The First Alert Weather Team is on Storm Alert Sunday as a robust storm system moving through the middle of the country makes its way to the East Coast.

A severe weather outbreak is expected on Saturday in Alabama, according to the National Weather Service. NOAA’s Storm Prediction Center has added -- and now expanded as of Thursday afternoon -- a rarely-used Level 4 out of 5 risk for parts of a large part of Alabama for Saturday.

A severe weather outbreak in Alabama through Saturday with the threat of hail, damaging winds and tornadoes. Some tornadoes could be strong and long-track.

Severe thunderstorm outlooks issued by NOAA's Storm Prediction Center can show a threat level from 1 to 5. They are used to show how widespread and intense severe weather could be on a given day.

The threat of tornadoes is moving east into the Mississippi Valley and Deep South a day after a massive storm system moving across the country unleashed winds that damaged buildings, whipped up dust s