Viewing archive of Thursday, 31 December 2015

Select the desired archive item

CME effects continue: fireworks & aurora tonight?

Coronal mass ejection effects continue here at Earth and the IMF is slowly gaining strength.

Read more

Coronal mass ejection arrival

It took a little while but the anticipated coronal mass ejection has finally arrived. It hit ACE at 00:03 UTC which is less than an hour from our predicted arrival time.

Read more

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Iqaluit, NU
Nuuk
Sodankylä, Utsjoki
Reykjavik
Tromsø
Kiruna
The direction of the interplanetary magnetic field is slightly South (-6.27nT).

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

Friday, 21 February 2025
14:54 UTC - Solar flare

Moderate M1.41 flare

alert


14:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.41)


12:33 UTC - Solar flare

Moderate M3.39 flare

alert


12:18 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M3.39)


Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/21M1.4
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025151.4 +14.4
Last 30 days148.3 -13.8

This day in history*

Solar flares
12024M2.6
22014M1.62
32024M1.5
42023M1.5
52023M1.2
DstG
11988-97G2
21982-92G2
31990-82G1
41973-75G2
51957-73G2
*since 1994

Social networks