no AB-2 at the 1rst iteration for Gw (like what is done for Gu,Gv,Gt,Gs)
no AB-2 at the 1rst iteration for Gw (like what is done for Gu,Gv,Gt,Gs)

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h