Geomagnetic storms reaching G4 strength have been known to bring the northern lights into southern parts of the U.S., but that might not be the case this time.

While Florida prepares for Hurricane Milton, a G4 "severe" geomagnetic storm is approaching and could affect communication by hampering radio signals and satellites, according to the NOAA's Space ...

Auroras may be visible from Alaska to Connecticut as speedy solar winds and an incoming CME fuel geomagnetic storm conditions.

If you've never heard of a solar storm or geomagnetic storm, chances are you'll learn about those really quickly this weekend. Earth is under a severe G4 watch or geomagnetic storm watch for the ...

While geomagnetic storms reaching G4 strength have been known to bring the northern lights to much of the country — at times as far south as Alabama and northern California — it’s unlikely ...

WEEK. IT’S A WARM ONE OUT THERE, A GEOMAGNETIC STORM WATCH HAS BEEN ISSUED FOR THE FIRST TIME SINCE JANUARY OF 2005. THIS MEANS A SEVERE GEOMAGNETIC STORM IS STILL LIKELY THROUGH THE WEEKEND ...

In March, a geomagnetic storm briefly reached G4 strength for a few hours. Advertisement. That event was the third geomagnetic storm to reach G4 status during the current 11-year solar cycle, ...

A “severe” G4 geomagnetic storm could buffet the Earth from Friday evening, ... “G4 storms are relatively rare, with about 100 over the course of an 11-year solar cycle,” Rob Steenburgh, ...

The "severe" G4 geomagnetic storm sparked auroras across the U.S. on Thursday night, with less powerful but still significant solar storms expected to continue throughout Friday.

The geomagnetic storm is expected to be a G4 class, according to the scale used by the U.S. National Oceanic and Atmospheric Administration (NOAA)'s Space Weather Prediction Center (SWPC).

A "severe" G4 geomagnetic storm could make auroras visible across the country Thursday, according to forecasters with National Oceanic and Atmospheric Administration.Here's what we know about the ...