On Thursday night, up to 20 US states could witness the northern lights, with Michigan residents expected to see a strong display, weather permitting. The National Oceanic and Atmospheric Administration (NOAA) reports that the aurora borealis may be visible starting late Thursday, November 6, through the early hours of Friday, November 7.
The northern lights may also appear again on Friday night. In Michigan, the aurora could be visible as far south as Traverse City, Gaylord, and Alpena. The visibility line extends to northern Ohio and Indiana, where the lights may be seen on the northern horizon.
NOAA predicts a moderate geomagnetic storm triggered by solar eruptions earlier this week that sent charged particles toward Earth. This disturbance increases the chances of seeing the lights farther south than usual.
NOAA states, “A G3 geomagnetic storm, a worldwide disturbance of the Earth's magnetic field, is expected to produce a Kp index of 7.”
The Kp index measures the severity of magnetic disturbances near Earth on a scale from 0 to 9. Typically, a Kp rating of 5 or higher means the northern lights can be observed in Michigan.
This week offers a rare opportunity to view the northern lights across much of the northern US, driven by a strong geomagnetic storm that enhances aurora visibility.
The upcoming geomagnetic storm creates a unique chance for many across Michigan and beyond to witness the northern lights farther south than usual, making this event worth watching.