A weak frontal boundary entered Louisiana on the 11th and slowly moved into deep south central Louisiana during the early morning hours of the 12th. The boundary very slowly lifted back north by sunrise on the 12th and then thunderstorms kept back-building over Acadiana through late morning to around noon. High water levels took multiple days to recede.

Thunderstorm Wind in CAMERON, LOUISIANA
From 11-MAR-12 19:29:00 to 11-MAR-12 19:29:00 (CST-6)
Location: GRAND LAKE
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

A flatbed trailor was flipped over and doors on a tool shed were blown out with a passing line of storms.

Thunderstorm Wind in RAPIDES, LOUISIANA
From 11-MAR-12 19:36:00 to 11-MAR-12 19:36:00 (CST-6)
Location: FOREST HILL
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The sheriff���s department reported a tree down on Highway 112 in the Forest Hill area from a passing storm.

Thunderstorm Wind in JEFFERSON DAVIS, LOUISIANA
From 11-MAR-12 21:35:00 to 11-MAR-12 21:35:00 (CST-6)
Location: JENNINGS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter visiting the area from Tennessee reported winds gusts 50 to 60 mph. This was associated with the same storm that produced a tornado near by.

Flood in ST. MARTIN, LOUISIANA
From 12-MAR-12 19:00:00 to 19-MAR-12 00:00:00 (CST-6)
Location: CECELIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain that fell across portions of Acadiana during the morning of the 12th slowly drained from the region over several days.

Flood in ST. LANDRY, LOUISIANA
From 12-MAR-12 19:00:00 to 19-MAR-12 00:00:00 (CST-6)
Location: ARNAUDVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain that fell across portions of Acadiana during the morning of the 12th slowly drained from the region over several days.

Heavy Rain in RAPIDES, LOUISIANA
From 11-MAR-12 19:00:00 to 15-MAR-12 23:00:00 (CST-6)
Location: GLENMORA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain during the evening of the 11th resulted in multiple road closures for up to 4 days. Roads were first reported closed around the Glenmora area on the 11th and some roads were still affected near Esler Regional Airport on the 15th.

Hail in JEFFERSON DAVIS, LOUISIANA
From 11-MAR-12 21:35:00 to 11-MAR-12 21:35:00 (CST-6)
Location: JENNINGS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flood in ACADIA, LOUISIANA
From 12-MAR-12 19:00:00 to 19-MAR-12 00:00:00 (CST-6)
Location: CHURCH PT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain that fell across portions of Acadiana during the morning of the 12th slowly drained from the region over several days.

Flash Flood in ST. MARTIN, LOUISIANA
From 12-MAR-12 12:05:00 to 12-MAR-12 19:00:00 (CST-6)
Location: CECELIA
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A boundary pushed to the coast of Louisiana during March 11th and then slowly lifted into Acadiana and stalled through much of 12th. Storms kept redeveloping over the area north of interstate 10 with some locations receiving more than one foot of rain during the 12th. Flash Flooding was reported across multiple parishes, but were most notable across southern portions of Saint Landry, northern sections of Lafayette, and northwest sections of Saint Martin parishes. Flood levels reached record levels along Bayou Vermilion during the event in Carencro.
The event flooded 87 homes in Saint Martin Parish and flooded many roadways. A river gauge along Bayou Vermilion between Carencro and Arnaudville recorded 14.61 inches during the event with radar estimates between 14 and 16 inches which resulted in a record crest of 22.5 feet, 1 foot over the previous record.

Flash Flood in ACADIA, LOUISIANA
From 12-MAR-12 14:15:00 to 12-MAR-12 19:00:00 (CST-6)
Location: CHURCH PT
Flood cause: Heavy Rain
Property damage: 450.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A boundary pushed to the coast of Louisiana during March 11th and then slowly lifted into Acadiana and stalled through much of 12th. Storms kept redeveloping over the area north of interstate 10 with some locations receiving more than one foot of rain during the 12th. Flash Flooding was reported across multiple parishes, but were most notable across parishes to the east of Acadia, however 47 houses were still flooded during the event and water was still in some homes the day after the heavy rain event in the Church Point area.

Flash Flood in ST. LANDRY, LOUISIANA
From 12-MAR-12 10:49:00 to 12-MAR-12 19:00:00 (CST-6)
Location: GRAND COTEAU
Flood cause: Heavy Rain
Property damage: 3.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A boundary pushed to the coast of Louisiana during March 11th and then slowly lifted into Acadiana and stalled through much of 12th. Storms kept redeveloping over the area north of interstate 10 with some locations receiving more than one foot of rain during the 12th. Flash Flooding was reported across multiple parishes, but were most notable across southern portions of Saint Landry, northern sections of Lafayette, and northwest sections of Saint Martin parishes. Flood levels reached record levels along Bayou Vermilion during the event in Carencro.
151 homes were flooded in southern sections of Saint Landry Parish with 35 people being rescued and another dozen evacuated during the event. Many roads were closed as well with Interstate 49 closed from Sunset to Highway 190. A river gauge along Bayou Vermilion between Carencro and Arnaudville recorded 14.61 inches during the event with radar estimates between 14 and 16 inches which resulted in a record crest of 22.5 feet, 1 foot over the previous record.

Tornado in ACADIA, LOUISIANA
From 11-MAR-12 22:02:00 to 11-MAR-12 22:04:00 (CST-6)
Location: EVANGELINE
Tornado F-scale: EF1
Property damage: 80.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down near the Jeff Davis - Acadia Parish line, a few miles north of I-10. The most significant damage occurred near the intersection of Riverside and Simeo Roads, where several hardwood trees were uprooted, several pine trees were snapped, and one home received minor roof damage. An open air barn had one wall blown out, and an unsecured storage building was flipped and destroyed.

Flood in LAFAYETTE, LOUISIANA
From 12-MAR-12 19:00:00 to 19-MAR-12 00:00:00 (CST-6)
Location: MOUTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain that fell across portions of Acadiana during the morning of the 12th slowly drained from the region over several days.

Flash Flood in LAFAYETTE, LOUISIANA
From 12-MAR-12 10:08:00 to 12-MAR-12 19:00:00 (CST-6)
Location: CARENCRO
Flood cause: Heavy Rain
Property damage: 164.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A boundary pushed to the coast of Louisiana during March 11th and then slowly lifted into Acadiana and stalled through much of 12th. Storms kept redeveloping over the area north of interstate 10 with some locations receiving more than one foot of rain during the 12th. Flash Flooding was reported across multiple parishes, but were most notable across southern portions of Saint Landry, northern sections of Lafayette, and northwest sections of Saint Martin parishes. Flood levels reached record levels along Bayou Vermilion during the event in Carencro.
The event flooded 690 homes which affected around 2,000 residents in the Carencro area. 77 rescues were made. Many roads were also closed including Interstate 49 from Sunset to Highway 190. A river gauge along Bayou Vermilion between Carencro and Arnaudville recorded 14.61 inches during the event with radar estimates between 14 and 16 inches which resulted in a record crest of 22.5 feet, 1 foot over the previous record.