The HRRR has been trending towards expanding the ZR region NE along the NC/SC border over the past 5 runs or so. Doing a quick glance at the 17z initialization, it appears to be initializing correctly. It'll be interesting to see if this trend continues.
https://weather.cod.edu/forecast/?load=prun&prunType=2022011517-HRRR-SE-prec-ptype-18