![Erland Källén at the June 2017 symposium Erland Källén at the June 2017 symposium](/sites/default/files/styles/900x/public/SW4_5850_Erland_slider_6.jpg?itok=leA3MWDJ)
Top NWP experts mark Research Director’s departure
Leading World Meteorological Organization officials and experts in numerical weather prediction (NWP) came together at ECMWF on 8 June for a symposium to mark the departure of Erland Källén from the Centre after eight years as Director of Research.