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IF the idea of a central FL crossing were to turn out to be correct, climo of these tracks says that for ATL and vicinity it would be highly improbable that the bulk of any precip not be wintry meaning a cold rain dominating shouldn't occur. Now, if the low ends up further north and there's also not sufficient enough high pressure near the mid Atlantic coast, then cold rain becomes more of a possibility. One thing to note is that there is no -AO nor -NAO. The climo of central FL tracks says a -AO/-NAO is most likely to be associated with it. With those not forecasted to be there on 1/7 (~neutral at best) and with almost all other models being further north, a trend toward a further north track would seem likely. Otoh, the GFS has wavered very little for a number of runs, the 0Z GFS para was even further south (the extremely rare S FL track), and the 2/1973 great snowstorm low that crossed central FL was accompanied by a solid +AO/+NAO. So, it wouldn't be a big surprise if the central FL track were to hold. I'm leaning toward a north FL track as of this moment. Let's see what the 12Z consensus suggests.
