CME impact sparks unexpected G3 – Strong geomagnetic storm, red aurora in Missouri, U.S.

Solar wind conditions became enhanced beginning at 04:13 UTC on April 19, 2024, due to coronal…

G2 – Moderate geomagnetic storm levels forecast as two more CMEs approach Earth

Solar wind parameters in 24 hours to 00:30 UTC on April 17, 2024, continued to be…

Two incoming CMEs to combine with CH HSS and produce G1 – Minor geomagnetic storming

A G1 – Minor geomagnetic storm watch is in effect for April 14 and 15, 2024…

Long-duration M9.4 solar flare erupts from Region 3615

A long-duration solar flare measuring M9.4 erupted from Active Region 3615 (beta-gamma-delta) at 21:16 UTC on…

Strong X1.1 solar flare erupts from AR 3615

A strong X1.1 solar flare erupted from Active Region 3615 at 20:56 UTC on March 28,…

Strong M6.1 solar flare erupts from Region 3615

A strong solar flare measuring M6.1 erupted from Active Region 3615 (beta-gamma-delta) at 15:56 UTC on…

Strong M7.1 solar flare erupts from Region 3615

A strong solar flare measuring M7.1 erupted from Active Region 3615 at 06:29 UTC on March…

G3 – Strong geomagnetic storm predicted for March 25; 19 M-class flares in 25 hours

Coronal mass ejection (CME) produced by the X1.1 solar flare at 01:33 UTC on March 23,…

Major, long-duration X1.1 solar flare erupts from geoeffective region, producing full halo CME

A major, long-duration solar flare measuring X1.1 erupted from Active Region 3614 (provisional) at 01:33 UTC…

Strong M7.4 solar flare erupts from AR 3615

A strong solar flare measuring M7.4 erupted from Active Region 3615 at 07:36 UTC on March…