Prediction of Moderate and Heavy Rainfall in New Zealand Using Data Assimilation and Ensemble

<div>24-hour rainfall amount (mm) valid at 0900 NZST 14 October 2010 greater than 50 mm (a) and 100 mm (b) from NIWA 0.05-degree grid point rainfall analysis. Occurrence probability higher than 0.6 for the corresponding forecasted 24-hour rainfall greater than 50 mm (c) and 100 mm (d) with analysis at 0600 NZST. Thin solid lines denote terrain contours with a 250-meter interval.</div>

Advances in Meteorology

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Figure 4

Figure 4: Prediction of Moderate and Heavy Rainfall in New Zealand Using Data Assimilation and Ensemble 