This article was written by the South African National Space Agency (SANSA).
A geomagnetic storm was triggered by a long-duration X1.9 Solar Flare, on Sunday 18 January at around 20:00 South African Standard Time (SAST).
The outcome, is a geomagnetic storm increase over the next 24 hours, and an arrival of an Earth-directed coronal mass ejection (CME).
