Specialists from the Solar Astronomy Laboratory of IKI RAN and ISZF SO RAN recorded a sharp increase in geomagnetic disturbances. The Kp index reached 7.33, which corresponds to a strong magnetic storm of category G3+ on a five-point scale. The last time a similar event was recorded was on June 1, 2025, after a direct "hit" of a large solar prominence on the Earth's magnetic field.
Currently, the auroral oval has moved to the western hemisphere, covering almost all of Canada and the northern United States. Increased activity persists in near-Earth space due to the saturation of the solar wind with dense plasma formed during numerous solar flares in recent days. Although no impulse impacts on the planet have yet been recorded, some of the substance has reached the heights of the solar wind and affects the Earth's magnetic field.
Magnetic storms of level G3+ can affect various systems: power grid failures, false alarms of safety systems, and "boiling" of oil transformers are possible. Spacecraft may experience increased orbital drag, and ground systems may experience interruptions in satellite navigation, radio navigation, and high-frequency communications. Auroras are visible even in middle latitudes at this time.
The situation is unstable, the forecast for the next 24 hours is uncertain - the models do not describe the current level of disturbance. The power of the magnetic storm has increased from level G2 to G3, which indicates an increase in the impact on the planet.
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