(follow the model version links below for more details)
CY43R1
- changes include increased ocean model resolution to 1/4 degree and active sea-ice
- operational since 22/11/2016 (included)
CY41R2
- operational from 8/03/2016 (included) to 22/11/2016 (excluded)
CY41R1
- changes include extension of re-forecast ensemble size to 11 twice-weekly and forecast length to 46 days
- operational from 14/05/2015 (included) to 8/03/2016 (excluded)
CY40R1
- operational before 14/05/2015 (excluded)