538 is tracking in real time how Jones is performing in each county vs. a bench mark needed to win.

The 538 website of math guru Nate Silver is looking at each county.
Reporting the number of register voters, percent reporting, whether county leans Dem or Rep and the theoretical benchmark Jones need to win in each county.
As votes are reporting they are comparing how Jones is actually doing, link below:
http://fivethirtyeight.com/live-blog/alabama-senate-election-results/