Space weather

Solar activity reaches moderate levels - five M-class flares by 17:00 UTC

Departing Region 2322 produced two M-class solar flares by 12:00 UTC on April 21, 2015. The first one started at 07:08, peaked at 07:20 as M1.1 and ended at 07:27 UTC. Its second M-class flare of the day started at 11:49, peaked at 11:57 as M2.2 (R1 - Minor Radio Blacko

April 21, 2015

Southern pole connected CH HSS causes unsettled to major geomagnetic storms

Southern pole connected coronal hole high speed stream (CH HSS) is causing unsettled to major (G2 - Moderate) geomagnetic storms since April 15, 2015.Geomagnetic K-index of 6 (G2 - Moderate) threshold was reached at 23:27 UTC on April 16, 2015.During the last 12 hours (

April 17, 2015

Geomagnetic storm reaching G2 Moderate levels in progress

The solar wind environment at the ACE spacecraft displayed two weak transient signatures near 01:00 and 09:00 UTC on April 9, 2015, suggesting the arrival of the April 6 Coronal Mass Ejection (CME) from Region 2320 and a weak coronal hole high speed stream (CH HSS).Wind

April 10, 2015

Large solar prominence erupts, CME produced

A large solar prominence dubbed "the Great Wall of Plasma" erupted off the northeast limb of the Sun at approximately 13:00 UTC on March 27, 2015. This spectacular structure was more than 6x taller and 30x wider than Earth before it erupted. A Coronal Mass Eje

March 27, 2015

Strongest geomagnetic storm of SC24 sparks spectacular aurora display

The strongest geomagnetic storm of the current solar cycle (Solar Cycle 24) reached G4 Severe levels (Kp=8) on March 17, 2015 and sparked spectacular auroras in both hemispheres of our planet. The event was identified as the combined effects of CMEs which erupted on Mar

March 18, 2015

CMEs impact, geomagnetic storms reaching G4 Severe in progress

A sequence of events led to an Earth-directed asymmetric halo CME on March 15, 2015. The events began with a 14 degree long filament eruption, centered near S24W38, lifting off between 00:45 to 02:00 UTC. This was followed by C2.4 flare at 00:41 UTC and a long duration

March 17, 2015

Space weather highlights for March 5 - 15, 2015

Region 2297 rotated onto the SE limb on March 5, 2015 and by March 15 it managed to produce a total of 99 C-flares, 24 M-flares and 1 X-flare. From March 8 to 12, it was the only numbered sunspot region on the solar disk and from the end of March 5 to March 16, with jus

March 16, 2015

Powerful solar flare measuring X2.1 erupts from Region 2297

A major solar flare measuring X2.1 (R3-Strong radio blackout) erupted from Region 2297 at 16:22 UTC on March 11, 2015. The event started at 16:11 and ended at 16:29 UTC.A Type II (estimated velocity 1 461 km/s) and IV radio emissions were associated with the event. Type

March 11, 2015

Increased solar activity continues, Region 2297 crackling with solar flares

Region 2297, currently the only numbered sunspot region on the Earth side of the Sun, is crackling with solar flares for the fifth day in a row. After 3 low level M-class flares on March 5 and 6, a long duration M9.2 on March 7 and impulsive M4.5 at 14:33 UTC on March 9

March 10, 2015

Impulsive M4.5 solar flare erupts from Region 2297

An impulsive solar flare measuring M4.5 at its peak time erupted from Region 2297 at 14:33 on March 9, 2015. The event started at 14:22 and ended at 14:37 UTC.There were no radio signatures that would suggest a Coronal Mass Ejection was produced.This region is rotating

March 09, 2015

Strong, long duration M9.2 solar flare erupts from Region 2297

Strong and long duration solar flare measuring M9.2 (R2 - Moderate) at its peak time erupted from Region 2297 at 22:22 UTC on March 7, 2015. The event started at 21:59 and ended at 22:49 UTC.A Type II (estimated velocity 704 km/s) and Type IV radio sweeps were associate

March 07, 2015

Active region rotating onto the southeastern limb crackling with solar flares

Unnumbered region just rotating onto the southeastern limb produced 3 M-class (R1-Minor radio blackout) and several C-class solar flares in last 24 hours. The largest was a M3.0 that peaked at 04:57 UTC today, with the two M1 flares reaching their peaks at 18:11 UTC (M1

March 06, 2015

Long duration M1.2 solar flare erupts beyond eastern limb

Active region located just beyond the East limb produced a long duration M1.2 solar flare peaking at 18:11 UTC today. The event started 17:06 and ended at 18:26 UTC.This region produced two low level C-class flares before the M1.2 today. It will become fully visible fro

March 05, 2015

Impulsive M8.2 solar flare erupts off northwestern limb

An impulsive solar flare measuring M8.2 (R2 – Moderate Radio blackout) at its peak time erupted from Region 2290 at 01:35 UTC on March 3, 2015. The event started at 01:25 and ended at 01:42 UTC.A Type II (estimated velocity 750 km/s) and IV radio emissions were as

March 03, 2015

Numerous M-class flares and CMEs off the northwestern limb

Solar activity reached moderate levels today when Region 2290 (N22W84, Hsx/Alpha) produced a pair of M1 (R1-Minor) flares at 06:39 (M1.0) and 09:48 UTC (M1.1). This region also produced numerous low and mid-level C-class flares over the last 24 hours.Numerous Coronal Ma

March 02, 2015

Earth under the influence of CH HSS, geomagnetic storm in progress

Earth is under the influence of a southern polar coronal hole high speed stream (CH HSS) which is stirring up geomagnetic storms.Geomagnetic K-index of 5 (G1 - Minor geomagnetic storm) threshold was reached at 01:45 UTC today. Area of impact is primarily poleward of 60

March 01, 2015

G1-Minor geomagnetic storm in progress

A G1-Minor geomagnetic storm is currently in progress due to the influence of a recurrent negative polarity coronal hole high speed stream (CH HSS). Geomagnetic K-index of 5 (G1) threshold was reached at 02:31 UTC on February 24, 2015. Area of impact is primarily polewa

February 24, 2015

Large solar filament erupts, produces partial halo CME

A large solar filament, which was stretching more than 857 780 km (533 000 miles) last week, finally erupted at approximately 09:25 UTC on February 21, 2015. As I feared, #solarstorm launch is huge filament that just rotated backside. STEREO A saw eruption of monster ev

February 22, 2015

Surprising red aurora captured over Manitoba, Canada

Night-sky photographer Alan Dyer captured a surprising red aurora over Churchill, Manotoba, Canada on February 14, 2015.The image below is his single, 25-second exposure at f/3.5 with the 180° fish-eye lens and Canon 6D at ISO 4000. It is part of a time-lapse sequen

February 16, 2015

Huge solar filament facing Earth

A huge solar filament is facing Earth today and, if it doesn't erupt, will continue to do so in the coming days. Stretched out, it would be more than 857 780 km or 533 000 miles long, which is more than 67 Earth diameters. Image below shows this filament as seen by

February 10, 2015

Long duration M2.4 solar flare erupts from Region 2282, full halo CME produced

A moderately strong, long duration solar flare measuring M2.4 at its peak time erupted from Region 2282 ('beta') late on February 9, 2015. The event started at 22:19, peaked at 23:35 and ended at 00:16 on February 10.This flare had associated Type II (estimated

February 10, 2015

Impulsive M1.2 flare erupts, big plasma filament rotating in

An impulsive M1.2 solar flare erupted from Region 2277 ('Beta-Gamma') at 02:15 UTC on February 4, 2015. The event started at 02:08 and ended at 02:21 UTC.This event did not produce a Coronal Mass Ejection (CME). However, the responsible region is growing, it mai

February 04, 2015

Southern crown coronal hole stirring up geomagnetic storms

Earth is currently under the influence of a high speed solar wind speed, originating in negative polarity southern crown coronal hole, which is causing periods of geomagnetic storming on our planet.Solar wind readings indicated a co-rotating interaction region (CIR) whi

February 02, 2015

Increased solar activity continues

Solar activity continues at moderate levels today with two M-class flares (M2.0 and M1.7) erupting from Region 2268 and one from newly numbered Region 2277 (M2.4).The first M-class solar flare of the day was an impulsive M2.0 which erupted at 00:44 UTC. It was followed

January 30, 2015

Moderately strong M2.1 solar flare erupts from Region 2268

A moderately strong solar flare reaching M2.1 at its peak time erupted from Region 2268 on January 29, 2015. The event started at 11:32, peaked at 11:42 and ended at 11:52 UTC.As with all the previous M-class flares from this region in the past few days, this latest eve

January 29, 2015

Moderate M1.4 solar flare erupts from Region 2268

A moderate solar flare measuring M1.4 at its peak time erupted from Region 2268 on January 28, 2015. The event started at 04:21, peaked at 04:41 and ended at 04:55 UTC.Coronal Mass Ejection (CME) was not produced.Region 2268 ('beta-gamma') is currently the large

January 28, 2015

Moderate M1.1 solar flare erupts from Region 2268

A moderate solar flare measuring M1.1 (R1 Minor Radio Blackout) at its peak time erupted from growing Region 2268 on January 26, 2015. The event started at 16:46, peaked at 16:53 and ended at 16:58 UTC.There were no signatures that would suggest a Coronal Mass Ejection

January 26, 2015

Newly numbered Region 2268 produced a moderate M1.4 solar flare

Newly numbered Region 2268 (S10E72, Hax/alpha) produced a moderate M1.4 solar flare on January 22, 2015, just as it began rotating onto the Southeast limb.The event started at 04:43, peaked at 04:52 and ended at 05:02 UTC.There were no signatures that would suggest a Co

January 22, 2015

Departing Region 2257 erupts with moderate M2.2 solar flare

A moderate solar flare measuring M2.2 at its peak time erupted from a departing Region 2257 ('beta-gamma') on January 14, 2015. The event started at 12:30, peaked at 12:58 and ended at 13:08 UTC.This region was responsible for two M-class solar flares yesterday

January 14, 2015

Strong M5.6 solar flare erupts from Region 2257

A strong solar flare measuring M5.6 (R2 - Moderate radio blackout) erupted from Active Region 2257 at 04:24 UTC on January 13, 2015. The event started at 04:13 and ended at 04:38 UTC.A 10cm Radio Burst lasting 4 minutes, with peak flux of 290 sfu, was associated with th

January 13, 2015

Unanticipated CME hit causes G3 - Strong geomagnetic storm

Our planet is still under the influence of coronal hole high speed solar wind speed (CH HSS) which is fueling geomagnetic storming around the poles. Additionally, an unanticipated Coronal Mass Ejection (CME) passed the ACE spacecraft and Earth around 05:30 UTC today

January 07, 2015

Earth under the influence of high speed solar wind stream

Earth is currently under the influence of a high speed solar wind stream originating in large southern coronal hole. Although the bulk of this stream is headed south of our planet, we have already experienced severe geomagnetic storm periods at high latitudes.Geomagneti

January 04, 2015

Large sunspot region in geoeffectve position, unleashes M1.3 solar flare

Large Active Region 2253 (beta-gamma) erupted with moderate M1.3 solar flare at 15:35 UTC on January 4, 2015. The event started at 15:18 and ended at 15:53 UTC. Coronal Mass Ejection (CME) signatures were not detected during this event.This region slightly grew during l

January 04, 2015

G1 (Minor) geomagnetic storm underway

Earth is currently under the influence of a coronal hole high speed solar wind stream (CH HSS) which is causing geomagnetic storming around the poles.K-index of 5 (G1-Minor) threshold was reached at 17:18 UTC today. Area of impact is primarily poleward of 60 degrees Geo

December 29, 2014

Moderate M2.2 solar flare erupts from Region 2249

A moderate solar flare measuring M2.2 at its peak time erupted from Active Region 2249 at 02:16 UTC on December 27, 2014. The event started at 02:03 and ended at 02:24 UTC.Region 2249 has 'beta-gamma' magnetic configuration, it is still growing and is located ne

December 27, 2014