Northern lights visible Wednesday night?
A coronal mass ejection (CME) left the sun and reached earth Tuesday night. It’s a recipe for possible northern lights Wednesday night as it reacts with earth’s magnetic field, creating a geomagnetic storm. A CME doesn’t guarantee northern lights however as it has to align just right with our magnetic field.
Peak activity looks to be Wednesday night as the KP index (used to measure activity) reaches a moderate to high level at 6 to 7 between 7 p.m. and 4 a.m. Wednesday night into early Thursday.
The possible visible aurora oval could reach into Iowa and Illinois even.
Of course we need cloud cover to cooperate as well and that might be difficult. Much of Minnesota will have cloud cover overnight Wednesday night but there could be a few, occasional breaks if you really want to stay up and try to see them.
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