The Working Group on Numerical Experimentation (WGNE), jointly
established by the WCRP Joint Scientific Committee (WCRP - JSC) and the WMO Commission for Atmospheric Sciences (CAS), which is responsible for WWRP and GAW, has the responsibility of fostering the development of atmospheric
circulation models for use in weather, climate,
water and environmental prediction on all time scales and diagnosing and resolving shortcomings (WMO / TD 121).