National Centre for Atmospheric Science, Department of Meteorology, University of Reading, Earley Gate, Reading RG6 6BB, UK
Paul D. Williams
School of Environmental Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
Manoj M. Joshi
P.D.W. and M.M.J. jointly conceived the study. P.D.W. computed the turbulence diagnostics, produced the figures and wrote the paper with input from M.M.J. The authors discussed the results and implications with each other at all stages.
Competing financial interests
The authors declare no competing financial interests.