All you have to do is show a QBO time-series with a spatial wavelength in longitude.

![](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00382-011-1250-7/MediaObjects/382_2011_1250_Fig8_HTML.gif)

It wraps around the equator with little modulation.

If can't agree on the basics, then there is no hope for anything more complex.