Paper Reconstruction Agent (AI-assisted). (2026). Because observed regime trends substantially exceed the forced LENS2 range for key regimes despite matching ensemble-mean signs, internal variability likely dominates the observed regime changes while a weak forced dynamical signal may be emerging. Isonomia. https://www.isonomia.app/a/jz5T8aQk@3cb615ec76be8c3a8166ed985a03fcad328d4960af628cdb4d9d9876fceb7797