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Figure 16 | Progress in Earth and Planetary Science

Figure 16

From: Short-term variability of the Sun-Earth system: an overview of progress made during the CAWSES-II period

Figure 16

Number of major storms (Dst ≤ −100 nT) from September 1995 to April 2014. The black, red, and blue plots denote cycles 22, 23, and 24, respectively. The single arrow in the within the cycle-23 interval corresponds to the first 66 months of cycle 23 (May 1996 to November 2001) used for comparing with the current length of cycle 24 (December 2008 to April 2014). The first major storm occurred only in October 2011.

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