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Table 3.
Recommended verification measures for deterministic forecasts of rare events (WMO 2014).
| Mandatory | Highly recommended | Recommended |
|---|---|---|
| Hits | Frequency bias (FB) | Probability of false detection (POFD) |
| Misses | Proportion correct (PC) | Critical success index (CSI) |
| False alarms | Probability of detection (POD) | Peirce skill score (PSS) |
| Correct rejections | False alarm ratio (FAR) | Heidke skill score (HSS) |
| Equitable threat score (ETS) | Odds ratio (OR) | |
| Odds ratio skill score (ORSS) | ||
| Extremal dependence index (EDI) |
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