Regression to the mean can explain saturation of geomagnetic storms

Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10757-4The saturation of geomagnetic activity with solar wind strength can be explained by a regression to the mean effect, suggesting that the impact of extreme geomagneti…

Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10757-4

The saturation of geomagnetic activity with solar wind strength can be explained by a regression to the mean effect, suggesting that the impact of extreme geomagnetic storms can be twice as large as previously thought