WMO485titlepage
regions: Tropics 20°N to 20°S; Northern extratropics ≥20°N; Southern extratropics ≤20°S. Precipitation anomalies within standard regions: Tropics 20°N to 20°S; Northern extratropics ≥20°N; Southern extratropics ≤20°S. 3.1.2 Scores and diagrams to be produced for probabilistic forecasts: Reliability