Potential Magnetic Storms Expected to Impact Earth Mid-December
December 15, 2025438 VistasTiempo de lectura: 2 minutos

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Astronomical scientists have issued a warning regarding the likelihood of magnetic storms affecting Earth in mid-December, linked to solar activity from a coronal hole on the sun's surface. These storms could disrupt communication and energy systems, as well as influence various natural phenomena on Earth.
Warning from the Solar Astronomy Laboratory
Warning from the Solar Astronomy Laboratory
The Solar Astronomy Laboratory of the Russian Academy of Sciences has reported the formation of an unusually shaped coronal hole on the sun, which may lead to magnetic storms impacting Earth on December 17 and 18. The laboratory noted in an official statement that while solar flare activity is expected to decrease over the next two weeks, the solar winds emitted from this coronal hole could still be significant enough to cause magnetic disturbances.
Impact of Solar Winds
According to the announcement, the coronal hole has already released two bursts of solar winds. The first burst reached Earth and resulted in magnetic storms peaking on the nights of December 12 and 13. The second burst is anticipated to affect Earth on Wednesday and Thursday, potentially leading to new magnetic storms during that timeframe.
Potential Storm Levels
Potential Storm Levels
Scientists have classified the storms resulting from the first solar wind burst as G1, indicating relatively weak storms. However, experts do not rule out the possibility of similar disturbances occurring in the coming days.
What Are Magnetic Storms?
Magnetic storms arise from increased solar activity and the impact of solar winds on Earth's magnetic field. These storms can disrupt electrical power systems, affect communication and navigation systems, and may influence the migration patterns of birds and other animals.
Classification of Storm Intensity
Classification of Storm Intensity
Magnetic storms are classified into five levels based on their intensity and impact, ranging from G1 (weak) to G5 (severe), according to the extent of the disturbances they cause in Earth's magnetic field.
Although the anticipated storms are not classified as severe, specialists emphasize the importance of monitoring solar activity in the coming days due to potential effects on technological and environmental infrastructure on Earth.
