Viewing archive of Tuesday, 31 March 2015

Select the desired archive item

Coronal hole, weak shock passage, filaments

Periods of minor G1 geomagnetic storming conditions were expected this weekend because a northward extension of the southern polar coronal hole was facing Earth. Enhanced solar wind flowing from this coronal hole was expected to influence Earth the past few days but it is clear now that this anticipated solar wind stream never arrived at Earth. Geomagnetic conditions have thus been relatively calm this weekend, far away from any kind of geomagnetic storm. This changed however this morning as a weak shock passage arrived at Earth.

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!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/23M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.7 -21.7
Last 30 days158.6 +10.8

This day in history*

Solar flares
12000X3.4
22000X2.87
32000X2.71
41998X1.54
51999M4.33
DstG
12001-221G4
21982-197G3
31986-86G2
41981-66
51991-65
*since 1994

Social networks