A severe weather threat is affecting the Mid-Atlantic region, with a rare risk of tornadoes. The threat is part of a larger severe weather system that may bring damaging winds and has already caused disruptions, including power outages and flight disruptions, in other areas. The severity and location of the threat are somewhat uncertain, with reports of a level 3 out of 5 risk and a moderate risk of 4 out of 5, and the threat may be shifting to the Northeast.