Four nights ago we saw an unexpected G1 geomagnetic storm that produced aurora which was visible even from middle latitude locations like England and the Netherlands. This was the work of a coronal hole solar wind stream that tipped the north-south direction of the IMF (Bz) southward during multiple hours.
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Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
Spotless days | |
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