Latest news updates

Coronal hole, Aurora forecast page

Saturday, 25 February 2017 - 22:04 UTC

Coronal hole, Aurora forecast page

Solar activity is very low today and expected to remain so in the foreseeable future as no sunspot regions on the earth-facing side of the solar disk are complex enough to produce C, M or X-class solar flares. Sunspot region 2638 did gave us a few C-class solar flares during the past few days but it is not a sunspot region to get really excited about. That means we have to shift our attention (like we've been doing for quite some time now) to another solar feature that we've all become very familiar with: coronal holes. Today we have such a coronal hole facing our planet and it is now sending an enhanced solar wind stream towards our planet that is expected to arrive within the next 48 to 72 hours.

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Ambient solar wind, Coronal hole

Sunday, 12 February 2017 - 19:46 UTC

Ambient solar wind, Coronal hole

Space weather has been very quiet the past few days. The solar wind conditions at Earth are at ambient levels and the geomagnetic activity at our planet is not expected to surpass Kp2 until the next coronal hole solar wind stream arrives. On the Sun we only have one sunspot region on the earth-facing side of the solar disk (sunspot region 2635) but it is not complex enough to produce C, M or X-class solar flares. There is only one interesting solar feature worth discussing at the moment and that is an earth-facing coronal hole.

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Coronal hole faces Earth

Sunday, 29 January 2017 - 12:24 UTC

Coronal hole faces Earth

Solar activity hit low levels yesterday (thanks to a C-class solar flare) but we will likely drop down to very low solar activity today as there are no sunspot regions on the earth-facing solar disk which look like they are complex enough to produce C, M or X-class solar flares. That doesn't mean we are heading into a period of quiet space weather as a large coronal hole is facing our planet today and sending an enhanced solar wind stream towards our planet.

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Sunspot region 2628

Saturday, 21 January 2017 - 13:25 UTC

Sunspot region 2628

Our Sun is showing signs of life this morning as it produced two strong C-class solar flares.

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Coronal hole faces Earth

Sunday, 15 January 2017 - 21:41 UTC

Coronal hole faces Earth

The northern hemisphere polar coronal hole with an extension all the way down to the solar equator is back and sending an enhanced stream of solar wind towards our planet.

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Two new pages

Saturday, 7 January 2017 - 14:50 UTC

Two new pages

We are beginning the new year at full speed as we added two new pages on SpaceWeatherLive today.

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Major changes to the Kp alert system

Tuesday, 3 January 2017 - 19:31 UTC

Major changes to the Kp alert system

As most of you are aware, we have an extensive system running behind the scenes that automatically issues all kinds of space weather related alerts on our Twitter channel, browser push alerts and email alerts. One of the alerts that we issue are those related to the Kp-index.

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Coronal hole faces Earth

Monday, 2 January 2017 - 14:57 UTC

Coronal hole faces Earth

Solar activity remains very low (there are no numbered sunspot regions on the earth-facing side of the solar disk today) but 2017 is off to a good start anyway. A large coronal hole is facing our planet today and sending an enhanced solar wind stream towards our planet.

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Happy New Year!

Saturday, 31 December 2016 - 18:30 UTC

Happy New Year!

Happy new year everyone! Congratulations on surviving yet another trip around our Sun!

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Coronal hole faces Earth

Wednesday, 28 December 2016 - 12:00 UTC

Coronal hole faces Earth

The solar wind speed is finally dropping back down to ambient levels after being enhanced for well over a week. This was of course due to a massive coronal hole. However, we are likely soon going to see yet another uptick in geomagnetic activity because we have a coronal hole facing our planet today.

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Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 20% 10%
Middle latitude 1% 1%
Predicted Kp max 2
Solar activity
M-class solar flare 1%
X-class solar flare 1%

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2016/11/29M1.2
Last geomagnetic storm:2017/02/24Kp5 (G1)
Number of spotless days in 2017:11
Current stretch spotless days:2

This day in history*

Solar flares
12002M2.2
22002M1.6
32002C7.9
42002C7.1
52002C6.8
ApG
1200330G1
2199730G3
3199525G1
4201420G1
5201219G1
*since 1994