Preprint Open access
S2S-JEPA: Predicting the Predictable at Subseasonal-to-Seasonal Timescales
The subseasonal-to-seasonal (S2S) timescale, roughly from two weeks to two months ahead, is a critical forecast window for sectors such as agriculture, energy, and water management. Yet, it is widely known as the `predictability desert'. Recent AI weather models excel up to two weeks ahead but deteriorate beyond, large …