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G1 storm, Incoming CME?

We reached the minor G1 geomagnetic storm threshold today thanks to the arrival of the anticipated coronal hole solar wind stream. The solar wind speed fluctuates around 600km/s and the direction of the IMF (Bz) is variable but does occasionally tip southward down to -10nT. These stats are very decent so a minor G1 geomagnetic storm watch remains in effect for the remainder of this day and tomorrow, 22 March 2017. There is however more to report so keep on reading!

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Senaste X-utbrottet2024/05/08X1.0
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Månadsvis faktiskt antal solfläckar
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Last 30 days161.9 +69.9

I dag i historien*

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*sedan 1994

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