TY - CPAPER AU - R.M. Dole BT - Seminar on the Nature and Prediction of Extra Tropical Weather Systems. 7-11 September 1987 CY - Shinfield Park, Reading DA - 1987 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1987 SP - 73 EP - 122 T2 - Seminar on the Nature and Prediction of Extra Tropical Weather Systems. 7-11 September 1987 TI - Persistent large-scale flow anomalies. Part II: Relationships to variations in eddy activity and cyclogenesis VL - II ER -