Z700 anomaly Rank histogram at global, NAtl(20-70N, 110W-40E) and WNPac(20-70N, 110E-180) ERA5 as observation data. Rank histogram is ranking frequency of observation data with ensemble members. Histogram all flat -> good ensemble distribution. Large at most right bin -> model members are overestimate. Large at most left bin -> model members are underestimate. Bell shape -> model simulation is too diverse. Inverted bell shape -> model simulation is too concentrated.
| season | leadSeason=1 | leadSeason=2 | leadSeason=3 | leadSeason=4 |
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| NAtl | ||||
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