Science ❯ Astronomy ❯ Space Weather ❯ Geomagnetic Storms

Aurora Borealis

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

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

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

NOAA Sees Northern Lights Chance Across Northern U.S. This Weekend With Minor Geomagnetic Storm

Northern Lights Possible in Up to 15 U.S. States Tonight, NOAA Says

Geomagnetic Storms To Expand Aurora Visibility Across Northern U.S. This Weekend

Aurora Outlook Tightens for Dec. 23 After Minor Storm, With Northern U.S. Still in Play

G3 Geomagnetic Storm Possible Today as Full-Halo CME Reaches Earth

Aurora Seen Across UK as Geomagnetic Storm Watch Extends Into Thursday

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

Aurora Watch: Minor Geomagnetic Storms Could Bring Northern Lights Tonight

Northern Lights Possible Across Northern U.S. Tonight as NOAA Issues G1–G2 Storm Watch

Aurora Outlook Eases After Strong Storms, With Northern U.S. Still in Play Tonight

NOAA: Minor Geomagnetic Storm Could Make Northern Lights Visible in Up to 16 States Aug. 19–20

Geomagnetic Storm May Reveal Northern Lights Across US and Canada

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