This research was supported in part by NSF ATM-0756624 (RJT) and contributes to the Clouds, Climate, and Extreme Weather initiative at Purdue University. This is Purdue Climate Change Research Center paper 1246.
Brooks, H. E., C. A. Doswell III, and M. P. Kay, 2003: Climatological estimates of local daily tornado probability for the United States. Wea. Forecasting, 18, 626–640.
Changnon, S. A., Jr., 1982: Trends in tornado frequencies: Fact or fallacy? Preprints, 12th Conf. on Severe Local Storms, San Antonio, TX, Amer. Meteor. Soc., 42–44.
Diffenbaugh, N. S., R. J. Trapp, and H. E. Brooks, 2008: Challenges in identifying influences of global warming on tornado activity. Eos, Trans. Amer. Geophys. Union, 89, 553–554.
Husak, G. J., J. Michaelsen, and C. Funk, 2006: Use of the gamma distribution to represent monthly rainfall in Africa for drought monitoring applications. Int. J. Climatol., 27, 935–944.
Wilks, D. S., 2006: Statistical Methods in the Atmospheric Sciences. 2nd ed. Academic Press, 627 pp.