Core Points - The article reports a potential geomagnetic storm expected in the next three days, as indicated by the National Space Weather Monitoring and Warning Center of China Meteorological Administration [1] - On November 5 and 6, the sun experienced two significant solar flares, with maximum intensities of M7.4 and M8.6, respectively, accompanied by noticeable coronal mass ejections (CME) [1]

Core Points - The article reports two significant solar flares that occurred on November 5, with peak intensities of X1.8 and X1.1 [1] - The China Meteorological Administration's National Space Weather Monitoring and Warning Center forecasts medium to high solar activity levels for the next three days, with a likelihood of M-class flares or higher [1] - The forecast also indicates potential moderate to severe geomagnetic storms due to coronal mass ejections (CME) in the coming days [1]