Northern Lights in Chicago: Aurora could be visible again Saturday

As a massive sunspot the width of 17 Earths continues to spew solar flares, geomagnetic storm activity reached Level 5 "extreme" conditions Friday evening. After a brief return to level 3 and 4 conditions at times overnight, solar activity reenergized Saturday morning and storms have returned to those extreme Level 5 conditions, according to NOAA’s Space Weather Prediction Center.

reports there have been reports of power grid irregularities and degradations to high frequency communications and GPS.SpaceX's Starlink service warned on its website Saturday morning that it was experiencing "degraded service," though it didn't give further details. Yet SpaceX head Elon Musk had earlier posted on X that the Starlink satellites were under a lot of pressure due to the geomagnetic storm and were still holding up.

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