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Geomagnetic Storms

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

NOAA now expects a moderate geomagnetic storm due to the slower‑than‑forecast impact.

Northern Lights Possible Over Northern UK Tonight as Geomagnetic Activity Persists

NOAA Issues G2 Geomagnetic Storm Watch as March 16 CME Arrives, Expanding Aurora Potential

Strongest Solar Radiation Storm in 23 Years Sends Auroras Far South as Activity Eases

Severe Solar Storm Triggers Widespread Auroras as NOAA Confirms G4 Conditions

NOAA Warns of Strong Geomagnetic Storm Tonight as Auroras May Reach Unusually Far South

Arase Study Links 'Negative Storm' to Prolonged Plasmasphere Recovery After 2024 Superstorm

Auroras Sweep the U.S. After G4 Storm as Forecasters Watch for More Activity Into Thursday

Severe Solar Storm Ignites Auroras as Forecasters Track Third, Stronger CME

NOAA Issues Strong Geomagnetic Storm Watches as CMEs Near Earth, Raising Aurora Odds

Strong Geomagnetic Storm Triggers Widespread Aurora With More Possible Tonight

G3 Solar Storm Ignites Auroras in U.S. and U.K. as Forecasters Flag More Chances This Week

Geomagnetic Storm Fuels Northern Lights Across U.S.; Tuesday’s Visibility Dims Outside Alaska

Geomagnetic Storm Brings Northern Lights as Far South as Alabama, Continues into June 2