The little purple bulls-eye near the NC Outer Banks is something called "Theta-E Advection", and the most likely direction the storm will go. That's further West than most models are indicating. Mean anything? Maybe! Find out soon...good night all! #SnowTrain pic.twitter.com/VV93BjYSjt

— Tony Pann (@TonyPannWBAL) January 4, 2018