TY - CPAPER AU - U. Burkhardt BT - Workshop on Parametrization of Clouds and Precipitation, 5 to 8 November 2012 CY - Shinfield Park, Reading DA - 2013 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2013 SP - 99 EP - 107 T2 - Workshop on Parametrization of Clouds and Precipitation, 5 to 8 November 2012 TI - Extending a PDF cloud scheme in order to accommodate cirrus physics ER -