1. C. W. Landsea is at the NOAA National Hurricane Center, Miami, FL 33165, USA.
2. B. A. Harper is with Systems Engineering Australia Pty. Ltd., Bridgeman Downs, Queensland 4035, Australia.
3. K. Hoarau is at the Cergy-Pontoise University, 95011 Cergy-Pontoise Cedex, France.
4. J. A. Knaff is at the NOAA Cooperative Institute for Research in the Atmosphere, Fort Collins, CO 80523, USA.