Viewing archive of Sunday, 21 December 2014

Select the desired archive item

M6.9 coronal mass ejection arrival

The M6.9 coronal mass ejection has arrived at the ACE satellite. First signs are looking promising for enhanced auroral conditions as the direction of the IMF is cooperating. It is currently directed southward and occasionally dipping below -10nT. A minor G1 geomagnetic storm watch remains in effect as the solar wind and IMF parameters are promising.

Read more

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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/21M1.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024100.9 -51.6
Last 30 days114.1 -42.1

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

Social networks