Solar Storm 2024 When Will It Start. Dazzling auroras—like this one over northwestern england—were the most noticeable effects of a powerful geomagnetic storm that struck earth on may 10, 2024. Goes 500 mev proton flux observations now available.

Several intense coronal mass ejections (cmes) , traveling from the sun at speeds up to 1,200 miles. The sun erupted over the weekend, flinging electromagnetic radiation towards earth, even illuminating skies with spectacular aurora borealis.