The authors wish to thank Dr. Sid Clough for his encouragement and input. Hannah Pomroy was in receipt of a NERC CASE research studentship; the CASE partner being the U.K. Meteorological Office. We also thank Dr. Morwenna Griffiths for her helpful comments concerning PV inversion and the Limited Area Model, Dr. Ed Dicks for programming assistance, Dr. Heini Wernli for the use of his trajectory code, and Michal Ziemianski for use of the nonlinear balance inverter code.
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