80 percent of New Orleans residents evacuated on a mandatory order from Mayor C. Ray Nagin. Local highways leading out of the city were paralyzed with traffic and local talk stations that normally scheduled religious programs on Sunday mornings became call and information centers for evacuation intelligence. Katrina is wavering between a category 4 and 5 storm and could potentially leave the area with 1 million refugees if predictions of major flooding come true. The most powerful storm that many residents have seen in their lifetime, Katrina could leave the city with a million refugees.”]
Source: https://www.csoonline.com/article/2118467/katrina-highlights-security-woes.html