Earth ChangesMassive solar storm causes worldwide blackouts as experts warn the worst is yet to come Posted on May 19, 2025 by Administrator The sun has unleashed the strongest solar flare of the year, triggering strong radio blackouts across the globe. Just after 11:30 a.m. ET, a massive X2.7-class solar flare erupted from a newly emerging from a cold, dark region known as AR4087. X-class flares are the most intense in the solar storm scale — capable of disrupting communications, damaging satellites, and even threatening power grids on Earth.