10:04 PM, Mary Haley <haley@ucar.edu> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div class="yiv5175715787y_msg_container"><div id="yiv5175715787"><div><div dir="ltr"><div class="yiv5175715787gmail_default" style="font-size:small;">I think you need to look at your data more closely. </div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">My guess is that YCells and XCells are not actually lat / lon arrays, but yet you are trying to use them to plot your data over a map.</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">You have this code, which looks like you were trying to get NCL to recognize YCells and XCells as lat/lon arrays:</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><font face="monospace, monospace">lat = uf->u&YCells <br clear="none">lon = uf->v&XCells<br clear="none"><br clear="none">u!0="lat"<br clear="none">u!1="lon"<br clear="none"><br clear="none">u&lat@units="degrees_north"<br clear="none">u&lon@units="degrees_east"</font><div><br clear="none">However, I'm suspicious that YCells and XCells actually represent the latitude and longitude values of your array. <br clear="none"><br clear="none"><div><div class="yiv5175715787gmail_default" style="font-size:small;">βIt helps if you use "printVarSummary" to look at your data before you plot it:</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">printVarSummary(u)</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">The above should also print the numeric range of the lat / lon arrays, and you will see very quickly whether they actually look like lat / lon values.</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace;white-space:pre;"><br clear="none" class="yiv5175715787gmail-Apple-interchange-newline"> Variable : u
Type : float
. . .
Number of Dimensions: 2
Dimensions and sizes: [lat | <i>some number</i>] x [lon | <i>some number</i>]
</span><b style="font-family:monospace;white-space:pre;">Coordinates:
lat: [</b><i style="font-family:monospace;white-space:pre;">...you'll see a numeric range here...</i><b style="font-family:monospace;white-space:pre;">]
lon: [</b><i style="font-family:monospace;white-space:pre;">...ditto...</i><b style="font-family:monospace;white-space:pre;">]</b><span style="font-family:monospace;white-space:pre;">
Number Of Attributes:</span><span style="font-family:monospace;white-space:pre;">
</span></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace;white-space:pre;"><br clear="none"></span></div><div class="yiv5175715787gmail_default" style="font-size:small;">If u has an attribute called "coordinates", then it is very important to pay attention to this because this will likely tell you what the name is of your lat/lon arrays on the file, which you will need to use to replace "YCells" and "XCells". It would look something like this:</div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace;white-space:pre;"><br clear="none" class="yiv5175715787gmail-Apple-interchange-newline"> Variable : u
Type : float
. . .
Number of Dimensions: 2
Dimensions and sizes: [lat | <i>some number</i>] x [lon | <i>some number</i>]
</span><b style="font-family:monospace;white-space:pre;">Coordinates:
lat: [</b><i style="font-family:monospace;white-space:pre;">...you'll see a numeric range here...</i><b style="font-family:monospace;white-space:pre;">]
lon: [</b><i style="font-family:monospace;white-space:pre;">...ditto...</i><b style="font-family:monospace;white-space:pre;">]</b><span style="font-family:monospace;white-space:pre;">
Number Of Attributes: 5</span><span style="font-family:monospace;white-space:pre;">
</span><span style="font-family:monospace;white-space:pre;"> </span><b style="font-family:monospace;white-space:pre;">coordinates</b><span style="font-family:monospace;white-space:pre;">: "latitude longitude"</span><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace;white-space:pre;"><br clear="none"></span></div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">Important note: the "coordinates" attribute is a different thing than "Coordinates", which you *always* see when you do a printVarSummary. The "Coordinates" output from printVarSummary represents coordinate *arrays* that may already be attached to your file. </div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">If you do see a "coordinates" attribute, then make note of the names in the attribute, then do an "ncl_filedump" on your file on the UNIX command line to see if your file contains variables with these names. If it does, then you can replace this code:</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;">lat = uf->u&YCells </span><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">lon = uf->v&XCells</span><br clear="none" style="font-family:monospace, monospace;"><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">u!0="lat"</span><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">u!1="lon"</span><br clear="none" style="font-family:monospace, monospace;"><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">u&lat@units="degrees_north"</span><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">u&lon@units="degrees_east"</span><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;"><br clear="none"></span></div>with:</div><div><br clear="none"><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;">u!0="lat"</span><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">u!1="lon"</span><span style="font-family:monospace, monospace;"><br clear="none"></span></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;">u&lat := uf->latitude ; The ":=" forces YCell and XCell to be overwritten, in case</span></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;">u&lon := uf->longitude ;</span><span style="font-family:monospace, monospace;"> they are different types than latitude and longitude.</span></div><div class="yiv5175715787gmail_default" style="font-size:small;"><span style="font-family:monospace, monospace;"><br clear="none"></span></div>You need to do the same for "v":</div><div><br clear="none"><div class="yiv5175715787gmail_default" style="font-size:small;"><div class="yiv5175715787gmail_default"><span style="font-family:monospace, monospace;">v!0="lat"</span><br clear="none" style="font-family:monospace, monospace;"><span style="font-family:monospace, monospace;">v!1="lon"</span><span style="font-family:monospace, monospace;"><br clear="none"></span></div><div class="yiv5175715787gmail_default"><span style="font-family:monospace, monospace;">v&lat = vf->latitude</span></div><div class="yiv5175715787gmail_default"><span style="font-family:monospace, monospace;">v&lon = vf->longitude</span></div></div><div class="yiv5175715787gmail_default" style="font-size:small;">β<br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">If the above doesn't work, then it would help if you could email ncl-talk and provide the output from doing an "ncl_filedump" on <a rel="nofollow" shape="rect" target="_blank" href="http://uwind500.nc/">uwind500.nc</a>.</div><div class="yiv5175715787gmail_default" style="font-size:small;"><br clear="none"></div><div class="yiv5175715787gmail_default" style="font-size:small;">β--Mary</div><div class="yiv5175715787gmail_default" style="font-size:small;">β</div><br clear="none"></div></div></div><div class="yiv5175715787gmail_extra"><br clear="none"><div class="yiv5175715787gmail_quote">On Tue, May 30, 2017 at 3:36 AM, gurbrinder aulakh <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:gurbrinderaulakh@yahoo.co.in" target="_blank" href="mailto:gurbrinderaulakh@yahoo.co.in">gurbrinderaulakh@yahoo.co.in</a>></span> wrote:<br clear="none"><blockquote class="yiv5175715787gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="yiv5175715787yqt3896658420" id="yiv5175715787yqt97188"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div dir="ltr" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14162">I want to compute wind divergence reading u and v wind components but I am getting the following warnings when I run the script.Plot is also not as expected... Please help tried everything from the earlier queries but not finding any solution.... Am I reading the correct values....Thanks in advance..</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14163"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14164"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14165"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14166"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14167"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14168"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14169"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14170"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14171">warning:IrTransInitialize: trYCoordPoints contains invalid coordinate array: defaulting trYAxisType to LinearAxis</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14172">warning: AutoComputeMajorTickMarks: min and max are so close together or so far apart that arithmetic error may cause problems, proceed at own risk</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14173">warning:ComputeMinorTickMarks: The distance between major tickmarks is so close or so far apart that arithmetic error may cause problems determining the accurate locations of minor tickmarks</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14174">warning: AutoComputeMajorTickMarks: min and max are so close together or so far apart that arithmetic error may cause problems, proceed at own risk</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14175">warning:ComputeMinorTickMarks: The distance between major tickmarks is so close or so far apart that arithmetic error may cause problems determining the accurate locations of minor tickmarks</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14176">warning: StreamlinePlotInitialize: coordinate spacing is irregular; linear spacing only possible using index coordinates for Y Axis</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14177">warning:IrTransInitialize: trYCoordPoints contains invalid coordinate array: defaulting trYAxisType to LinearAxis</div><div dir="ltr" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14178"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14179"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14180"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14181"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14182"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14183"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14184"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14185"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14186"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14187"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14188">****************************** *******************</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14189">;</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14190">; These files are loaded by default in NCL V6.2.0 and newer</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14191">; load "$NCARG_ROOT/lib/ncarg/ nclscripts/csm/gsn_code.ncl" </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14192">; load "$NCARG_ROOT/lib/ncarg/ nclscripts/csm/gsn_csm.ncl" </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14193">; load "$NCARG_ROOT/lib/ncarg/ nclscripts/csm/contributed. ncl" </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14194">;***************************** ********************</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14195">begin</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14196"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14197"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14198"> uf = addfile("<a rel="nofollow" shape="rect" target="_blank" href="http://uwind500.nc/">uwind500.nc</a>","r") </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14199"> vf = addfile("<a rel="nofollow" shape="rect" target="_blank" href="http://vwind500.nc/">vwind500.nc</a>","r")</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14200"> </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14201"> u = uf->UGRD_500_ISBL(0,:,:)</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14202"> v = vf->VGRD_500_ISBL(0,:,:)</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14203"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14204"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14205">lat = uf->u&YCells </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14206"> lon = uf->v&XCells</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14207"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14208"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14209">u!0="lat"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14210">u!1="lon"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14211"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14212"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14213">u&lat@units="degrees_north"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14214">u&lon@units="degrees_east"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14215"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14216"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14217">printVarSummary(u);</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14218"> div = uv2dvG_Wrap(u,v) ; u,v ==> divergence</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14219"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14220"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14221"> dv2uvg(div,u,v) ; div ==> divergent wind components</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14222"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14223"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14224"> </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14225"> u@long_name = "Zonal Divergent Wind"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14226"> u@units = u@units</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14227"> v@long_name = "Meridional Divergent Wind"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14228"> v@units = v@units</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14229"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14230"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14231">;***************************** ********************</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14232">; plot results</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14233">;***************************** ******************** </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14234"> wks = gsn_open_wks("png","wind123") ; send graphics to PNG file</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14235"> </div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14236"> res = True</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14237"> res@vcRefMagnitudeF = 3. ; make vectors larger</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14238"> res@vcRefLengthF = 0.050 ; reference vector length</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14239"> res@vcGlyphStyle = "CurlyVector" ; turn on curly vectors</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14240"> res@vcMinDistanceF = 0.012 ; thin the vectors</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14241"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14242"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14243"> res@gsnLeftString = "Divergent Wind"</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14244"> ; plot 1st time step</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14245"> plot= gsn_csm_vector_map(wks,u(:,:), v(:,:),res)</div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14246"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14247"></div><div id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14248">end</div><div dir="ltr" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14249"><br clear="none" id="yiv5175715787m_4653405811811315891yui_3_16_0_ym19_1_1496136335885_14250"></div></div></div></div><br clear="none">______________________________ _________________<br clear="none">
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