Quantifying the Location Error of Precipitation Nowcasts

Figure 7

Compilation of forecast versus observed tracks under different sinuosity conditions. Due to the different spatial extents of the windows, the scale of each subplot is different. Hence, a 10 km scale bar is provided for orientation. For each example, the observed track duration τ (in hours) and its sinuosity index SI are shown. The lead time of 120 minutes is highlighted by a larger dot. Some very long tracks have been capped at a maximum of 300 minutes for illustrative purposes.