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Fig. 2 | Earth, Planets and Space

Fig. 2

From: High-latitude ionospheric irregularities: differences between ground- and space-based GPS measurements during the 2015 St. Patrick’s Day storm

Fig. 2

Variations in the interplanetary magnetic field (IMF) and geomagnetic parameters during March 15–20, 2015. From top to bottom: IMF Bz component, solar wind speed (Vsw), solar wind ram pressure (Psw), geomagnetic auroral electrojet index (AE) and index of geomagnetic activity (SYM-H). The red line indicates the sudden storm commencement (SSC) time (04:45 UT)

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