FrontMatter -- Preface -- Acknowledgments -- Contents -- Summary -- 1 Workshop Context -- 2 Development and Testing of Model Parameterizations: Some Examples -- 3 The Framework for Developing Parameterizations -- 4 Impediments to and Ideas for Progress in Model Development -- 5 Concluding Thoughts forecasts. -- References -- Appendixes -- A Statement of Task -- B Input from Workshop Invitees -- C The Gap Between Simulation and Understanding in Climate Modeling -- D Workshop Agenda -- E Workshop Participants -- F Abbreviations and Acronyms -- G Committee and Staff Biographies.