A tornado can strike at anytime and with little warning. Over the last few hours we have seen the Level 4 ( Moderate Risk ) Expanded to include All of Lauderdale, Clarke, Neshoba. The above picture shows the area within that level 4 where a tornado could produce. This extends to Louisville and and just shy of Macon, MS.
Again let be clear, I'm not saying a tornado can't form outside of this box, it's just showing the high probability places. More updates to follow as this system nears Mississippi and Alabama.