Array of dimension year by longitude by latitude.The initial forecasts are from the European Center for Medium-Range Weather Forecasts (ECMWF) ensemble at a 2.5-month lead time. They have been converted to a Polar stereographic grid. Model output is available from the Sea Ice Prediction Network Predicatability Portal or the Copernicus Climate Change Service data store.
data(ppe_9_2008)array
Copernicus Climate Change Service (2019). Description of the c3s seasonal multi-system. https://confluence.ecmwf.int/display/COPSRV/Description+of+the+C3S+seasonal+multi-system
Sea Ice Prediction Network (2019). Sea ice prediction network predictability portal. https://atmos.uw.edu/sipn/.