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Strong G3 geomagnetic storm

We were wrong! The coronal mass ejection we talked about back on 22 August did arrive at Earth and sparked strong G3 geomagnetic storming conditions today. A big surprise for everyone which goes to show how unpredictable space weather is.

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/03/17Kp5 (G1)
Number of spotless days in 2019:53
Last spotless day:2019/03/17

This day in history*

Solar flares
11998M2.3
22000M2.0
32011M1.4
42000M1.3
52012M1.0
ApG
1200128G1
2200322G1
3199421G1
4201519
5201815
*since 1994

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