Robustness of the Rainpak Algorithm for Storm Direction and Speed
The objective of this chapter is to present an investigation of the robustness of an algorithm for storm direction and speed. The algorithm is used in a utility called "Rainpak" in PCSWMM. In this chapter we first present an approach for estimating the mean speed and direction of a multi-cellular rainstorm using rate-of-rain gages. The code for spatial analysis of storms and their cells is described. Then we present a Monte Carlo analysis of rain storms observed in Toronto and Hamilton, Ontario, in which we demonstrate the robustness of the analysis with respect to observational uncertainty.
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