| The 2021 Blue Book, by list of authors |
| 01.Assimilation of atmospheric and land observations. Data impact and sensitivity studies. Methodological advances |
| 02.Data sets, diagnostic and dynamical investigations, statistical post-processing, reanalysis,and associated studies |
| 03.Computational studies including new techniques, parallel processing, GPUs. Effects of model resolution |
| 04.Parameterization of atmospheric and surface processes, effects of different physical parameterizations |
| Author(s) | Paper title | Country | Pages |
| P.Marquet, A.Bailey | Comparisons of H2O pathways with moist isentropes. | France | 4-03 |
| 05.Development of and studies with regional and convective-scale atmospheric models and ensembles |
| 06.Developments in global forecast models, case studies, predictability investigations, global ensembles |
| 07.Global and regional climate models, sensitivity and impact experiments, response to external forcing, monthly and seasonal forecasting |
| 08.Development of and advances in ocean, sea-ice, and wave modelling and data assimilation |
| 09.Development of and studies with coupled and Earth system models and data assimilation systems |
| 10.Forecast verification: methods and studies |