Coronal mass ejection arrival

Friday, 6 November 2015 - 17:54 UTC

Coronal mass ejection arrival

The M3.7 coronal mass ejection looks to have arrived at ACE already! A full 24 hours earlier than expected!

An explanation can be that the coronal hole solar wind stream cleared the space in front of the CME of ambient solar wind, causing very little deceleration.

At arrival, the solar wind speed jumped and is now close to 600km/s. The strength of the IMF is near 17nT with a southward directed Bz component of the IMF. A minor G1 geomagnetic storm watch is in effect for the coming hours.

Thank you for reading this article! Did you had trouble with some of 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

Support SpaceWeatherLive.com!

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!

91%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/05/14Kp7 (G3)
Number of spotless days in 2019:81
Current stretch spotless days:8

This day in history*

Solar flares
12003M1.9
21999M1.2
32003M1.0
42005C8.6
52003C7.4
ApG
1201318
2200316
3200015
4200713
5199513
*since 1994

Social networks