Mine T is around 11.4 kHz, and pretty steady, not like that wind which was varying so much. When it is louder than average it is hard to ignore, but actually I do find that getting lost in my work activities I do forget it's there for an hour or more. Lately, it is has been quieter, so that is good. In the past it would sometimes dissolve to a static type noise which was more bearable.
But for that wind-like T, even if bothersome, it comes down to accepting it's 'there' and then focusing on other things. The more energy we give to something'e existence the more it can capture our minds and keep us aware it's there. Of course this likely does not apply to people with severe T.
One time I told my wife "it takes so much energy ignoring it (the T)" so I know it's a tough thing to handle. But hopefully your T will reduce or you can get to a point where it is less bothersome. But as to high frequency itself, you have company. In fact, I've heard people having T at 14k and also 18k.