Geomagnetic storm

• Geomagnetic storm may make Northern Lights visible in U.S. Monday, Tuesday - A geomagnetic storm that occurred on Sunday may make the Northern Lights visible on Monday or Tuesday, the National Oceanic and Atmospheric Administration says.
• Northern lights could shine over CT tonight. Forecast, maps, how to photograph - A severe geomagnetic storm means there's a chance for a spectacular display of the northern lights over the US tonight.
• 'Severe' geomagnetic storm could make northern lights visible in southern US - The storm could also impact power systems and spacecraft operations.