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  "retrievedAt": "2026-08-24T19:55:27.572Z",
  "createdAt": "2026-07-26T05:58:12.539Z",
  "updatedAt": "2026-07-26T05:58:12.539Z",
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    "text": "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."
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      "text": "The forced LENS2 ensemble mean has the same sign as all observed weather-regime trends, but the observed WR2 and WR3 trends lie entirely outside the ensemble range, and only 7 of 100 members have a more negative WR1 trend than observed.",
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      "text": "CESM2 forced circulation trends are much weaker than the observed trends in every identified weather regime, implying that internal variability likely dominates.",
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