TY - GEN AU - P.A. Chessa BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 2000 DO - 10.21957/5veiwdph LA - eng M1 - 317 PB - ECMWF PP - Shinfield Park, Reading PY - 2000 EP - 29 T2 - ECMWF Technical Memoranda TI - Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes UR - https://www.ecmwf.int/node/8682 ER -