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Geomagnetic Storm Eases to G1 After G3 Peak, Risks Reintensifying to G2

High-speed solar wind from a coronal hole collided with slower solar streams to spark geomagnetic unrest on Earth.

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Overview

  • NOAA’s Space Weather Prediction Center logged a G3‐class storm at 04:16 a.m. Italian time on May 29.
  • Intensity has waned to G1 but forecasters warn it could climb back to G2 before subsiding over the next few hours.
  • The disturbance stems from a high-speed solar wind flow escaping a coronal hole colliding with slower solar emissions.
  • Satellite trajectories in low Earth orbit have shifted and users are reporting navigation glitches and radio signal disruptions.
  • Auroral displays have appeared at unusually low latitudes, illuminating skies across northern Europe.