Space weather forecasters say Earth should prepare for the second geomagnetic storm in 48 hours to hit Wednesday.

The first storm slammed Earth Monday and earned a "severe" G4 rating, the , according toNOAA's Space Weather Prediction Center (SWPC).

NOAA's Space Weather Prediction Center's forecast model expected energy from another CME to arrive Wednesday evening, triggering a new geomagnetic storm.

(NOAA Space Weather Prediction Center)

Scientists explain the solar activity was the result of the sun releasing a series of coronal mass ejections (CMEs), which NASA describes as “." The CMEs were released on June 18, June 19 and June 21.

SWPC forecasters say released another CME June 22, which will likely trigger the next event starting Wednesday evening.

(PHOTOS: )

a spectacular display of Northern Lights. The storm that hit Monday into Tuesday . EarthSky.org said people reported seeing the lights. The gallery at the bottom of the page shows you some of the jaw-dropping pictures, including one view from astronauts aboard the International Space Station.

The skyshow was just one of the side effects. Spaceweather.com reports there was a “ and low-frequency radio signals over North America,” and that the Earth’s poles experienced a deeper blackout. It's not yet clear how strong this second geomagnetic storm could impact Earth, but SWPC says are possible.