A cold front moved through southern Mississippi and southeast Louisiana during the daytime hours on May 26. Numerous reports of hail and wind damage were received, as well as several reports of tornadoes.

Hail in ST. TAMMANY, LOUISIANA
From 26-MAY-11 17:03:00 to 26-MAY-11 17:05:00 (CST-6)
Location: SLIDELL ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail ranging in size from marble to half dollar size was observed at the National Weather Service Office.

Hail in WASHINGTON, LOUISIANA
From 26-MAY-11 15:20:00 to 26-MAY-11 15:20:00 (CST-6)
Location: BOGALUSA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 26-MAY-11 16:30:00 to 26-MAY-11 16:30:00 (CST-6)
Location: CHINCHUBA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

One tree and numerous limbs were knocked down at Louisiana Highway 59 and Interstate 12. Marble size hail was also reported.

Hail in JEFFERSON, LOUISIANA
From 26-MAY-11 19:10:00 to 26-MAY-11 19:10:00 (CST-6)
Location: LAFITTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail the size of quarters was reported in the Marrero-Lafitte-Larose Highway area near Lafitte.

Thunderstorm Wind in ORLEANS, LOUISIANA
From 26-MAY-11 19:36:00 to 26-MAY-11 19:36:00 (CST-6)
Location: (NEW)LKFRNT ARPT NEW
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 26-MAY-11 16:30:00 to 26-MAY-11 16:30:00 (CST-6)
Location: CHINCHUBA
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

Large trees were blown down along Louisiana Highway 1088 near Cypress Street.

Hail in ST. TAMMANY, LOUISIANA
From 26-MAY-11 16:58:00 to 26-MAY-11 16:58:00 (CST-6)
Location: LACOMBE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in ST. TAMMANY, LOUISIANA
From 26-MAY-11 17:00:00 to 26-MAY-11 17:00:00 (CST-6)
Location: LACOMBE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in ST. TAMMANY, LOUISIANA
From 26-MAY-11 17:10:00 to 26-MAY-11 17:10:00 (CST-6)
Location: BONFOUCA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Quarter size hail was reported by an off duty NWS employee.

Hail in ORLEANS, LOUISIANA
From 26-MAY-11 17:58:00 to 26-MAY-11 17:58:00 (CST-6)
Location: SOUTH PT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel to quarter size hail was reported in the Irish Bayou area near Interstate 10.

Tornado in ST. TAMMANY, LOUISIANA
From 26-MAY-11 15:40:00 to 26-MAY-11 15:55:00 (CST-6)
Location: BLOND
Tornado F-scale: EF3
Property damage: 400.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Damage began at Birtrue Road east of Louisiana Highway 40. The tornado then continued eastward producing EF2 damage to homes on Birtue and Thornhill Roads. EF3 damage was observed near the intersection of Jenkins Cemetery Road and Louisiana Highway 40. Two homes had extensive damage with 90 percent of their roofs ripped off and collapse of some exterior walls. Three homes suffered significant damage, as well as 10 to 15 un-anchored mobile homes.