@Brad_Marston @WHUT @jeffreybweiss @uvmvermont It may not be so simple. Reducing the Kelvin/Rossby effect amounts to reducing alpha in the Eq. (2) of https://t.co/iQtR873Dky. This moves system into stable region of Fig. 3. Periodic events remains possible, see in https://t.co/tGAInYQsEk (also https://t.co/pr5iOHuMSU).