<div dir="ltr"><div>Well, NCL index values are 1-based.  so a range of 0-to-11 represent 12 values.</div><div><br></div><div>Perhaps:</div><div>    <span style="font-variant-ligatures:no-common-ligatures"><span></span>VRH(i:i+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">,j:j+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">)=k</span></div><div><span style="font-variant-ligatures:no-common-ligatures">Should be</span></div><div><span style="font-variant-ligatures:no-common-ligatures">    <span style="font-variant-ligatures:no-common-ligatures"><span></span>VRH(i:i+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">11</span><span style="font-variant-ligatures:no-common-ligatures">j:j+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">11</span><span style="font-variant-ligatures:no-common-ligatures">)=k</span></span></div><div><span style="font-variant-ligatures:no-common-ligatures"><span style="font-variant-ligatures:no-common-ligatures"><br></span></span></div><div><span style="font-variant-ligatures:no-common-ligatures"><span style="font-variant-ligatures:no-common-ligatures">====</span></span></div><div><span style="font-variant-ligatures:no-common-ligatures"><span style="font-variant-ligatures:no-common-ligatures">You might get a lot of print put but you could debug yourself:</span></span></div><div><span style="font-variant-ligatures:no-common-ligatures"><span style="font-variant-ligatures:no-common-ligatures"><br></span></span></div><div><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>               </span>k=k+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">               i12 = i+12</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">               j12 = j+12<br></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">               print("debug: k="+k+" i="+i+"  i12="+i12+" j="+j+"  j12="+j12)<br></span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>            </span>VRH(i:i+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">,j:j+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">)=k</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span><br></span></span></p><span style="font-variant-ligatures:no-common-ligatures"><span style="font-variant-ligatures:no-common-ligatures"></span></span></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 5, 2020 at 9:21 PM dale zuri 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 dir="ltr">Hi NCL user,<br><div>Could someone help me fix this issue? </div><div><br></div><div>Thanks</div><div>





<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">(i)<span style="white-space:pre-wrap">        </span>384</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">(j)<span style="white-space:pre-wrap">        </span>320</span></p></div><div>





<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">Mask = </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(52,187,199)">where</span><span style="font-variant-ligatures:no-common-ligatures">(((u(</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span><span style="font-variant-ligatures:no-common-ligatures">,:,:)</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.ge.</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0.9</span><span style="font-variant-ligatures:no-common-ligatures">)</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.and.</span><span style="font-variant-ligatures:no-common-ligatures">(lat2d(:,:) </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.ge.</span><span style="font-variant-ligatures:no-common-ligatures"> </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">55</span><span style="font-variant-ligatures:no-common-ligatures">)), </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span><span style="font-variant-ligatures:no-common-ligatures">, </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span><span style="font-variant-ligatures:no-common-ligatures">)</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(83,48,225)">;;;1 corresponds to NH</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">VRH=Mask</span></p></div><div>





<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">k=</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">do</span><span style="font-variant-ligatures:no-common-ligatures"> i=</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">300</span><span style="font-variant-ligatures:no-common-ligatures">,(</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(52,187,199)">dimsizes</span><span style="font-variant-ligatures:no-common-ligatures">(lat2d(:,</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span><span style="font-variant-ligatures:no-common-ligatures">))-</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span><span style="font-variant-ligatures:no-common-ligatures">),</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>     </span></span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">do</span><span style="font-variant-ligatures:no-common-ligatures"> j=</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span><span style="font-variant-ligatures:no-common-ligatures">,(</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(52,187,199)">dimsizes</span><span style="font-variant-ligatures:no-common-ligatures">(lon2d(</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span><span style="font-variant-ligatures:no-common-ligatures">,:))-</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span><span style="font-variant-ligatures:no-common-ligatures">),</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>               </span>f =</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(52,187,199)">sum</span><span style="font-variant-ligatures:no-common-ligatures">(VRH(i:i+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">,j:j+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">))</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>           </span></span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">if</span><span style="font-variant-ligatures:no-common-ligatures"> (</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.not.</span><span style="font-variant-ligatures:no-common-ligatures"> </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(52,187,199)">ismissing</span><span style="font-variant-ligatures:no-common-ligatures">(f) </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.and.</span><span style="font-variant-ligatures:no-common-ligatures"> f </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">.gt. </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">0</span><span style="font-variant-ligatures:no-common-ligatures">)</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">then</span><span style="font-variant-ligatures:no-common-ligatures"> </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(83,48,225)">;;;;0 corresponds to SH</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>               </span>k=k+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">1</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>            </span>VRH(i:i+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">,j:j+</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">12</span><span style="font-variant-ligatures:no-common-ligatures">)=k</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>           </span></span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">end</span><span style="font-variant-ligatures:no-common-ligatures"> </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">if</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>          </span></span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><span>     </span></span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">end</span><span style="font-variant-ligatures:no-common-ligatures"> </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(206,121,36)">do</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(206,121,36)"><span style="font-variant-ligatures:no-common-ligatures">end</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)"> </span><span style="font-variant-ligatures:no-common-ligatures">do</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(206,121,36)"><span style="font-variant-ligatures:no-common-ligatures"><br></span></p><p style="margin:0px;font:11px Menlo"><span style="font-variant-ligatures:no-common-ligatures">fatal:Subscript out of range, error in subscript #1</span></p><p style="margin:0px;font:11px Menlo"><span style="font-variant-ligatures:no-common-ligatures">fatal:An error occurred reading VRH</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(206,121,36)"><span style="font-variant-ligatures:no-common-ligatures">







</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">fatal:["Execute.c":8637]:Execute: Error occurred</span></p></div></div>
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