Monthly precipitation anomalies in HIST have an average domain correlation of 0.85 with ERA5, although correlations are strongest in western Europe and decline eastward.
Evidence (2)
European summer drying largely driven by atmospheric circulation changes since the 1980s — Circulation-storyline design and validation of nudged simulations
with an average correlation of 0.85 over the domain
https://doi.org/10.1038/s41561-026-02050-w#unit-2-p9
European summer drying largely driven by atmospheric circulation changes since the 1980s — Circulation-storyline design and validation of nudged simulations
The highest Pearson correlation values for monthly precipitation anomalies are found in western Europe and decrease eastwards, with an average correlation of 0.85 over the domain (Fig.
https://doi.org/10.1038/s41561-026-02050-w#unit-2-p9
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