Saturday, 20 May 2023 13:07 UTC
There as been a lot of M-class flare activity the past few days coming from sunspot region 3311 including an M6.4 solar flare (R2-moderate) which peaked today at 07:32 UTC and an M8.9 solar flare (strongest from this region thus far) which peaked just a couple of moments ago at 12:35 UTC. This latest solar flare is the third solar flare from this sunspot region which peaked above the M5 threshold.
Strong M8.96 flare from sunspot region 3311
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No coronal mass ejections worth mentioning have been launched by sunspot region 3311 but more M-class solar flares are likely with a slight chance of an isolated X-class event. Sunspot region 3311 should be monitored as it rotates towards an earth-facing position as any coronal mass ejections being launched will have a higher chance to strike Earth. It is still unknown if the M8.9 solar flare launched a coronal mass ejection but the solar flare is impulsive and we do not expect it to be eruptive.
An unexpected coronal mass ejection passage which arrived just before 21 UTC yesterday pushed the north-south direction of the IMF (Bz) to a low of -17nT just after midnight (UTC) today. Moderate G2 (Kp6) geomagnetic storm conditions were observed. The current solar wind conditions are still elevated but further geomagnetic storm conditions are unlikely today.
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Last X-flare | 2024/11/06 | X2.39 |
Last M-flare | 2024/11/13 | M1.7 |
Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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October 2024 | 166.4 +25 |
November 2024 | 166 -0.4 |
Last 30 days | 163.2 +18.4 |