David Lowe, National Institute of Water and Atmospheric Research, Wellington, New Zealand; and T. Bromley, B. Allan, and K. Koshy

Karin Kreher, National Institute of Water and Atmospheric Research, Omakau, Central Otago, New Zealand; and R. Schofield and U. Friess

Robyn Schofield, National Institute of Water and Atmospheric Research, Omakau, Central Otago, New Zealand; and K. Kreher, B. Connor, P. Johnston, A. Thomas, and S. Wood

Peter D Tyson, University of the Witwatersrand, Johannesburg, South Africa

Anne M Thompson, NASA/GSFC, Greenbelt, MD; and J. C. Witte, F. J. Schmidlin, S. J. Oltmans, V. W. J. H. Kirchhoff, G. J. R. Coetzee, F. Posny, T. Ogawa, J. P. F. Fortuin, and H. Kelder

D. R. Kniveton, University of Sussex, Falmer, Brighton, United Kingdom; and M. C. Todd and J. Sciare

Darryn W Waugh, Johns Hopkins UNiversity, Baltimore, MD

Roseanne D Diab, University of Natal, Durban, South Africa, Durban, South Africa; and G. Mahumane, A. Raghanundan, A. M. Thompson, V. Thouret, and J. P. Cammas

David Noone, California Institute of Technology, Pasadena, CA; and Y. Yung and R. L. Shia