Ongoing powerful G4 geomagnetic storm could sparkle massive northern lights tonight.

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Northern lights over Wisconsin, U.S. (Image credit: Ross Harried/NurPhoto via Getty Images)
 

 

Active geomagnetic storm conditions may persist into early June 2, according to NOAA's Space Weather Prediction Center, as Earth's magnetic field reverberates from the coronal mass ejection (CME) impact in the early hours of June 1. It is also being buffeted by high-speed solar wind from coronal holes and another CME could strike late on June 2.

 

 

 

And that's not all! We have another, albeit smaller, CME heading toward Earth, which could stir up geomagnetic activity again around June 2 or June 3.

 

Prediction model showing the arrival of a second CME around June 2. (Image credit: NASA/M2M)

 

 

"We just entered what looks to be the "core" of the first structure," space weather physicist Tamitha Skov told Space.com. "Considering this storm is comprised of material from multiple CMEs all compressed into one composite structure, there is a chance we will see more than one "core" signature. So, there is a chance this could still give us a waning show 24 hours from now."