mile. you do not want to be on the roads. you're not going to be able to fly out of a lot of the airports by the mid-morning and it moves up into the afternoon into new england, coastal new england is where we see 70 pl plus-mile-per-hour ones. there's some of the snow swaths of what to expect. more than six inches in a lot of spots. and the cold behind it, david, is even colder than we've seen already. there are wind chill advise littles as far south as boca raton, florida. >> so, it gets worse before it gets better, unfortunately. ginger, thank you. we turn next to north korea tonight, and president trump's tweet to kim jong-un. the president saying his nuclear button is, quote, much bigger and more powerful than the north korean leader's. is this helping with so much at stake? here's abc's chief foreign correspondent terry moran tonight. >> reporter: it was kim jong-un who started it, hurting this taunt during his new year's address. "the u.s. should know that the button for nuclear weapons is on my table," he said. the president's response, a tweet. and even for donald trump, this one was a doozy. "i, too, have a nuclear button, but it is a much bigger and more powerful one than his, and my button works."