Thunderstorms in advance of a strong cold front produced numerous reports of flooding and severe weather on the afternoon of the 8th through the morning of the 9th.

Flash Flood in ST. TAMMANY, LOUISIANA
From 09-MAR-11 07:12:00 to 09-MAR-11 08:00:00 (CST-6)
Location: MC CLANE CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Standing water was reported on Interstate 10 at Irish Bayou. Also received reports of several inches of water in the road at City Hall in Old Town Slidell.

Flash Flood in ST. TAMMANY, LOUISIANA
From 09-MAR-11 07:50:00 to 09-MAR-11 08:45:00 (CST-6)
Location: MADISONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Water was reported over Vista Road.

Flash Flood in EAST BATON ROUGE, LOUISIANA
From 08-MAR-11 16:00:00 to 08-MAR-11 18:00:00 (CST-6)
Location: ZACHARY
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

WAFB-TV in Baton Rouge reported extensive street flooding in the Old Scenic Highway area. Several vehicles were submerged. The entrance to Sweet Briar Mobile Home Park was impassible.

Flash Flood in EAST BATON ROUGE, LOUISIANA
From 08-MAR-11 16:20:00 to 08-MAR-11 18:00:00 (CST-6)
Location: GREENWELL SPGS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

High water was reported on many roads. A nursing home had water coming under the doorway in Greenwell Springs.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 08-MAR-11 16:30:00 to 08-MAR-11 16:30:00 (CST-6)
Location: FOLSOM
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: COOP Observer

A large tree was blown down near the St. Tammany-Tangipahoa Parish near Highway 40.

Flash Flood in TANGIPAHOA, LOUISIANA
From 08-MAR-11 16:30:00 to 08-MAR-11 19:00:00 (CST-6)
Location: TANGIPAHOA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Approximately 100 to 150 homes were flooded in Tangipahoa.

Flash Flood in TANGIPAHOA, LOUISIANA
From 08-MAR-11 16:56:00 to 08-MAR-11 19:00:00 (CST-6)
Location: KENTWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Many roads were reported under water in Kentwood.

Flood in TANGIPAHOA, LOUISIANA
From 08-MAR-11 21:10:00 to 08-MAR-11 23:30:00 (CST-6)
Location: TANGIPAHOA
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Kentwood Police Department reported 6 water rescues as a result of flooding along a creek in the village of Tangipahoa.

Flash Flood in ST. HELENA, LOUISIANA
From 08-MAR-11 21:25:00 to 08-MAR-11 23:30:00 (CST-6)
Location: GREENSBURG
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Louisiana State Troop L in Mandeville reported several water rescues underway with many roads impassible in the northeast quadrant of St. Helena Parish in the vicinity of Beaver Creek. Highways 441...440 and 38 were reported impassible.

Flash Flood in ST. CHARLES, LOUISIANA
From 09-MAR-11 06:30:00 to 09-MAR-11 07:30:00 (CST-6)
Location: DESTREHAN
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple streets reported flooded with water in 2 houses.

Thunderstorm Wind in JEFFERSON, LOUISIANA
From 09-MAR-11 06:30:00 to 09-MAR-11 06:30:00 (CST-6)
Location: (MSY)MOISANT FLD NEW
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Tornado in ST. TAMMANY, LOUISIANA
From 09-MAR-11 06:52:00 to 09-MAR-11 06:57:00 (CST-6)
Location: NORTH SLIDELL
Tornado F-scale: EF2
Property damage: 300.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down near Pearl Drive and Azalea Lane and proceeded north-northeast for approximately 2 miles to near Davis Landing Road. Approximately 30 homes were damaged in Lake Village Subdivision. Some homes had portions of roofing deck removed. Other damage occurred near Lewis Stables...with one home sustaining a total roof loss, with a partial roof loss of another home. The tornado was rated at the lower end of the EF2 range.

Tornado in ST. TAMMANY, LOUISIANA
From 09-MAR-11 04:50:00 to 09-MAR-11 05:10:00 (CST-6)
Location: LACOMBE
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down just south of Interstate 12 and west of Louisiana Highway 434, crossed the interstate, and then impacted Fairhope Subdivision. Windows were blown out and garage door, roof and brick veneer damage noted. Intermittent EF0 damage was observed, with very spotty EF1 damage continuing to the northeast, crossing Louisiana Highway 36, Louisiana Highway 41, and ending on the west bank of the Pearl River. Estimated wind speed was 95 to 100 mph.

Tornado in ST. TAMMANY, LOUISIANA
From 09-MAR-11 05:45:00 to 09-MAR-11 05:50:00 (CST-6)
Location: BUSH
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down along Esbon Road. One wood frame house was lifted off of tied down cinder block foundation and destroyed. One other home had about half of the roofing deck from the backside of the home removed. Softwood pine trees had all limbs removed and bark missing from parts of trees. Estimated wind speed 115 mph.

Tornado in JEFFERSON, LOUISIANA
From 09-MAR-11 06:08:00 to 09-MAR-11 06:12:00 (CST-6)
Location: MOISANT ARPT
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A couple of power poles were blown down. Minor fence damage was reported along Joe Yenni Boulevard. A few trees were uprooted and one tree fell onto the corner of a house on Platt Street. Traffic lights were twisted on Joe Yenni Boulevard. Maximum wind was estimated at 70 mph. The tornado moved into Lake Pontchartrain.

Flash Flood in JEFFERSON, LOUISIANA
From 09-MAR-11 07:50:00 to 09-MAR-11 10:00:00 (CST-6)
Location: METAIRIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Water was overflowing the banks of the canal between West Napoleon and Severn.