The severe weather threat continues to end the week for a large portion of the South and East, ranging from Texas to the Appalachians. Damaging winds and large hail are the primary concerns, but an isolated tornado threat is possible. Places like Austin, Houston, Shreveport, Birmingham, Nashville and Louisville could see impacts. And flash flooding will be a concern for many of the same areas as rain falls on already saturated ground. Here’s what you need to know.