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Coronal mass ejection arrival

Sunday, 16 July 2017 - 09:47 UTC

Coronal mass ejection arrival

The anticipated coronal mass ejection from the M2.4 solar flare has arrived at Earth. It arrived at DSCOVR at 05:15 UTC which is about 9 hours earlier than we expected, and more than 15 hours earlier than the NOAA SWPC expected.

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Earth-directed coronal mass ejection

Friday, 14 July 2017 - 16:06 UTC

Earth-directed coronal mass ejection

Sunspot region 2665 erupted this night with an M2.4 (R1-Minor) solar flare that peaked at 02:09 UTC. It was a long duration and highly eruptive event. More information about the solar flare can be found in the article that we wrote this morning.

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Eruptive M2.4 solar flare

Friday, 14 July 2017 - 03:34 UTC

Eruptive M2.4 solar flare

Decaying sunspot region 2665 (Beta, S07W31) produced a very long duration M2.44 solar flare that is still in progress at the time of writing. Indeed a big surprise as its magnetic layout remains rather simple and that means such a solar flare was very unlikely to happen.

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M1.3 solar flare, G1 geomagnetic storm

Sunday, 9 July 2017 - 10:44 UTC

M1.3 solar flare, G1 geomagnetic storm

An M1.38 solar flare took place this night that peaked at 03:18 UTC. It came from the only numbered sunspot region on the earth-facing solar disk: sunspot region 2665.

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M1.3 solar flare from departing sunspot region 2664

Monday, 3 July 2017 - 16:48 UTC

M1.3 solar flare from departing sunspot region 2664

Now that is what we call a surprise! Departing sunspot region 2664 which is now behind the west limb just produced an M-class solar flare! Yes, you heard that right. It was an impulsive M1.3 solar flare that peaked at 16:15 UTC. This was the first M-class solar flare since an M5.8 solar flare that took place on 3 April. That is today exactly three months ago!

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Coronal mass ejection arrival

Saturday, 1 July 2017 - 17:26 UTC

Coronal mass ejection arrival

A coronal mass ejection shock arrived at DSCOVR today at 16:27 UTC and it increased the total strength of the interplanetary magnetic field to a respectable 18nT.

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Weak CME could give us a glancing blow

Thursday, 29 June 2017 - 23:13 UTC

Weak CME could give us a glancing blow

Yes, a sign of life from your SpaceWeatherLive staff! It has been a very quiet space weather period the past few weeks with pretty much no geomagnetic or solar events worth mentioning. We did reach the minor G1 geomagnetic storm levels briefly 2 weeks ago but that was nothing too spectacular. Our Sun is even more quiet: its been almost 3 months ago since we last had an M-class solar flare and the last C-class solar flare was also a solid 3 weeks ago. Does that mean you are reading a news article without any news? Not exactly as a possibly interesting eruption took place yesterday that could give us some aurora in a few days from now.

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Small coronal hole faces Earth

Saturday, 10 June 2017 - 09:08 UTC

Small coronal hole faces Earth

We're in a really quiet space weather period at the moment and there were no major space weather events the past week.

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Strong G3 geomagnetic storm

Sunday, 28 May 2017 - 14:50 UTC

Strong G3 geomagnetic storm

A coronal mass ejection arrived at our planet yesterday and managed to cause an unexpectedly strong geomagnetic storm. The strong G3 geomagnetic storm threshold was reached today at 04:19 UTC.

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Weak CME could give us a glancing blow

Wednesday, 24 May 2017 - 13:30 UTC

Weak CME could give us a glancing blow

A weak coronal mass ejection (CME) was launched yesterday by an eruption near the center of the earth-facing solar disk. The resulting coronal mass ejection might have an earth-directed component.

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Current data suggest that it is not possible to see aurora now at middle latitudes
Active geomagnetic conditions
Observed Kp: 4
The solar wind speed is currently moderately high (619.7 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 40%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waning Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/07/14M2.4
Last geomagnetic storm:2017/07/17Kp6 (G2)
Number of spotless days in 2017:47
Current stretch spotless days:4

This day in history*

Solar flares
12000M5.5
22000M3.3
32000M1.9
42000M1.9
52000M1.7
ApG
1200521G1
2200220G1
3199914G1
4201112
5200710
*since 1994