The strongest geomagnetic storm of the year is subsiding.

      At the peak recorded on November 12, the Kp geomagnetic activity index reached G4.3–G4.7 levels — the most powerful event of 2025, although it did not reach the forecasted G5 maximum.

      According to the laboratory, it was difficult to determine the exact sequence of solar impacts: three plasma clouds ejected by the Sun merged into one extended structure, and the individual phases of the event are almost indistinguishable. Presumably the strongest hit struck the leading fronts of the ejections, which were compressed and accelerated by the last, more powerful cloud. The main core of this ejection is now passing by Earth, and the solar wind speed has dropped to 800–1000 km/s instead of the expected 1400.

      Against the backdrop of the main cloud's passage, at 4 a.m. Moscow time a powerful aurora began on Earth, peaking at 5:00. Its intensity reached 15 on a 10-point scale, and the auroras spread to latitudes of about 45 degrees — as far as Russia's southern borders. However, few were able to see them because dawn was approaching.

      Scientists estimate the magnetic disturbance may persist until the end of the day, after which space weather is expected to stabilize. The likelihood of new strong flares is low — active regions on the Sun have exhausted their energy and are no longer Earth-directed.