Environment ❯ Natural Phenomena ❯ Auroras

Geomagnetic Activity

Solar Cycle Coronal Mass Ejections Solar Events Solar Activity Solar Eruptions Solar Influence Solar Storms Solar Wind Solar Cycles Impact on Regions Solar Flares Solar Maximum

NOAA Forecasts New Year’s Eve G1 Geomagnetic Storm, Boosting Aurora Odds Across Northern U.S. and U.K.

Forecasters warn that aurora reach will be set by real‑time solar‑wind alignment during the CME’s arrival.