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In addition to exploring alternative configurations of the CAM for diagnostic purposes, CMS staff continue to extend standard turn-key and other diagnostic capabilities. Caron has been developing quantitative methods for analyzing the structure of the Madden-Julian Oscillation (MJO) using the eastward propagating MJO-period OLR as an index (as in Wheeler & Kiladis 1999). Caron has also been developing diagnostic techniques for examining the diurnal cycle of warm-season convection in T31, T42, T85, and T170 CAM for the Southern Great Plains as well as other regions around the globe, such as the Tropical Western Pacific Ocean, and Amazonia where data exist for comparison from various field experiments. An important component of this diagnostic work has been a comparison of the individual terms of the warm-season water vapor budget for a point in the Southern Great Plains in CAM simulations with IOP data (from Zhang et al 2001). Caron has also been working in collaboration with Junhong Wang, and Dave Parsons to look at the structure of the diurnal cycle of the Low-Level Jet over the Southern Great Plains compared to results from IHOP.