Space weather

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Strong M5.5 solar flare erupts from Region 2929

A strong solar flare measuring M5.5 at its peak erupted from Active Region 2929 at 06:01 UTC on January 20, 2022. The event started at 05:41 and ended at 06:12 UTC. A Type II Radio Emission with an estimated velocity of 329 km/s was detected at 05:57 UTC. Type II...

January 20, 2022

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CH HSS sparks G2 - Moderate geomagnetic storm

Our planet entered a stream of fast-moving solar wind on January 18, 2022, sparking G2 - Moderate geomagnetic storm. A slightly enhanced solar wind environment is anticipated today as CH HSS effects taper, followed by a minor enhancement due to glancing blow effects...

January 19, 2022

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Solar Cycle 25 outrunning the official forecast

New sunspot counts from National Oceanic and Atmospheric Administration (NOAA) confirm that Solar Cycle 25 sunspot numbers have now exceeded predictions for 15 straight months. Consequently, the geomagnetic activity is ramping up while cosmic rays reaching Earth are...

January 11, 2022

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CME produced by M1.8 solar flare expected to arrive at Earth as a glancing blow on December 23

Solar activity reached moderate levels over the past 24 hours with an M1.8 solar flare from AR 2908 at 11:36 UTC on December 20, 2021. Initial analysis indicated the likelihood of the northern flank arrival of associated CME on December 23. Eight sunspot groups were...

December 21, 2021

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CME produced by filament eruption expected to reach Earth on November 27

An approximate 10-degree filament eruption, centered near S36E33, was observed in GONG H-alpha imagery beginning at 09:58 UTC on November 24, 2021. An associated coronal mass ejection (CME) was observed in SOHO/LASCO C2 imagery beginning at 14:12 UTC on November 24...

November 25, 2021

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Long-duration M2.0 solar flare erupts on the NW side of the Sun

A long-duration solar flare measuring M2.0 erupted from AR 2891, currently located on the Sun's northwestern limb. The event started at 15:47, peaked at 17:02 and ended at 17:37 UTC. The location of this region does not favor Earth-directed CMEs. However, a...

November 09, 2021

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Series of CMEs impact Earth, sparking G3 - Strong geomagnetic storming

A coronal mass ejection (CME) produced by the long-duration M1.7 solar flare1 at 03:01 UTC on November 2, 2021, reached Earth at 19:57 UTC on November 3, sparking G3 - Strong geomagnetic storming. The CME overtook and merged with at least one, possibly two or more,...

November 04, 2021

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Series of CMEs expected to impact Earth, G2 - Moderate geomagnetic storm watch in effect

A series of coronal mass ejections (CMEs) produced by Regions 2887 and 2891 over the past couple of days will likely impact Earth by late November 3 to early November 4, causing additional enhancements to the solar wind environment already enhanced due to coronal...

November 03, 2021

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Long-duration M1.7 solar flare erupts from geoeffective AR 2981, CME impact expected

A long-duration M1.7 solar flare erupted from geoeffective Active Region 2981 at 03:01 UTC on November 2, 2021. The event started at 01:20 and ended at 03:50 UTC. The event was associated with a 10cm Radio Burst (tenflare) peaking at 110 sfu at 02:36 UTC. A 10cm...

November 02, 2021

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Moderately strong M1.5 solar flare erupts from AR 2887

A moderately strong M1.5 solar flare erupted from AR 2887 at 01:45 UTC on November 1, 2021. The event started at 00:57 and ended at 02:10 UTC. It was associated with a Type II Radio Emission at 01:29 UTC with an estimated velocity of 626 km/s. Type II emissions...

November 01, 2021

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G3 - Strong geomagnetic storm watch in effect for October 30 after major X1.0 solar flare

Solar activity reached high levels on October 28, 2021, with a pair of M-class flares from geoeffective AR 2887 at 07:40 and 10:28 UTC, followed by a major X1.0 flare at 15:35 UTC which generated an Earth-directed coronal mass ejection (CME). As a result, a G3 -...

October 29, 2021

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Major, long-duration X1.0 solar flare erupts from AR 2887, Earth-directed CME produced

A major, long-duration solar flare measuring X1.0 at its peak erupted from geoeffective Active Region 2887 at 15:35 UTC on October 28, 2021. The event started at 15:17 and ended at 15:48 UTC. The event was associated with a Type II Radio Emission with an estimated...

October 28, 2021

aurora october 12 2021 by Nidheesh Dadheech

CME impacts Earth, sparks G2 - Moderate geomagnetic storm

Coronal mass ejection (CME) produced by M1.6 solar flare at 06:40 UTC on October 9, 2021, reached DSCOVR spacecraft at 01:48 UTC and Earth at 02:30 UTC on October 12, 2021. The impact sparked a G2 - Moderate geomagnetic storm. In 24 hours to 00:30 UTC on October 12,...

October 12, 2021

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Partial, asymmetric halo CME expected to reach Earth late September 30 or early October 1

A partial, asymmetric halo coronal mass ejection (CME) was produced by C1.6 solar flare from Region 2871 at 06:34 UTC on September 28, 2021. Another, relatively weak CME was produced by the same region at 12:00 UTC on September 27, with glancing influence possible....

September 29, 2021

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Moderately strong M2.8 and M1.8 solar flares erupt from AR 2871

A moderately strong solar flare measuring M2.8 at its peak erupted from Active Region 2871 at 04:42 UTC on September 23, 2021. The event started at 04:35 and ended at 04:50 UTC. The flare was associated with a Type II Radio Emission at 04:44 UTC with an estimated...

September 23, 2021

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G2 - Moderate geomagnetic storm watch in effect

A G1 - Minor geomagnetic storm watch is in effect for September 1 and a G2 - Moderate for September 2, 2021. The geomagnetic field is expected to be at quiet to unsettled conditions on August 31 due to the delayed anticipated passage of the August 26th coronal mass...

August 31, 2021

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Moderately strong M4.7 solar flare erupts from geoeffective AR 2860

A moderately strong solar flare measuring M4.7 at its peak erupted from geoeffective Active Region 2860 at 06:15 UTC on August 28, 2021. The event started at 05:39 and ended at 06:23 UTC. The flare event follows increased solar activity with numerous c-class flares...

August 28, 2021