One way meteorologists determine the rain vs snow line is by the 540 line. Wherever this line shows up on forecasting models, it’s an indication that anything north of this line will be snow and ...

A winter storm system predicted to hit the Chattanooga region between 4 a.m. and 6 a.m. Friday could dump up to 5 inches of ...

The rain/snow line — which divides the lucky from the unlucky, depending on your meteorological predisposition — for the Friday event was unclear as of Monday. Forecasters said most computer ...