carolinas, it is rain in charlotte, you are in a winter storm advisory, we are looking at problems in terms of weather for tomorrow. today, expected, a white christmas for those who haven t seen one in decades, in the case of birmingham or columbia never. we are not talking about snow still on the ground. i am talking about snow fall og christmas day and sticking more than a trace it. has not happened yet. and it is likely to happen today. this is just the beginning. once it is all done, we will talk about a huge winter storm that will impact the when everyone is traveling. i want to take a closer look to show how the systems merge. low pressure over the louisiana area, sliding to the east, producing snow for the deep south. and intensifies, works north,