Mark D Zelinka¹, Peter Martin Caldwell¹, Stephen A Klein¹, Karl E. Taylor² and Stephen Po-Chedley³, (1)Lawrence Livermore National Laboratory, Livermore, CA, United States, (2)Lawrence Livermore National Laboratory, Program for Climate Model Diagnosis and Intercomparison (PCMDI), Livermore, CA, United States, (3)University of Washington Seattle Campus, Seattle, WA, United States