Overview: The CLoud-Aerosol-Radiation Interaction and Forcing: Year-2017 (CLARIFY-2017) measurement campaign - Haywood, J. M.; Abel, S. J.; Barrett, P. A.; Bellouin, N.; Blyth, A.; Bower, K. N.; Brooks, M.; Carslaw, K.; Che, H.; Coe, H.; Cotterell, M. I.; Crawford, I.; et al. (Atmos. Chem. Phys. Discuss., 2020)