detected green (St Thomas)

Winding down. Tired. Was reading in bed the last few pages of No Country for Old Men.

Another notification from SPWC!

What the hey?!

ALERT:  Geomagnetic K-index of 8 (G4)
Date    2023-03-24 00:18
ALERT:  Geomagnetic K-index of 8, 9-
Threshold Reached: 2023 Mar 24 0404 UTC

Active Warning:  Yes

NOAA Scale:  G4 - Severe

Potential Impacts:  Area of impact primarily poleward of 45 degrees Geomagnetic Latitude.

Aurora may be seen as low as Alabama and northern California.

Put some pants on.

Had a look.

I thought I could detect green with just my Mark I eyeballs.

I've never seen kp index 8 before!

Wow. We're gettin' a heck of a show.