Friday, 10 November 2023 16:17 UTC
A full halo Coronal Mass Ejection (CME) left the Sun around 12 UTC on 9 November. The CME was the result of a filament eruption close to the center of the earth-facing solar disk.
The coronal mass ejection left the Sun at a speed of around 500km/s and will likely interact with a coronal hole solar wind stream as displayed on the ENLIL solar wind model which you can see below. This makes forecasting an estimated arrival time hard but the NOAA SWPC expects the arrival to take place late on 11 November but it would not surprise us if the CME arrives after midnight UTC on 12 November. Minor (G1) to moderate (G2) geomagnetic storm conditions are expected after the plasma cloud arrives.
A filament eruption yesterday launched an asymmetrical full halo coronal mass ejection towards our planet. The cloud of solar plasma is expected to arrive late on 11 November. Minor (G1) to moderate (G2) geomagnetic storm conditions are expected once the CME passes Earth. pic.twitter.com/RBBDwe3iVU— SpaceWeatherLive (@_SpaceWeather_) November 10, 2023
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|Last geomagnetic storm||2023/11/25||Kp6 (G2)|
|Last spotless day||2022/06/08|
|Monthly mean Sunspot Number|
|October 2023||99.4 -34.2|