Alabama was bracing for Round 2 of severe weather on Saturday. Round 1 started early this morning and prompted two tornado warnings and multiple severe thunderstorm warnings but no damage has been reported so far.

WVTM 13 LIVE DOPPLER RADAR | UPLOAD YOUR WEATHER PHOTOS | WAYS TO STAY SAFE | GET WEATHER NOTIFICATIONSVideo above: Massive floating dock launched out of Lake Tuscaloosa during severe stormsSign up for our NewslettersA severe storm system capable of producing tornadoes,

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?