id summary reporter owner description type status priority milestone component version severity resolution keywords cc 1375 degradation of North Atlantic solution in ORCA025 at 3.6 davestorkey nemo "The solution in the North Atlantic seems to be significantly degraded at 3.6 compared to previous versions. From other tests I think this is due to the changes to the EEN momentum advection scheme in dynvor.F90. Attached pictures are 5-year means from a 10-year spinup forced with CORE2 atmospheric forcing. The SSH shows that at 3.6 the Gulfstream overshoots more at the separation point and then is too zonal at the ""northward turning"". This results in the return of the familiar cold bias in that region as seen in the SST plots. " Defect closed normal OCE v3.6 fixed