The calm before the storm? / Deadly storms devastate parts of the U.S. South and Midwest / Scenes From States Devastated by a Powerful Storm System / U.S. South and Midwest hit with deadly storms and tornadoes, as threat of flash flooding looms / Storms could unleash deadly floods, strong tornadoes in large part of US in coming days / Watch: Flooding across southern Spain as Storm Laurence sparks heavy rain and storms / Scenes From Eight States Battered by Weekend Storms / Deadly Storms Threaten Even More Havoc / Powerful US storms create blizzard conditions and threaten to spawn more tornadoes / Powerful storms bring threats ranging from critical fire weather to blizzard conditions