The Spatial Pattern of the Sun-Hurricane Connection across the North Atlantic
Figure 5
September sunspots (SSN) and regional hurricane counts under varying region sizes. (a) Regional North Atlantic hurricane count differences for the thirty-five highest and lowest SSN seasons from 1851 to 2010 for region sizes of 1,991,921 km2, (b) 995,961 km2, (c) 249,870 km2, and (d) 124,935 km2.
