Research Article
Optimal Physics Parameterization Scheme Combination of the Weather Research and Forecasting Model for Seasonal Precipitation Simulation over Ghana
Table 3
The four different statistics, for the whole of Ghana as a unit, for the (a) dry year and (b) wet year.
(a) Dry year (2001) |
| Confs | R | Σ | RMSE | BIAS |
| Conf1 | 0.88 | 1.76 | 1.00 | 6.17 | Conf2 | 0.97 | 2.33 | 1.38 | 3.00 | Conf3 | 0.88 | 1.66 | 0.88 | 61.99 | Conf4 | 0.94 | 2.39 | 1.50 | 4.13 | Conf5 | 0.86 | 1.90 | 1.13 | 63.77 | Conf6 | 0.88 | 1.57 | 0.82 | 35.88 | Conf7 | 0.86 | 1.85 | 1.11 | 2.93 | WRF-EM | 0.88 | 1.89 | 0.88 | 4.06 | ERA | 0.77 | 0.97 | 0.65 | 0.70 |
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(b) Wet year (2008) |
| Confs | R | σ | RMSE | BIAS |
| Conf1 | 0.95 | 2.09 | 1.15 | 5.39 | Conf2 | 0.93 | 1.96 | 1.10 | −7.43 | Conf3 | 0.88 | 1.70 | 0.90 | 48.79 | Conf4 | 0.90 | 2.63 | 1.80 | −2.98 | Conf5 | 0.85 | 1.77 | 1.06 | 43.84 | Conf6 | 0.86 | 1.55 | 0.85 | 21.09 | Conf7 | 0.96 | 1.96 | 1.06 | 4.68 | WRF-EM | 0.91 | 1.79 | 0.95 | −0.09 | ERA | 0.82 | 0.41 | 0.70 | −13.35 |
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