2015 WAWG Workshop Presentations State of the WACCM Andrew Gettelman, NCAR-CGD A new prognostic representation of stratospheric sulfate aerosols in CESM Mike Mills, NCAR-CGD CCMI SD-WACCM / MERRA Evaluations Doug Kinnison WACCM-X developments Stan Solomon Climatic effects of aerosols from a large meteor impact Chuck Bardeen WACCM studies at CU Boulder Lynn Harvey The QBO and vertical resolution in WACCM Yaga Richter, NCAR-CGD Comparing the gravity wave parameterization in WACCM to observations Anne Smith