Follow along as a flash flooding and tornado threat moves into the Southeastern U.S., while dry, cold weather makes its way to the Eastern half of the country. https://abcnews.link/vLxVweV ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/watch?v=gN0PZCe-kwQ&ab_channel=ABCNews Watch full episodes of World News Tonight with David Muir here: https://youtube.com/playlist?list=