Solar GHI Ensemble Prediction Based on a Meteorological Model and Method Kalman Filter

Figure 5

Correlation diagrams of the observed GHI and the forecasted data for the intraday prediction, next-day prediction, 2-day ahead prediction, and ensemble mean with the meteorological model WRF only (, , and ensemble mean), with WRF and posttreatment Kalman filter (, , and ensemble mean), and the persistent prediction. (a) prediction, (b) prediction, (c) prediction, (d) prediction, (e) prediction, (f) prediction, (g) ensemble mean, (h) ensemble mean , and (i) persistent.

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