An approaching short wave trough and increasing low level jet produced a QLCS that moved across north Alabama during the evening hours on March 9th and into the early morning hours on March 10th.  Steep mid level lapse rates near 7 Celsius promoted strong updrafts and resulted in numerous reports of large hail.

Thunderstorm Wind in JEFFERSON, ALABAMA
From 10-MAR-17 02:50:00 to 10-MAR-17 02:51:00 (CST-6)
Location: CONCORD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees uprooted and power lines downed near the intersection of Hill Avenue and Pope Drive in the Hueytown Community.

Hail in MARION, ALABAMA
From 09-MAR-17 18:00:00 to 09-MAR-17 18:01:00 (CST-6)
Location: BEXAR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail covering the ground with sizes ranging from dimes to quarters.

Hail in MARION, ALABAMA
From 09-MAR-17 18:35:00 to 09-MAR-17 18:36:00 (CST-6)
Location: HAMILTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MARION, ALABAMA
From 09-MAR-17 19:46:00 to 09-MAR-17 19:47:00 (CST-6)
Location: BARNESVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Golfball size hail reported along Highway 19 in the Byrd Community.

Hail in MARION, ALABAMA
From 09-MAR-17 20:01:00 to 09-MAR-17 20:02:00 (CST-6)
Location: HAMILTON ARPT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, ALABAMA
From 09-MAR-17 20:04:00 to 09-MAR-17 20:05:00 (CST-6)
Location: HAMILTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, ALABAMA
From 09-MAR-17 23:52:00 to 09-MAR-17 23:53:00 (CST-6)
Location: HAMILTON ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MARION, ALABAMA
From 10-MAR-17 00:10:00 to 10-MAR-17 00:11:00 (CST-6)
Location: HACKLEBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in SHELBY, ALABAMA
From 10-MAR-17 02:55:00 to 10-MAR-17 02:56:00 (CST-6)
Location: SIMMSVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees uprooted and power lines downed near the intersection of Old Highway 280 and Oak Tree Drive.

Thunderstorm Wind in TALLADEGA, ALABAMA
From 10-MAR-17 03:00:00 to 10-MAR-17 03:01:00 (CST-6)
Location: TALLADEGA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees uprooted at the Timber Ridge Golf Course.

Thunderstorm Wind in SHELBY, ALABAMA
From 10-MAR-17 03:08:00 to 10-MAR-17 03:09:00 (CST-6)
Location: NELSON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several trees uprooted and power lines downed.

Thunderstorm Wind in CLAY, ALABAMA
From 10-MAR-17 03:13:00 to 10-MAR-17 03:14:00 (CST-6)
Location: FLAT ROCK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees uprooted near the intersection of Clairmont Springs Road and Highland Road.

Thunderstorm Wind in CLAY, ALABAMA
From 10-MAR-17 03:16:00 to 10-MAR-17 03:17:00 (CST-6)
Location: BARFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees uprooted blocking Prairie Creek Road.

Thunderstorm Wind in CLAY, ALABAMA
From 10-MAR-17 03:16:00 to 10-MAR-17 03:18:00 (CST-6)
Location: ASHLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees uprooted in the city of Ashland.

Thunderstorm Wind in ELMORE, ALABAMA
From 10-MAR-17 04:12:00 to 10-MAR-17 04:13:00 (CST-6)
Location: WETUMPKA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous structures in downtown Wetumpka suffered roof damage.

Thunderstorm Wind in ELMORE, ALABAMA
From 10-MAR-17 04:16:00 to 10-MAR-17 04:18:00 (CST-6)
Location: MILLBROOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees uprooted in the town of Millbrook.

Thunderstorm Wind in AUTAUGA, ALABAMA
From 10-MAR-17 04:20:00 to 10-MAR-17 04:20:00 (CST-6)
Location: PRATTMONT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees uprooted along Highway 31.