Disclaimer: I have not looked at your particular files.
You can regrid the data in Python using the NetCDF-4 module. If you want to interpolate vertically, you can use the WRF module. And for horizontal interpolation, you can use the Scipy Interpolation module.
Here is how you would go about this regridding.
Let $(\psi_1,\phi_1)$ be the latitude and ...