And, because they are moving so slow, they have plenty of time to dump buckets of rain.
Just before 5:30, some of the storms dumping the heaviest rain was in these areas:
* South and West of Downtown Birmingham
* In Shelby County in the areas between Columbiana, Calera and Alabaster
* Along the Etowah/Marshall County line in NE Alabama between Gadsden and Guntersville
* Lowndes County in South Alabama
NWS/Birmingham maintains a Flood Advisory for Lowndes County until 8:15. A Significant Weather Alert is maintained for Jefferson and Shelby County until 5:45.
Elsewhere, scattered showers and thunderstorms continues over about the south third of the state, some of them strong storms and dumping heavy rain.
Over the north half of the state, the storms are much more widely separated.