Examine much more: Aurora alert: Highly effective geomagnetic storm could spark northern lights as much south as Illinois tonight and tomorrow The northern lights (aurora borealis) are produced by a cloud of electrically charged particles from a solar storm inside the earth's environment. Patrick Pleul/image alliance through Getty Images Tom https://northernlightsiceland34444.thecomputerwiki.com/5416510/the_northern_lights_forecast_tromso_diaries