These forecasts were generated at least 5 days per week (M-F) from about May 1 through June 18. A wide range of meteorological scenarios developed and evolved during this period, producing tornadoes, large hail, high winds, flooding, and aviation hazards, among other disruptive impacts. Model output was examined briefly as part of daily Spring Experiment activities and some differences in performance characteristics WSM6 and WDM6 have already been noted. A more detailed comparison of archived output is expected to reveal unique information about the relative performance of the WSM6 and WDM6 schemes under a variety of conditions. This information will be used to assess the potential benefits of double-moment vs. single-moment microphysical parameterizations in generating numerical guidance for severe weather forecasters. Results from this investigation will be presented at the conference.