Coronal mass ejection arrival

Sunday, 26 February 2023 19:43 UTC

Coronal mass ejection arrival

A coronal mass ejection has arrived at our planet. This is likely the arrival of the coronal mass ejection that was launched during a filament eruption in combination with an M3 solar flare two days ago.

The coronal mass ejection arrived slightly earlier than expected which is good news. The solar wind speed has increased to over 500km/s with a total strength of the interplanetary field just under 20nT. The north-south direction of the IMF (Bz) has turned southward and is holding below -10nT at the moment. Minor G1 geomagnetic storm conditions are very much possible if these conditions hold.

This is the first of two coronal mass ejections that are expected to arrive. Tomorrow (27 February) we are expected to see the impact of the M6 coronal mass ejection which likely will be a stronger impact. The NOAA SWPC has issued a strong G3 geomagnetic storm watch for tomorrow, 27 February in response. Keep an eye on the data in the coming days right here on SpaceWeatherLive!

Thank you for reading this article! Did you have any trouble with the technical terms used in this article? Our help section is the place to be where you can find in-depth articles, a FAQ and a list with common abbreviations. Still puzzled? Just post on our forum where we will help you the best we can! Never want to miss out on a space weather event or one of our news articles again? Subscribe to our mailing list, follow us on Twitter and Facebook and download the SpaceWeatherLive app for Android and iOS!

Latest news


A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/02/22X6.3
Last M-flare2024/02/28M1.5
Last geomagnetic storm2024/03/03Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2024123 +8.8

This day in history*

Solar flares
*since 1994

Social networks