TY - CPAPER AU - A Ghelli BT - Twelfth Workshop on Meteorological Operational Systems, 2-6 November 2009 CY - Shinfield Park, Reading DA - 2009 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2009 SP - 38 EP - 39 T2 - Twelfth Workshop on Meteorological Operational Systems, 2-6 November 2009 TI - Observations and their importance in the verification process: View of the Joint Working Group on Forecast Verification Method Research ER -