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<p style="margin-top:0;margin-bottom:0">Thank you for the suggestions Stephen!</p>
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<div style="color:rgb(0,0,0); font-family:Tahoma; font-size:13px"><font face="Calibri,Arial,Helvetica,sans-serif"><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9" style=""><span style="font-size:11pt"><b><span style="font-size:12pt">Aaron
D. Perry</span></b></span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt">Class of 2016</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt">Lyndon State College</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
Lyndonville, VT 05851</span></font></font></div>
<div style="color:rgb(0,0,0); font-family:Tahoma; font-size:13px"><font face="Calibri,Arial,Helvetica,sans-serif"><font size="2" color="#006FC9"><span style="font-size:12pt">Twitter: </span></font><font size="2"><span style="font-size:11pt"><a href="https://twitter.com/arnpry" target="_blank" id="LPNoLP"><span style="font-size:12pt">@arnpry</span></a></span></font></font></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Stephen McMillan <smcmillan@planalytics.com><br>
<b>Sent:</b> Tuesday, February 20, 2018 8:23:39 AM<br>
<b>To:</b> GrADS Users Forum<br>
<b>Subject:</b> Re: [gradsusr] Random Missing Values Grid Cells Using Cressman Analysis</font>
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<div dir="ltr">Aaron,
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<div>Try increasing the radii (either more or higher values), adding another station in the area of the blank boxes, or increase your dummy grid size. Any one of the three should cause those blanks to disappear.</div>
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<div>Stephen Mc</div>
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<div class="x_gmail_quote">On Tue, Feb 20, 2018 at 7:41 AM, Perry, Aaron <span dir="ltr">
<<a href="mailto:Aaron.Perry@lsc.vsc.edu" target="_blank">Aaron.Perry@lsc.vsc.edu</a>></span> wrote:<br>
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<p style="margin-top:0; margin-bottom:0">Good Morning All,</p>
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<p style="margin-top:0; margin-bottom:0">I am producing a contoured layer via Cressman interpolation in GrADS.</p>
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<p style="margin-top:0; margin-bottom:0">I'm running into a problem where I'm seeing random grid cells with missing values over areas that really should have contouring. I know that a Cressman interpolation is based upon radial interpolation so, my input values
may be off slightly for my station spacing.</p>
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<p style="margin-top:0; margin-bottom:0"><b>GrADS Code:</b></p>
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<p style="margin-top:0; margin-bottom:0"><span><i>'define temp = oacres(dummy.1(t=1),temp.2(t=<wbr>1),<b>12,10,7,4,2,1</b>)'</i></span><br>
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<p style="margin-top:0; margin-bottom:0"><span><b>Image sample:</b></span></p>
<p style="margin-top:0; margin-bottom:0"><span><b><img size="265084" id="x_m_6998484767641583559img520046" width="1286" height="650" style="max-width:99.9%" src="cid:74f8c8c3-6cc1-4433-be3b-d33dcbcef40a"><br>
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<p style="margin-top:0; margin-bottom:0">Best regards,</p>
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<div style="color:rgb(0,0,0); font-family:Tahoma; font-size:13px"><font face="Calibri,Arial,Helvetica,sans-serif"><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:11pt"><b><span style="font-size:12pt">Aaron D.
Perry</span></b></span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt">Class of 2016</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt">Lyndon State College</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt"><br>
Lyndonville, VT 05851</span></font></font></div>
<div style="color:rgb(0,0,0); font-family:Tahoma; font-size:13px"><font face="Calibri,Arial,Helvetica,sans-serif"><font size="2" color="#006FC9"><span style="font-size:12pt">Twitter: </span></font><font size="2"><span style="font-size:11pt"><a href="https://twitter.com/arnpry" id="x_m_6998484767641583559LPNoLP" target="_blank"><span style="font-size:12pt">@arnpry</span></a></span></font></font></div>
<div style="color:rgb(0,0,0); font-family:Tahoma; font-size:13px"><font face="Calibri,Arial,Helvetica,sans-serif"><font face="Calibri,Arial,Helvetica,sans-serif" size="2" color="#006FC9"><span style="font-size:12pt">Email: </span></font><a href="http://Aaron.Perry@lyndonstate.edu/" id="x_m_6998484767641583559LPNoLP" target="_blank"><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:12pt">Aaron.Perry@<wbr>lyndonstate.edu</span></font></a></font></div>
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