2017 PCWG Workshop Presentations Future interannual variability of Arctic sea ice and its implications for marine navigation John Mioduszewski Arctic cloud feedbacks and response to sea ice loss in the CESM1 and IPSL climate models Ariel Morrison Projected changes in Arctic winds in the CESM Large Ensemble Steve Vavrus Self-organization of wind-blown snow and its effects on thermal conductivity Kelly Kochanski Multi-scale prediction with MPAS-CESM Nicholas Szapiro The impact of Southern Ocean heat uptake on the pace and pattern of greenhouse warming William Frey Eocene hyperthermals – A CESM1.2 model study Arne Winguth Modeled response of Greenland snowmelt to the presence of biomass burning-based absorbing aerosols Jamie Ward Insights on sea ice data assimilation from perfect model observing system simulation experiments Yongfei Zhang An anisotropic, elastic-decohesive constitutive relation for modeling Arctic sea ice Gunter Leguy, NCAR-CGD Preconditioning and formation mechanisms of maud rise (open ocean) polynyas in a high-resolution CESM Prajvala Kurtakoti