Since Katrina, the city has focused on evacuation as a response to hurricanes. This time the advice is to stay put, with a few days' emergency supplies. Stores respond as best they can.
They're mourning loved ones and assessing damage across the Midwest and South this week, in the aftermath of as many as 80 tornadoes, that left 40 people dead.
Economy 4.0's David Brancaccio discusses the economic impact of things like natural disasters and terrorist attacks — and how companies should prepare.