Fig. 5: The spatial distribution of Theil-Sen slopes of gridded annual tornado reports for each cluster, respectively.

Areas with trends significantly different from 0 (no change) are hatched, assessed at p values ≤0.05 using Kendall’s τ statistic.
Areas with trends significantly different from 0 (no change) are hatched, assessed at p values ≤0.05 using Kendall’s τ statistic.