TY - SLIDE KW - ensemble prediction KW - AS2017 KW - annual semnar AU - Antje Weisheimer BT - ECMWF Annual Seminar 2017 C1 - Events DA - 2017 LA - eng PY - 2017 T2 - ECMWF Annual Seminar 2017 T3 - ECMWF Annual Seminar TI - Seasonal forecast ensembles: How confident are predictability estimates of the NAO? ER -