were visible across metro Denver on Tuesday night as a severe geomagnetic storm lit up the skies in Colorado and throughout the U.S.
Folks spotted waves of pink, purple and green in Denver, Thornton, Broomfield, Centennial, Parker and beyond, according to photos shared on social media and captured by The Denver Post.
The National Oceanic and Atmospheric Administration’s Space Weather Prediction Center, based in Boulder, sent out an alert for a severe geomagnetic storm just after 6 p.m.
A severe geomagnetic storm is “a major disturbance in Earth’s magnetic field,” with the potential to impact electricity and satellite operations, including GPS, NOAA officials wrote in the alert.
The northern lights are expected to, and Coloradans can check to see when the aurora will be at its peak on the or an aurora forecasting app.
Northern lights return to Colorado skies tonight as severe solar storms continue
The best bet to see the light show is to get as far away from city lights as possible -- but using a phone camera with a long exposure can also help.
The Associated Press contributed to this report.
