• G4 – Severe or greater geomagnetic storm forecast, aurora likely as low as Alabama and California

    ByTeo Blašković

    A major X5.1 solar flare erupted from Active Region 4274 at 10:04 UTC on November 11, 2025, producing a large Earth-directed coronal mass ejection (CME). NOAA SWPC issued a geomagnetic storm watch predicting G4 – Severe or greater conditions for November 12, G3 – Strong for November 13, and G1 – Minor for November 14. On November 12 and 13, aurora may be visible as far south as Alabama and northern California.

  • G1 – Minor geomagnetic storm watch issued for September 14

    ByTeo Blašković

    A G1 – Minor Geomagnetic Storm Watch was issued by NOAA’s Space Weather Prediction Center for September 14, 2025, anticipating weak power grid fluctuations, minor satellite impacts, and possible auroras at high latitudes. No storm activity is forecast for September 15 and 16.