TY  - GEN
AU  - Chessa, Piero
TI  - Classifications and validation of the ECMWF EPS perturbed forecasts using pre-defined weather regimes
T2  - ECMWF/Technical Memorandum
VL  - 317
PY  - 2000///
CY  - reading
PB  - ECMWF
KW  - PREVISAO NUMERICA
KW  - IM
ER  -