A weak convergence zone over northern Alabama interacted with moderate to high instability to produce numerous afternoon and early evening thunderstorms. Many of these storms were strong and produced dime to nickel size hail. Some of these thunderstorms reached severe thesholds and produced damaging microbursts in Cullman, Madison, and Morgan counties.

Hail in MORGAN, ALABAMA
From 28-MAY-10 15:12:00 to 28-MAY-10 15:17:00 (CST-6)
Location: DECATUR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail up to 3/4 of an inch in diameter fell in Decatur.

Thunderstorm Wind in MORGAN, ALABAMA
From 28-MAY-10 14:30:00 to 28-MAY-10 14:40:00 (CST-6)
Location: SOMERVILLE
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Several trees were reported blown down near Somerville.

Hail in CULLMAN, ALABAMA
From 28-MAY-10 15:37:00 to 28-MAY-10 15:42:00 (CST-6)
Location: TRIMBLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail up to the size of nickels was reported near Trimble.

Hail in LAUDERDALE, ALABAMA
From 28-MAY-10 17:10:00 to 28-MAY-10 17:15:00 (CST-6)
Location: CLOVERDALE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail up to the size of nickels was reported in Cloverdale.

Hail in MORGAN, ALABAMA
From 28-MAY-10 14:58:00 to 28-MAY-10 15:03:00 (CST-6)
Location: FALKVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail was reported near exit 322 on I-65 in Falkville.

Hail in MORGAN, ALABAMA
From 28-MAY-10 15:15:00 to 28-MAY-10 15:20:00 (CST-6)
Location: TRINITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny sized hail was reported in Trinity.

Thunderstorm Wind in CULLMAN, ALABAMA
From 28-MAY-10 15:37:00 to 28-MAY-10 15:42:00 (CST-6)
Location: TRIMBLE
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Structural damage to boat docks on Lewis Smith Lake near Trimble.

Thunderstorm Wind in CULLMAN, ALABAMA
From 28-MAY-10 15:38:00 to 28-MAY-10 15:44:00 (CST-6)
Location: LOGAN
Magnitude: 56.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were blown down and structural damage occurred to a barn and home on county roads 222, 349, and 346.

Thunderstorm Wind in MADISON, ALABAMA
From 28-MAY-10 12:40:00 to 28-MAY-10 12:45:00 (CST-6)
Location: CHASE
Magnitude: 43.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell on a power line on Adrian road off of Shield's road near Winchester road in Moores Mill.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 28-MAY-10 17:25:00 to 28-MAY-10 17:35:00 (CST-6)
Location: CLOVERDALE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down at the intersection of CR 8 and highway 157.

Hail in MADISON, ALABAMA
From 28-MAY-10 14:15:00 to 28-MAY-10 14:20:00 (CST-6)
Location: FARLEY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel sized hail was reported at the intersection of South Memorial Parkway and Green Cove road.