just we know what a white christmas you have to have inch of snow on the ground or snow falling. jenna: that is the qualifications? not just seeing a snowflake, that doesn't count? >> no. jenna: thank you, maria. i didn't know that, jon, did you know that? jon: i did not know that. jenna: learn something new every day. thank you. jon: holiday travelers are bracing for ice and snow from a storm expected to deliver a rare white christmas to nashville. before rolling on into the northeast. harris is keeping an eye on that. she has more for us. harris? >> reporter: i'm watching the faa web site where they have the airport status. it is air-traffic control systems command center. and right now all systems are go. even when we saw the bad weather in minneapolis. minneapolis-st. paul airport has a green dot on this map. this is really huge news for airlines and travelers. they are seeing dollars pump up for air travel. if you're paying more for the ticket you hope with all your heart you will get