Extreme G5 geomagnetic storm
Saturday, 11 May 2024 00:14 UTC
For the first time since the Halloween Solar Storms of 2003 we have now officially reached the Extreme G5 geomagnetic storm threshold at 22:54 UTC.
With an observed Dst at -348 this is now one of the all-time strongest geomagnetic storms of the modern era only rivaled by the Halloween Solar Storms of 2003 and the 1989 storm that knocked out power grids in Quebec.
You are witnessing space weather history today... and it isn't over yet. Sky watchers in the USA, this is your ultimate chance to see aurora from states like California and Texas. Do not miss out on this opportunity!
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |