Lightning picking up on the southern edge of the line. It's just now starting to enter the better environment so the next 40 to 45 min will be key to see if it has any staying power.
Let's not sleep on the southern end of that line in WV. Per SPC mesoanalysis, there is a tongue of ~2,000 SBCAPE and a little boundary near Leesburg. That could beef the line up pretty quickly.