G3 geomagnetic storm conditions are predicted for Sept. 16. Aurora hunters keep your eyes on the skies!
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Northern lights appear over a lake in Minnesota in a dark sky overhead shining rainbow of Aurora light with trees below.
Northern lights erupt over a lake in Minnesota. (Image credit: Rob Schultz via Getty Images)
Editor’s note: The incoming CME hit 6 hours later than predicted and sparked a severe G4 geomagnetic storm. You can read our aurora photo story here.
A combination of powerful solar events has prompted the National Oceanic and Atmospheric (NOAA) Space Weather Prediction Center (SWPC) to issue a geomagnetic storm warning for today (Sept. 16).
This is great news for those wishing to see the northern lights the predicted geomagnetic storm could spark auroras deep into mid-latitudes (around 50°) and as far south as California, Missouri and Oregon.
