We are grateful to the National Centers for Environmental Prediction (NCEP) for providing the original computer code for the MRF model in 1985 and for providing initial conditions and boundary conditions data sets that have been used in over a decade of research with the model at COLA. Support for the preparation of this document was provided by the National Science Foundation (ATM-9321354), the National Oceanic and Atmospheric Administration (NA76GP0258), and the National Aeronautics and Space Administration (NAGW-5213).