Fig. 4From: Observations of high-latitude geomagnetic field fluctuations during St. Patrick’s Day storm: Swarm and SuperDARN measurementsGeophysical and interplanetary parameters in the analysed period. Variations of geomagnetic activity indices, interplanetary magnetic field (IMF) and solar wind parameter for the analysed time interval (13–25 March 2015). (First to sixth panel) High-latitude auroral electrojet index AE, low-latitude index Sym-H, IMF magnitude B, north–south component of IMF \(B_z\), solar wind speed v, dynamical pressure P and proton densityBack to article page