Michael Cartwright^1,2, Robert Parker^1,2, Dan Orr^1,2, Peter Somkuti³, Sukun Cheng^4,5, Keith Haines^4,5, Tristan L Quaife^4,5, Samantha Petch⁴, Alex Webb^3,6, Antonio Di Noia⁷ and Hartmut Boesch⁸, (1)University of Leicester, School of Physics and Astronomy, Leicester, United Kingdom, (2)National Centre for Earth Observation, Leicester, United Kingdom, (3)NASA Goddard Space Flight Center, Greenbelt, United States, (4)University of Reading, Department of Meteorology, Reading, United Kingdom, (5)National Centre for Earth Observation, Reading, United Kingdom, (6)University of Maryland, Earth System Science Interdisciplinary Center, College Park, United States, (7)University of Rome Tor Vergata, Department of Physics, Rome, Italy, (8)University of Bremen, Institute of Environmental Physics (IUP), Bremen, Germany