Early Sunday morning, G4 geomagnetic storm conditions had been reached. Such strong conditions have been known to bring the northern lights as far south as Alabama and northern California.

Federal officials say a G3 (strong) or G4 (severe) geomagnetic storm is possible, weather that could disrupt power systems, impede satellite operations and hamper radio communications.

We saw another G4 geomagnetic storm a few months after the G5 storm, which caused the northern lights to only be visible to cameras in Metro Atlanta.

Early Sunday morning, G4 geomagnetic storm conditions had been reached. Such strong conditions have been known to bring the northern lights as far south as Alabama and northern California.

(NEXSTAR) — A severe geomagnetic storm could bring the northern lights and possible technological effects to the U.S. to start the week, NOAA’s Space Weather Prediction Center has warned. On ...

Early Sunday morning, G4 geomagnetic storm conditions had been reached. Such strong conditions have been known to bring the northern lights as far south as Alabama and northern California.

A severe geomagnetic storm could bring the northern lights and possible technological effects to the U.S. to start the week, NOAA's Space Weather Prediction Center has warned.

During severe (G4) Geomagnetic Storms, the lights could be seen as far south as the Gulf Coast. Find more updates on this story at FOXWeather.com. Air and Space Severe Weather U.S. News ...

The forecast predicted summerlike heat and the potential for northern lights due to a G4 geomagnetic storm, as indicated by the Space Weather Prediction Center. However, the storm, which required ...

During severe (G4) Geomagnetic Storms, the lights could be seen as far south as the Gulf Coast. Original article source: Geomagnetic Storm Watch issued with Northern Lights possible from New York ...

During severe (G4) Geomagnetic Storms, the lights could be seen as far south as the Gulf Coast. Find more updates on this story at FOXWeather.com. Air and Space Severe Weather U.S. News ...

The National Weather Service’s Space Weather Prediction Center (SWPC) has issued a “severe geomagnetic storm watch,” the first such watch issued in nearly 20 years.