THORPEX PDP-5 Start date 18 June 2012 End date 20 June 2012 Location Reading, UK Activity Areas (1) World Weather Research Programme (WWRP) 5th Meeting THORPEX ICSC PDP Working Group (Reading, UK, 18-20 June 2012) PRESENTATIONS Report from the PDP working group C. Bishop, P. Harr, T. Jung (until 2011), S. Maeda, J. Methven (since 2011), M. Rodwell (since 2011), I. Szunyogh, O. Talagrand, H. Wernli Status of actions from the 4th meeting of the PDP WG IPO Update J. Caughey WGNE activities and plans A. Brown and C. Jakob The WWRP Polar Prediction Project T. Jung Sub-seasonal to seasonal Prediction Project F. Vitart DIAbatic influences on Mesoscale structures in Extratropical sTorms (DIAMET) G. Vaughan, J. Methven, I. Renfrew, D. Parker HYMEX - overview SOP 2012 V. Ducrocq US Contributions to HyMEX SOP 2, Feb-Mar 2013 C. H. Bishop THORPEX Legacy and options for a follow on programme Warm conveyor belts H. Wernli T-NAWDEX-Falcon 2012 A. Schäfler, M. Boettcher, A. Dörnbrack, F. Harnisch and H. Wernli Met Office and ECMWF Asian Monsoons A. Brown presenting work by S. Milton, M. Rodwell and M. Willett Characteristics of occasional poor European forecasts M. Rodwell Atmospheric Rivers and British winter floods David Lavers Precipitation, Aerosols, and Pacific Atmospheric Rivers J.R. Spackman and F.M. Ralph THORPEX Africa Regional Committee Meeting, Geneva, 8-10 May 2012 PDP Perspective Rosalind Cornforth T-PARC - most recent developments P. Harr Assessing the Efficiency of an Ensemble-Based Kalman Filter in Representing the Analysis Uncertainty I. Szunyogh and E. Satterfield Outcome of THORPEX for operational climate services on extreme events in Japan S. Maeda Assimilation of Observations and Bayesianity M. Jardak and O. Talagrand