Breakdown of local cascades
¥Kolmogorov cascade spectra (KS) nk ~kxνx kyvy. 
¥Exact solutions of WKE É if local.
¥Locality corresponds to convergence in WKE integral.
¥For drift turbulence KS obtained by Monin Piterbarg 1987.
¥All Kolmogorov spectra of drift turbulence are proven to be nonlocal (Balk, Nazarenko, 1989).
¥Drift turbulence must be nonlocal, - direct interaction with ZF scales