Friday, 27 August 2021 13:31 UTC
Sunspot region 2859 produced a long duration C3.0 solar flare yesterday which launched a coronal mass ejection into space. The plasma cloud has a good chance to impact our planet in a few days time.
Sunspot region 2859 produced an interesting solar flare today which peaked at 18:18 UTC. The flare reached a maximum of C3.0 and looks eruptive. Any resulting CME could be earth-directed. We will update with more info later when coronagraph imagery becomes available. pic.twitter.com/zlKc8dad4o— SpaceWeatherLive (@_SpaceWeather_) August 26, 2021
The solar flare launched a partial halo coronal mass ejection at a speed of about 500km/s which is moderately slow. The partial halo signature of about 270 degrees gives us confidence that the plasma cloud has a good chance of arriving at Earth. Considering the speed of the plasma cloud, we expect it to arrive at Earth on Monday, 30 August. Active geomagnetic storm conditions (Kp4) are likely with a chance of minor G1 (Kp5) geomagnetic storm conditions.
Yesterday's C3.0 flare launched a partial halo coronal mass ejection which is likely to arrive at Earth on Monday, 30 August. Active geomagnetic storm conditions are likely with a chance of minor G1 geomagnetic storm conditions.— SpaceWeatherLive (@_SpaceWeather_) August 27, 2021
Follow it live on https://t.co/XHATH0OOfT pic.twitter.com/323TSgqr7w
A Type II Radio Emission was observed yesterday at 23:29 UTC. This was the result of an impulsive C3.9 solar flare from sunspot region 2860. The resulting coronal mass ejection was unimpressive and unlikely to arrive at Earth. Sunspot region 2860 has been growing during the past 24 hours and developed a Beta-Gamma magnetic layout. More C-class solar flare are possible from this sunspot region.
00:15 UTC - Type II Radio Emission— SpaceWeatherLive (@_SpaceWeather_) August 27, 2021
Begin Time: 26/08/2021 23:29 UTC
Estimated Velocity: 691km/sec.
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|Last geomagnetic storm||2023/11/25||Kp6 (G2)|
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|Monthly mean Sunspot Number|
|October 2023||99.4 -34.2|