Northern lights could be on display across several states this weekend. Here's where.
Key Points:
- The northern lights are expected to be visible across several northern U.S. states this weekend, potentially reaching as far south as Iowa, according to NOAA's Space Weather Prediction Center forecast for January 16.
- The geomagnetic activity is forecasted at a Kp index of five on Friday night, indicating moderate activity, which will decrease to a Kp of three on Saturday night; the event is classified as a minor G1 level on NOAA’s space weather scale.
- More than a dozen states including Alaska, Washington, Maine, and Minnesota are within the predicted viewing area for the aurora borealis.
- The northern lights occur when charged particles from solar wind collide with gases in Earth’s upper atmosphere, producing visible light in varying colors depending on