Solar activity

Moderately strong M1.8 solar flare erupts from Region 2497

A moderately strong solar flare measuring M1.8 at its peak time erupted from 'Beta-Gamma-Delta' classified Region 2497 at 15:24 UTC on February 13, 2016. The event started at 15:16 and ended at 15:24 UTC. There were no radio signatures that would suggest a...

February 13, 2016

Asymmetric, Earth-directed partial-halo CME and M1.0 solar flare erupted from Region 2497

An asymmetric partial-halo Coronal Mass Ejection (CME) erupted from Region 2497 late February 11, 2016. The CME was, at least in part, produced by a long duration C8.9 solar flare that peaked at 21:03 UTC. Associated with the event were Type II and Type IV radio...

February 12, 2016

Cosmic radiation intensifying as we enter another Solar Minimum

An increased activity of cosmic rays has been observed around the Arctic Circle by the neutron monitors during the last year. The same trend was also noted in an independent measurement project carried out by the Spaceweather.com and the students of Earth to Sky...

January 28, 2016

Prolonged CME effects spark G1 Minor geomagnetic storm

Prolonged effects of a partial-halo CME impact, produced by the filament eruption just of center disk late on January 14, 2016, is causing a G1 Minor geomagnetic storm on January 20, 2016. The CME reached our planet just before 21:00 UTC on January 18. Geomagnetic...

January 20, 2016

Long duration M2.3 flare erupts causing S1 Minor solar radiation storm

A long duration solar flare measuring M2.3 at its peak time erupted from departing Region 2473 at 00:11 UTC on January 2, 2016. The event started at 23:10 UTC on January 1 and ended at 01:01 UTC on January 2. A Type II (estimated velocity 1019 km/s) and a Type IV...

January 02, 2016

Long duration M1.8 solar flare produces a full halo, Earth-directed CME

A long duration solar flare measuring M1.8 at its peak time erupted from central Region 2473 at 12:45 UTC on December 28, 2015. The event started at 11:20 and ended at 14:09 UTC. The flare produced a full halo CME heading directly toward Earth. A type IV radio sweep...

December 28, 2015

Strong M4.7 solar flare erupts from Region 2473

A moderately strong solar flare measuring M4.7 at its peak erupted from Region 2473 at 00:40 UTC on December 23, 2015. The event started at 00:23 and ended at 00:52 UTC. A Type II radio sweep with estimated velocity of 1318 km/s as well as a Type IV radio sweep...

December 23, 2015

M-class solar flares erupting behind the Sun's northeast limb

An active region currently positioned behind the northeast limb erupted with two M-class solar flares by 10:19 UTC on December 21, 2015. The first event started at 00:52, peaked at 01:03 as M2.8 and ended at 01:11 UTC. The second event started at 10:09, peaked at...

December 21, 2015

Large filament erupts on the southeast quadrant of the Sun

A large filament erupted on the southeast quadrant of the Sun during the early morning UTC hours of November 22, 2015. The eruption began at approximately 07:30 UTC and launched a coronal mass ejection (CME) into space. Although LASCO coronagraph imagery is still...

November 22, 2015

Strong M3.9 solar flare erupts from Region 2449 producing a bright CME

A strong solar flare measuring M3.9 at its peak erupted from Region 2449 at 13:12 UTC on November 9, 2015. The event started at 12:49 and ended at 13:28 UTC. A bright Coronal Mass Ejection (CME) was produced. The event was associated with a Type II (estimated...

November 09, 2015

The Sweden Case: Airplanes disappear from radars due to "solar storm"

Swedish media is reporting air traffic problems due to "solar storm" interfering with air traffic control radar systems during the afternoon of November 4, 2015. It is unclear, however, whether they meant the Solar Radiation Storm or Geomagnetic Storm, two...

November 05, 2015

Long duration M3.7 flare erupts from Sun's central region, CME to impact Earth on November 7

A long duration solar flare measuring M3.7 at its peak erupted from geoeffective Region 2443 at 13:52 UTC on November 4, 2015. The event started at 13:31 and ended at 14:13 UTC. Radio signatures suggest a Coronal Mass Ejection (CME) was produced. The event was...

November 04, 2015

Impulsive solar flares measuring M1.9 and M2.5 erupt near the west limb

A moderately strong solar flare measuring M1.9 erupted from Region 2445 at 03:26 UTC on November 4, 2015. The event started at 03:20, and ended at 03:29 UTC. A Type II Radio Emission with peak velocity of 790 km/s was associated with the event. Type II emissions...

November 04, 2015

Multiple Coronal Mass Ejections (CMEs) erupted from western limb, impacts expected

After four days of increased solar activity, multiple Coronal Mass Ejections (CMEs) were finally observed as a part of an overarching set of coronal disruptions from the vicinity of Region 2420 and stretching southward towards Region 2422, and towards the western...

October 01, 2015

Increased solar activity continues with multiple M-class flares on September 29

Solar activity started increasing on September 27 with M1.9 flare from geoeffective Region 2422 and continued on September 28 with several impulsive flares from Region 2422 (M7.6) and 2423 (M3.6).During the early morning hours of September 29th (by 06:43 UTC) those two

September 29, 2015

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

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

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

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

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

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

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

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

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

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

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

Moderately strong M1.2 solar flare erupts from Region 2403

Region 2403, located in the southeast quadrant, erupted with moderately strong M1.2 solar flare at 02:18 UTC on August 21, 2015. The event started at 01:56, peaked at 02:18 and ended at 02:37 UTC.There were no radio signatures that would suggest a Coronal Mass Ejection

August 21, 2015

Region 2381 rapidly grows, produces M1.0 and M1.8 solar flares

Beta-gamma classified Region 2381 exhibited rapid growth over the past 24 hours (by 12:30 UtC today) and produced a moderately strong M1.0 solar flare at 08:44 UTC on July 6, 2015. The event started at 08:24 and ended at 08:59 UTC. There were no radio signatures that wo

July 06, 2015

Filament eruptions and impulsive M1.5 solar flare, geomagnetic storming expected due to CH HSS

Moderately strong solar flare reaching M1.5 at its peak time erupted at 12:53 UTC on July 3, 2015. The event started at 12:47 and ended at 12:53 UTC.The source was Region 2378, which rotated into the southwest quadrant yesterday producing innumerous C-class solar flares

July 03, 2015

5th Earth-directed CME produced as long duration M7.9 solar flare erupts from Region 2371

Region 2371, the source of 4 Earth-directed Coronal Mass Ejections (CMEs) over the past couple of days, erupted with long duration M7.9 solar flare (R2-Moderate) at 08:16 UTC on June 25, 2015. The event started at 08:02 and ended at 09:05 UTC. A Type II (estimated veloc

June 25, 2015

Long duration M6.5 solar flare erupts from Region 2371, 4th Earth-directed CME produced

Active Region 2371, the source of two Earth-directed Coronal Mass Ejections (CMEs) over the past couple of days, produced an M6.5 solar flare (R2-Moderate) at 18:23 UTC on June 22, 2015. The event started at 17:39 and ended at 18:51 UTC. Region 2371 is one of the

June 22, 2015

Earth-directed full-halo CME erupts from Region 2371, G3-Strong geomagnetic storm expected

Active Region 2371, now classifiead as Beta-Gamma-Delta and located near the center of the disk, erupted with two M-class solar flares - M2.0 and M2.7 - early on June 21, 2015 producing Earth-directed full-halo Coronal Mass Ejection (CME). Arrival is expected midday Jun

June 21, 2015

Partial-halo CME to deliver glancing blow on June 23

Filament eruption in the SSE quadrant of the Sun produced a partial-halo Coronal Mass Ejection (CME) first observed in coronagraph imagery near 08:45 UTC on June 19 (above). WSA-Enlil model suggests a glancing blow early on June 23. Beta-Gamma-Delta classified Region

June 20, 2015

Region 2371 produced long duration M3.0 solar flare, glancing blow expected

Beta-Gamma classified Region 2371 produced a long duration M3.0 solar flare peaking at 17:35 UTC on June 18, 2015. The event started at 16:25 and ended at 19:00 UTC. A full-halo Coronal Mass Ejection (CME) was produced, it will likely make a glancing blow at Earth late

June 18, 2015

Long duration M1.2 solar flare off the southwest limb produces large CME, solar radiation storm

A long duration M1.2 solar flare erupted from the vicinity of departing Region 2365, off the southwest limb, at 01:27 UTC on June 18, 2015. The event produced a large Coronal Mass Ejection (CME) and is currently causing solar radiation storm on Earth, reaching S1 (Minor

June 18, 2015