Space weather

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

Minor geomagnetic storm in progress, weak negative CH HSS expected

According to the SWPC, the ACE satellite observed a pair of discontinuities in the solar wind field during the past 24 hours. The first discontinuity at 02:35 UTC on December 21 was weak and possibly indicated the arrival of a glancing blow from the December 17th Corona

December 22, 2014

Major solar flare measuring X1.8 erupted from Region 2242

A major solar flare measuring X1.8 (R3-Strong Radio blackout) at its peak time erupted from Region 2242 ('beta-gamma-delta') at 00:28 UTC on December 20, 2014. The event started at 00:11 and ended at 00:55 UTC.A Type II radio emission with an estimated velocity

December 20, 2014

Long-standing space mystery revealed - origin of the 'theta aurora'

Auroras are the most visible manifestation of the Sun’s effect on Earth, but many aspects of these spectacular displays are still poorly understood. Thanks to ESA’s Cluster and NASA’s Image satellites working together, a particular type of very high-la

December 19, 2014

Strong M6.9 solar flare erupts from geoeffective Region 2241

A strong solar flare measuring M6.9 (R2-Moderate Radio blackout) at its peak time erupted from geoeffective Active Region 2241 at 21:58 UTC on December 18, 2014. The event started at 21:41 and ended at 22:25 UTC.This region is located at the center of the solar disk and

December 18, 2014

Strong, long duration solar flare measuring M8.7 erupted from geoeffective region

A very strong solar flare measuring M8.7 at its peak time (R2 - Moderate Radio blackout) erupted from geoeffective Active Region 2242 ('beta-gamma-delta') at 04:50 UTC today. This was a long duration event which started at 04:25 and ended at 05:20 UTC. The event

December 17, 2014

Impulsive M1.5 erupts off the east limb, Earth under the influence of CH HSS

An impulsive solar flare measuring M1.5 at its peak time erupted early on December 13, 2014, from a region rotating around the SE limb. The event started at 05:13, peaked at 05:20 and ended at 05:25 UTC.This new region shows a good potential for increased solar activity

December 13, 2014

G1 (Minor) geomagnetic storm in progress

NOAA/SWPC issued G1 (Minor) geomagnetic storm alert early on December 7 due to the high speed solar wind stream originating from a geoeffective coronal hole in the Sun's southern hemisphere. Geomagnetic K-index of 5 (G1 - Minor) threshold was reached at 01:24 UTC to

December 07, 2014

Strong solar flare measuring M6.1 erupts from Region 2222

A long duration solar flare measuring M6.1 (R2-Moderate) at its peak time erupted on December 4, 2014 from Region 2222. The event started at 18:05, peaked at 18:25 and ended at 18:56 UTC.This is a second M-class solar flare today from 'beta-gamma' classified Reg

December 04, 2014

M1.8 solar flare erupts from central region 2222

A moderately strong solar flare measuring M1.8 at its peak time erupted at 06:41 UTC on December 1, 2014. The event started at 06:26 and ended at 06:59 UTC.A 10cm Radio Burst lasting 6 minutes (peak flux 180 sfu) was associated with the event. This indicates that the el

December 01, 2014

Aurora flyover in HD as seen from the International Space Station

The following video was compiled from time-lapse videos recorded from the International Space Station, courtesy of the Earth Science and Remote Sensing Unit, NASA Johnson Space Centre.

November 16, 2014

Strong M5.7 solar flare erupted from Region 2209

A strong solar flare measuring M5.7 at its peak time erupted from Region 2209 on November 16, 2014. The event started at 17:35, peaked at 17:48 and ended at 17:57 UTC.Region 2209 ('beta-gamma-delta') is Old Region 2192, source of six X-class solar flares during

November 16, 2014

Old Region 2192 returns with moderate M3.2 and M3.7 solar flares

Old Region 2192, now numbered 2209 ('beta-gamma'), has returned on the Earth side of the Sun, with moderately strong M3.2 solar flare on November 15, 2014. The latest event from this region started at 11:40, peaked at 12:03 and ended at 12:10 UTC.A 10cm Radio Bu

November 15, 2014

A timelapse of the late October solar activity

Awesome time-lapse video features show 15 days of solar action from October 14th to 30th, 2014, showing sunspot AR 2192, the largest sunspot of the last two solar cycles or more than two decades. During the transition time Sunspot 2192 produced six X-class and 37 M-clas

November 13, 2014

Geomagnetic storm (G1) in progress, severe levels at high latitudes

Solar wind parameters indicated the arrival of the November 7 CME earlier today. At approximately 01:37 UTC, when CME arrived, total field increased from around 10 nT to a maximum of 23 nT at 01:46 UTC. The Bz component increased to +21 nT before briefly going southward

November 10, 2014

CME generated by X1.6 solar flare to arrive on November 10

A partial halo Coronal Mass Ejection (CME) was generated by major X1.6 solar flare on November 7, 2014.WSA/ENLIL modeling of the event shows a partially Earth-directed component that is expected to impact the geomagnetic field early to midday on November 10 causing acti

November 08, 2014