Space weather - page 5

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Impulsive M7.6 solar flare erupts from Region 2422

An impulsive solar flare measuring M7.6 erupted at 14:58 UTC on September 28, 2015 from geoeffective Active Region 2422. The event started at 14:53, and ended at 15:03 UTC. There were no radio signatures that would suggest a Coronal Mass Ejection (CME) was produced duri

September 28, 2015

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Impulsive M3.6 solar flare erupts from Region 2423

An impulsive solar flare measuring M3.6 at its peak time erupted at 03:55 UTC on September 28, 2015 from Active Region 2423 located near the west limb. The event started at 03:45 and ended at 03:59 UTC. Impulsive solar flares usually don't produce Coronal Mass Eject

September 28, 2015

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M1.9 solar flare erupts from Sun's central region 2422

Active Region 2422, located almost at the center of the solar disk, erupted with M1.9 solar flare at 10:40 UTC on September 27, 2015. The event started at 10:20 and ended at 10:46 UTC.This region has 'Beta-Gamma-Delta' magnetic configuration and is capable of pr

September 27, 2015

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Long duration M2.1 solar flare erupts from Region 2415, CME produced

A long duration solar flare measuring M2.1 at its peak time erupted from Region 2415 at 18:03 UTC on September 20, 2015. The event started at 17:32 and ended at 18:29 UTC.A Type II Radio Emission with estimated velocity of 1358 km/s was produced by this event. Type II

September 20, 2015

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CME impact: Geomagnetic storm reaching G3 Strong levels in progress

Geomagnetic storm reaching G3 Strong levels is currently in progress as a result of Coronal Mass Ejection (CME) impact on top of Coronal Hole High Speed Stream (CH HSS) influence.The CME, produced by September 18th C-class solar flare, reached our planet at 06:05 UTC on

September 20, 2015

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Moderately strong M1.1 solar flare erupts from Region 2415

Active Region 2415, now located at the center of the solar disk, erupted with moderately strong M1.1 solar flare at 09:40 UTC on September 17, 2015. The event started at 09:34, and ended at 09:45 UTC. There were no radio signatures that would suggest a Coronal Mass

September 17, 2015

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Geomagnetic storming continues: G3 Strong levels reached on September 11

​Our planet's magnetic shield is again under stress today with brief G3 Strong geomagnetic storm levels reached around 09:00 UTC. The storms began on September 7 with positive polarity coronal hole reaching geoeffective position and an impact of plasma filament

September 11, 2015

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Why aurora is everywhere today: Solar storm news - September 10, 2015 with Dr. Tamitha Skov

The Earth continues to be slammed this week by a huge solar storm that has raged for several days, Dr. Tamitha Skov of the SpaceWeather.TV reports today. It started on September 7 and has kept us at moderate storm conditions nearly continuously since. Spectacular aurora

September 10, 2015

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Geomagnetic storm reaching G2 Moderate levels in progress

Geomagnetic storm reaching G2 Moderate levels is currently in progress due to the influence of a positive polarity coronal hole high speed stream (CH HSS). Geomagnetic K-index of 5 (G1 Minor) threshold was first reached at 15:00 UTC on September 7. K-index of 6 (G2 Mode

September 07, 2015

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11th M-class solar flare erupts from Region 2403, geomagnetic storm in progress

On August 28, 2015, departing Region 2403 produced its 10th and 11th M-class solar flare since it rotated onto the Earth side of the Sun. The first event started at 13:04, peaked at 13:16 as M2.2, and ended at 13:23 UTC. The second event started at 18:56, peaked at

August 28, 2015

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Geomagnetic storming expected to continue over the next two days

Geomagnetic storm reaching G2-Moderate levels has been observed on August 27, 2015, mostly due to effects of August 22 CME that arrived late on August 25. This activity is expected to slightly wane throughout the day, but active levels are again expected later in the da

August 27, 2015

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Long duration M2.9 solar flare erupts from Region 2403

A moderately strong solar flare measuring M2.9 at its peak time erupted from Region 2403 on August 27, 2015. This was a long duration flare; the event started at 04:48, peaked at 05:44 and ended at 06:03 UTC.There were no associated radio signatures that would suggest a

August 27, 2015

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Region 2403 produces its 7th and strongest M-class solar flare yet - M5.6 on August 24

At 07:33 UTC on August 24, Active Region 2403 produced its 7th M-class solar flare, and strongest so far, since it rotated onto the Earth side of the Sun. Today's event was impulsive in nature, it started at 07:26, peaked at 07:33 as M5.6 and ended at 07:35

August 24, 2015

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Geomagnetic storm reaching G2 - Moderate levels in progress, CME hit expected on August 24

A co-rotating interaction region (CIR) ahead of a series of positive polarity coronal hole high speed streams (CH HSS) is causing elevated geomagnetic field levels on Sunday, August 23, 2015.A further enhancement is expected early to midday August 24 with the arrival

August 23, 2015

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4th M-class flare: M1.2 from Region 2403 peaks at 06:49 UTC on August 22 producing a CME

Region 2403 erupted with its fourth M-class solar flare at 06:49 UTC on August 22, 2015. The latest event started at 06:39, peaked at 06:49 as M1.2, and ended at 06:59 UTC. Radio signatures indicate a Coronal Mass Ejection (CME) was produced.A Type II Radio Emission wit

August 22, 2015

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Third M-class solar flare of the day erupts from Region 2403: Long duration M1.1

At 20:34 UTC on August 21, Region 2403 erupted with its third M-class solar flare of the day. The event started at 19:10, peaked at 20:34 as M1.1 and ended at 20:50 UTC.This was a long duration event. However, there were no recorded radio signatures that would suggest a

August 21, 2015

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Moderately strong M1.4 solar flare and CME produced by Region 2403

A second M-class solar flare of the day erupted from Region 2403 at 09:48 UTC on August 21, 2015. The event started at 09:34, peaked at 09:48 as M1.4 solar flare, and ended at 10:07 UTC. Radio signatures suggest a Coronal Mass Ejection (CME) was produced. These are the

August 21, 2015