| 1970 |
Post-doctoral Fellow, U.S. National Center for Atmospheric Research |
| 1971 |
Post-doctoral Fellow, Atmospheric Modelling Group, University of Reading |
| 1973 |
Group Leader, Atmospheric Modelling Group, University of Reading |
| 1976 |
Reader in Atmospheric Modelling, University of Reading |
| 1981-2014 |
Professor of Meteorology, University of Reading |
| 1990-2014 |
Holder, Established Chair in Meteorology, University of Reading |
| 2000-2010 |
Royal Society Research Professor |
| 2008 |
Director, Grantham Institute for Climate Change, Imperial College |
| 2014 |
Chair, Grantham Institute for Climate Change, Imperial College |
| 2014 |
Part-time Research Professor, University of Reading |
| 1972 |
L.F. Richardson Prize, Royal Meteorological Society |
| 1976 |
Buchan Prize, Royal Meteorological Society |
| 1982 |
Symons Memorial Lecture, Royal Meteorological Society |
| 1985 |
Fellow, American Meteorological Society |
| 1987 |
Charles Chree Silver Medal, Institute of Physics |
| 1988 |
Carl-Gustav Rossby Research Medal, American Meteorological Society |
| 1988 |
Fellow, Royal Society |
| 1990 |
Member, Academia Europaea |
| 1997 |
Vilhelm Bjerknes Medal, European Geophysical Society |
| 1998 |
Commander of the British Empire (for services to Meteorology) |
| 2001 |
Honorary Fellow, Royal Meteorological Society (HonFRMetS) |
| 2002 |
Foreign Associate, U.S. National Academy of Sciences |
| 2002 |
Foreign Member, Chinese Academy of Sciences |
| 2007 |
Symons Gold Medal, Royal Meteorological Society |
| 2007 |
Knighted for services to Environmental Science |
| 2008 |
Honorary Doctor of Science, University of Bristol |
| 2009 |
Honorary Doctor of Science, University of East Anglia |
| 2011 |
12th IMO Lecturer at the quadrennial WMO Assembly |
| 2011 |
Honorary Fellowship, Trinity Hall, University of Cambridge |
| 2012 |
Fellow, Energy Institute |
| 2013 |
Fellow, American Association for the Advancement of Science |
| 2014 |
Honorary Member, American Meteorological Society |
| 2014 |
Buys Ballot Medal, Royal Netherlands Academy for Arts & Sciences |
| 2015 |
Gold Medal, International Union of Geodesy and Geophysics |
| 2015 |
Honorary Fellow, Geological Society of India |