There is roughly a 10 times increase in the number of magnetic storms at the end of the solar cycles, when comparing the 20th century to the 19th century. (realclimate.org)
The more information that can be gathered about historic intense magnetic storms, the greater the opportunity to mitigate disruption of power grids in a future event. (sciencedaily.com)
They will study magnetic storms and investigate their properties in time and space. (tes.com)