Barry Latter^1,2, Richard Siddans^1,2, Brian J Kerridge^1,3, Lucy J Ventress^1,2, Richard Pope^2,4, Martyn Chipperfield^2,5, Maggie Marvin^2,6, Paul I Palmer^2,7, Maria Russo^8,9, Alexander T Archibald^8,10, Ryan S Williams¹¹ and Michaela Imelda Hegglin¹², (1)STFC Rutherford Appleton Laboratory, Didcot, United Kingdom, (2)National Centre for Earth Observation (NCEO), Leicester, United Kingdom, (3)National Centre for Earth Observation, Leicester, United Kingdom, (4)University of Leeds, Leeds, LS2, United Kingdom, (5)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (6)University of Edinburgh, Edinburgh, United Kingdom, (7)University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, (8)University of Cambridge, Cambridge, United Kingdom, (9)National Centre for Atmospheric Sciences (NCAS), Leeds, United Kingdom, (10)National Centre for Atmospheric Science, University of Cambridge, Cambridge, United Kingdom, (11)University of Reading, Reading, United Kingdom, (12)Unversity of Reading, Reading, United Kingdom