Ice formation and development in aged, wintertime cumulus over the UK: observations and modelling

- I. Crawford1, K. N. Bower1, T. W. Choularton1, C. Dearden1, J. Crosier1,2, C. Westbrook3, G. Capes1, H. Coe1, P. J. Connolly1, J. R. Dorsey1,2, M. W. Gallagher1, P. Williams1, J. Trembath4, Z. Cui5, and A. Blyth2,5