^^^ I now have confidence in this site to be a predictor.
https://www.spaceweatherlive.com/
In particular scroll down to the Auroral Oval.
The red was completely coving the US last night. This is now. I'll be watch to see if this builds up.
Observations - we were in Kp8 (using the measurement at top of page. The particles take about 35 minutes from that measurement to earth. << this is pretty accurate.
So look tonight to see if it grows over us again.
@ucantstop_me thank you, nice chart!
^^ also this chart helps explain the colors. When gasses in our atmosphere heat up the glow a specific color. (This is how the know what gasses are in celestial objects)