A series of upper level disturbances interacting with a stalled frontal boundary in the northern Gulf of Mexico produced numerous showers and thunderstorms across south-central Louisiana from late on December 7, 2009 through the morning hours on December 8, 2009. Thunderstorms repeatedly developed just south of the Louisiana coast and moved northeastward across Iberia and St. Mary Parishes, leading to rainfall totals of 6 to 9 inches across much of Iberia Parish and the northern half of St. Mary Parish. Major flash flooding resulted, with a total of 61 homes and 5 businesses flooded across the cities of New Iberia and Jeanerette. Damage totals were estimated to reach $X dollars.

Heavy Rain in IBERIA, LOUISIANA
From 07-DEC-09 22:00:00 to 08-DEC-09 04:00:00 (CST-6)
Location: JEANERETTE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Jeanerette Co-op Observer measured a rainfall total of 6.34 inches.

Heavy Rain in IBERIA, LOUISIANA
From 07-DEC-09 22:00:00 to 08-DEC-09 04:00:00 (CST-6)
Location: NEW IBERIA ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Acadiana Regional Airport ASOS measured a rainfall total of 6.57 inches.

Flood in IBERIA, LOUISIANA
From 08-DEC-09 05:30:00 to 08-DEC-09 16:00:00 (CST-6)
Location: GONDRON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Lafayette TV stations and NWS employees reported flooding continued well into the afternoon hours on December 8, 2009, as the heavy rainfall from earlier in the day slowly receded towards the Gulf of Mexico. Numerous roads remained underwater, especially between Avery Island and New Iberia, including Hazard Road and Armenco Road.

Heavy Rain in ST. MARY, LOUISIANA
From 07-DEC-09 22:30:00 to 08-DEC-09 04:30:00 (CST-6)
Location: CENTERVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

KATC-TV Weather Watcher in Centerville measured a rainfall total of 8.48 inches.

Flash Flood in IBERIA, LOUISIANA
From 08-DEC-09 01:00:00 to 08-DEC-09 05:30:00 (CST-6)
Location: GONDRON
Flood cause: Heavy Rain
Property damage: 1.50M
Crop damage: 0.00K
Reported by: Emergency Manager

Iberia Parish Emergency Manager reported major flash flooding across most of Iberia Parish, with the worst flooding in the cities of New Iberia and Jeanerette. Particularly hard hit was the west end of New Iberia, where numerous homes were flooded and nearly all roadways submerged. Several high water rescues were performed by emergency officials across New Iberia due to vehicles stalled in high water. In total, 38 homes and 6 businesses received flood damage in and near New Iberia, while 24 homes and 1 business were damaged by flood waters in and around Jeanerette. In addition, at least 9 vehicles and 6 outdoor buildings suffered flood damage.

Flash Flood in ST. MARY, LOUISIANA
From 08-DEC-09 01:00:00 to 08-DEC-09 05:30:00 (CST-6)
Location: IVANHOE
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

St. Mary Parish Emergency Manager reported 25 homes flooded in and around Baldwin. Portions of Franklin High School were flooded with up to 4 inches of water, including the Franklin Adult Learning Center and Vocational-Technical buildings, according to the Morgan City Daily Review. Lafayette Daily Advertiser also reported the new Rain Tree Elementary School in Charenton was completely surrounded by flood waters, causing plumbing problems to the building and forcing the cancellation of school for the day.