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                                                To whom it may concern,<br />
                                                <br />
                                                I used "wrf_cape_3d" function to calculate Cape. for this 
aim I used 3D vand 2D values. unfortunately in some points (based on 
lat/lon)  NaN value for cape is seen. I am sure that all data have 
correct units. Input values for a point is reported as below:<br />
                                                <br />
                                                cape=9.969209968386869e+36</div>
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                                                level=92500<br />
                                                TK=300.6299140816899<br />
                                                rv=0.008510922866573187<br />
                                                GPH=723.139880629395<br />
                                                z=0.7325572010323265<br />
                                                p=100078.4522848937<br />
                                                I think where rv value is less that 0.01, this nan value appears.<br />

                                                please help me to overcome to these nan values</div>
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                        Best Regards<br />
                        =================================<br />
                        Nafiseh Pegahfar<br />
                        Assistant Professor<br />
                        Iranian National Institute for Oceanography and Atmospheric Science<br />
                        (http://www.inio.ac.ir)<br />
                        Phone: (0098)21- 66944873-5 Ext. 224<br />
                        Fax: (0098)21- 66944869<br />
                        Email: (pegahfar@inio.ac.ir)<br />
                        (pegahfar@ut.ac.ir)<br />
                        =================================</div>
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