<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
</head>
<body dir="ltr">
<div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;">
<p>Dear NCL users,</p>
<p><br>
</p>
<p>I am trying to plot an image following an example at <a href="https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png" id="LPlnk628030" title="https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png
Cmd+Click or tap to follow the link">https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png.</a></p>
<p><img src="https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png"></p>
<p><br>
</p>
<p>but I'm getting a few warnings and my result plot is not pretty enough (attached).</p>
<p><br>
</p>
<p>Warning messages are as below:</p>
<p><span id="ms-rterangepaste-start"></span></p>
<div>(0)<span class="Apple-tab-span" style="white-space:pre"> </span>gsn_add_cyclic: Warning: The range of your longitude data is not 360.</div>
<div>(0)<span class="Apple-tab-span" style="white-space:pre"> </span>You may want to set the gsnAddCyclic resource to False to avoid a</div>
<div>(0)<span class="Apple-tab-span" style="white-space:pre"> </span>warning message from the spline function.</div>
<div>warning:_NhlCreateSplineCoordApprox: Attempt to create spline approximation for X axis failed: consider adjusting trXTensionF value</div>
<div>warning:IrTransInitialize: error creating spline approximation for trXCoordPoints; defaulting to linear</div>
<span id="ms-rterangepaste-end"></span><br>
<p></p>
<p></p>
<p><br>
</p>
<p><br>
</p>
</div>
</body>
</html>