We all hear the terms when there's a threat of severe weather. But what does each alert mean, and how does it affect you?

A tornado watch will be in effect for a large part of Alabama until 8 p.m. Saturday. It is a PDS watch, a rarely-issued watch that signifies a "particularly dangerous situation." National Weather Service All of Alabama faces the risk of seeing severe weather today,

A severe storm system capable of producing tornadoes, including long-track, strong wind gusts over 70 mph and large hail is causing damages and power outages across Alabama.