Tropical Storm Allison caused minor problems along coastal sections of southwest Louisiana, but eventually resulted in catstrophic flood losses further inland. Wind gusts of 30 to 40 mph resulted in minor roof damage to less than ten homes along the coast in Cameron Parish between the evening of June 5th and the early morning hours of June 6th. A two foot storm surge resulted in minor beach erosion and portions of Highway 82 between Johnson Bayou and Holly Beach to go under water during high tide during the nighttime high tide of June 5th to 6th. The specific flood events that occurred between June 6th and 10th were a result of the remnants of Tropical Storm Allison, as it meandered across southeast and east Texas.

Flash Flood in IBERIA, LOUISIANA
From 06-JUN-01 16:00:00 to 07-JUN-01 07:00:00 (CST)
Location: JEFFERSON IS
Property damage: 1.5M
Reported by: NWS STORM SURVEY

Between five and ten inches of rain fell in less than three hours, resulting in significant flooding in rural sections of western Iberia Parish. More importantly, sections of US 90 were closed between Lafayette and New Iberia for over 12 hours as a result of the large amount of rain in such a short time span. Hundreds of motorists were stranded for hours waiting for flooded roadways to open up.

Flash Flood in ST. MARTIN, LOUISIANA
From 06-JUN-01 16:00:00 to 07-JUN-01 07:00:00 (CST)
Location: ST MARTINVILLE
Property damage: 1M
Reported by: NWS STORM SURVEY

The roads in St. Martin Parish were mostly open during this flod, but still up to a hundred homes had water enter then in rural sections of the parish, mainly from St. Martinville westward. Up to five inches of rain in less than three hours accounted for the problem.

Flash Flood in BEAUREGARD, LOUISIANA
From 07-JUN-01 04:00:00 to 07-JUN-01 06:00:00 (CST)
Location: MERRYVILLE
Property damage: 100K
Reported by: NWS STORM SURVEY

The heavy rain that hit southeastern Texas extended into Beauregard Parish, resulting in widespread street flooding around Merryville. Most of the damage at this time was a result of street and bridge damage. A more significant flood occurs the next day (June 8th).

Flash Flood in ST. MARY, LOUISIANA
From 06-JUN-01 08:30:00 to 06-JUN-01 13:00:00 (CST)
Location: FRANKLIN
Property damage: 100K
Reported by: NWS STORM SURVEY

Nearly five inches of rain fell in less than three hours, resulting in significant street flooding of the Franklin area. Several homes and many businesses had water enter them.

Flash Flood in VERMILION, LOUISIANA
From 06-JUN-01 14:30:00 to 07-JUN-01 07:00:00 (CST)
Location: ERATH
Property damage: 3M
Reported by: NWS STORM SURVEY

Up to ten inches of rain fell in less than three hours, resulting in major flooding the the Erath area. Over 500 homes were reported flooded, and many roads remained under water for over 16 hours.

Flash Flood in BEAUREGARD, LOUISIANA
From 08-JUN-01 05:00:00 to 08-JUN-01 09:00:00 (CST)
Location: MERRYVILLE
Property damage: 1.5M
Reported by: NWS STORM SURVEY

With already saturated grounds, an additional five to ten inches of rain resulted in widespread flooding of the Merryville area, flooding nearly every home and business in the downtown area.

Tropical Storm in CAMERON, LOUISIANA
From 05-JUN-01 16:00:00 to 06-JUN-01 00:00:00 (CST)
Reported by: NWS STORM SURVEY

Tropical Storm in VERMILION, LOUISIANA
From 05-JUN-01 16:00:00 to 06-JUN-01 00:00:00 (CST)
Reported by: NWS STORM SURVEY

Flash Flood in LAFAYETTE, LOUISIANA
From 06-JUN-01 15:35:00 to 07-JUN-01 07:00:00 (CST)
Location: YOUNGSVILLE
Property damage: 5M
Reported by: NWS STORM SURVEY

Over ten inches of rain fell in the Youngsville area, resulting in nearly 400 homes and businesses with flood water damages. With US 90 closed between Lafayette and New Iberia, many people risked their life by driving around road barricades into deep, moning water. Fire and police rescue personel used water ski-doos to retrieve dozens of people from roofs of vehicles, and even trees.