The problem: bias in filtered & unfiltered KE (contours) and mean wind (vectors) Unfiltered (KE)Filtered (EKE) Excessively zonal mean wind extending into.
The influence of the stratosphere on tropospheric circulation and implications for forecasting Nili Harnik Department of Geophysics and Planetary Sciences,
Dynamical Response to the 11-Year Solar Cycle (and the QBO) in the Middle Atmosphere
Stratosphere-Troposhere Coupling in Dynamical Seasonal Predictions Bo Christiansen Danish Meteorological Institute.