A strong storm system over the middle Mississippi River Valley pushed a cold front through southeast Louisiana. A squall line developed in advance of the front and produced numerous reports of severe weather.

Thunderstorm Wind in ASCENSION, LOUISIANA
From 04-APR-11 17:30:00 to 04-APR-11 17:32:00 (CST-6)
Location: GONZALES BISHOP ARPT
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees, power lines, tree branches were reported down along with a fence blown down. The damage occurred along Pertiuis Road, Sam Martin Road, and Highway 22.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:18:00 to 04-APR-11 18:18:00 (CST-6)
Location: MANDEVILLE
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several trees and large tree branches were blown down in Old Mandeville, blocking Villere Road and Monroe Street. Power was out across much of the area south of US Highway 190 and East Causeway Approach and west of Louisiana Highway 59.

Thunderstorm Wind in ASCENSION, LOUISIANA
From 04-APR-11 17:20:00 to 04-APR-11 17:24:00 (CST-6)
Location: DUPLESSIS
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees, power lines and large tree branches were blown down in areas northwest to northeast of Gonzales, including areas near Walnut Road, Fairchild Road, Denham Road,  Preston Landry Road, and Hilbert Young Road.

Thunderstorm Wind in JEFFERSON, LOUISIANA
From 04-APR-11 18:30:00 to 04-APR-11 18:30:00 (CST-6)
Location: METAIRIE
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Several trees and power lines down were blown down in Old Metairie, and a gas station awning was blown down.

Thunderstorm Wind in JEFFERSON, LOUISIANA
From 04-APR-11 18:19:00 to 04-APR-11 18:21:00 (CST-6)
Location: (MSY)MOISANT FLD NEW
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in EAST BATON ROUGE, LOUISIANA
From 04-APR-11 16:55:00 to 04-APR-11 16:55:00 (CST-6)
Location: BATON ROUGE
Magnitude: 70.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Baton Rouge TV stations report trees and powerlines down across several locations in Baton Rouge. Over 20,000 customers were without power. Time estimated based on radar.

Thunderstorm Wind in EAST BATON ROUGE, LOUISIANA
From 04-APR-11 16:59:00 to 04-APR-11 16:59:00 (CST-6)
Location: BROADMOOR
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees and fences were blown down on South Foster Drive in Baton Rouge.

Thunderstorm Wind in LIVINGSTON, LOUISIANA
From 04-APR-11 17:05:00 to 04-APR-11 17:05:00 (CST-6)
Location: WALKER
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Baton Rouge media reported trees down on powerlines. Time estimated based on radar.

Thunderstorm Wind in EAST BATON ROUGE, LOUISIANA
From 04-APR-11 17:10:00 to 04-APR-11 17:10:00 (CST-6)
Location: NESSER
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown over and completely blocking the intersection of Coursey and Stumberg Lane.

Thunderstorm Wind in ASCENSION, LOUISIANA
From 04-APR-11 17:25:00 to 04-APR-11 17:25:00 (CST-6)
Location: WEBER CITY
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees and power lines were blocking Louisiana Highway 431 between Churchpoint/Stringer Bridge and Weber City Road.

Thunderstorm Wind in ASCENSION, LOUISIANA
From 04-APR-11 17:26:00 to 04-APR-11 17:26:00 (CST-6)
Location: DUCKROOST
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down along Gold Place Road in St. Amant.

Thunderstorm Wind in ASCENSION, LOUISIANA
From 04-APR-11 17:28:00 to 04-APR-11 17:28:00 (CST-6)
Location: DUCKROOST
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down blocking Stringer Ridge Road.

Thunderstorm Wind in ST. JOHN THE BAPTIST, LOUISIANA
From 04-APR-11 18:05:00 to 04-APR-11 18:05:00 (CST-6)
Location: LA PLACE
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread power outages occurred in LaPlace. Trees were reported down and other debris near 2217 Airline Highway. A tree was also down across a residential handicap ramp.

Thunderstorm Wind in LAFOURCHE, LOUISIANA
From 04-APR-11 18:17:00 to 04-APR-11 18:17:00 (CST-6)
Location: CHEGBY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A branch fell through a trailer on Choctaw Road.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:22:00 to 04-APR-11 18:22:00 (CST-6)
Location: MANDEVILLE
Magnitude: 70.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

A large tree about 3 to 4 feet in diameter was blown down and blocking US Highway 190 between Colbert and Soult Streets. Numerous power outages were reported east of Louisiana Highway 59 to Soult Street, north of US Highway 190 and south of Louisiana Highway 1088.

Thunderstorm Wind in ST. JOHN THE BAPTIST, LOUISIANA
From 04-APR-11 18:25:00 to 04-APR-11 18:25:00 (CST-6)
Location: LA PLACE
Magnitude: 55.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Power lines were reported down on Airline Highway.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:27:00 to 04-APR-11 18:27:00 (CST-6)
Location: LACOMBE
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Trees and power lines were reported downed in Lacombe.

Thunderstorm Wind in JEFFERSON, LOUISIANA
From 04-APR-11 18:30:00 to 04-APR-11 18:30:00 (CST-6)
Location: SOUTHPORT
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Power poles and trees leaning on a house with additional roof and siding damage to at least 2 other homes on Park Drive South.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:35:00 to 04-APR-11 18:35:00 (CST-6)
Location: ALTON
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Metal roof panels curled up on an industrial garage on Bobcat Road. Time estimated by radar.

Thunderstorm Wind in ST. CHARLES, LOUISIANA
From 04-APR-11 18:35:00 to 04-APR-11 18:35:00 (CST-6)
Location: DESTREHAN
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Roof damage was reported to one home. Time was estimated based on radar.

Thunderstorm Wind in LIVINGSTON, LOUISIANA
From 04-APR-11 17:30:00 to 04-APR-11 17:30:00 (CST-6)
Location: SPRINGVILLE
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A large tree was snapped on Louisiana Highway 441. Time was estimated based on radar.

Thunderstorm Wind in LIVINGSTON, LOUISIANA
From 04-APR-11 17:35:00 to 04-APR-11 17:35:00 (CST-6)
Location: SPRINGFIELD
Magnitude: 55.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tree was reported down along Louisiana Highway 43 in Hungarian Settlement.

Thunderstorm Wind in TANGIPAHOA, LOUISIANA
From 04-APR-11 17:35:00 to 04-APR-11 17:35:00 (CST-6)
Location: AMITE
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several trees and a few power lines were downed in Amite.

Tornado in WASHINGTON, LOUISIANA
From 04-APR-11 17:40:00 to 04-APR-11 17:40:00 (CST-6)
Location: FRANKLINTON
Tornado F-scale: EF1
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A large portion of the roof structure was completely removed from one home. Several very large trees were completely uprooted. Two single wide mobile homes also had roof damage. Damage path length was approximately 0.2 miles. Path width of 75 yards. Winds were rated as high end EF1 with maximum wind speeds of 105 mph.

Thunderstorm Wind in WASHINGTON, LOUISIANA
From 04-APR-11 17:40:00 to 04-APR-11 17:40:00 (CST-6)
Location: FRANKLINTON
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A roof was damaged and possibly blown off of a framed house near the intersection of Bogue Chitto River and Louisiana Highway 25. Time was estimated based on radar.

Thunderstorm Wind in TANGIPAHOA, LOUISIANA
From 04-APR-11 17:42:00 to 04-APR-11 17:42:00 (CST-6)
Location: HAMMOND EAST ARPT
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were blown down along Interstate 12 near the Interstate 55 interchange.

Thunderstorm Wind in ST. JAMES, LOUISIANA
From 04-APR-11 17:53:00 to 04-APR-11 17:53:00 (CST-6)
Location: GRAMERCY
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were reported downed in Gramercy.

Thunderstorm Wind in ST. CHARLES, LOUISIANA
From 04-APR-11 18:35:00 to 04-APR-11 18:35:00 (CST-6)
Location: DUFRESNE
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Shutters were damaged and large tree limbs downed in Luling on Kayle Drive. Time was estimated based on radar.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:40:00 to 04-APR-11 18:40:00 (CST-6)
Location: SLIDELL
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager reported a tree down and blocking the road in the Chamale Cove Subdivision.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:40:00 to 04-APR-11 18:40:00 (CST-6)
Location: ST JOE
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A tree was reported down across US Highway 11 near St. Joe Brick Works between Slidell and Pearl River. Time was estimated based on radar.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:42:00 to 04-APR-11 18:42:00 (CST-6)
Location: NORTH SHORE
Magnitude: 60.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Damage was reported to commercial buildings on Pontchartrain Drive. Two metal roofs were blown off buildings and carried down the road and numerous doors were blown in on a couple of buildings.

Thunderstorm Wind in ORLEANS, LOUISIANA
From 04-APR-11 18:44:00 to 04-APR-11 18:44:00 (CST-6)
Location: (NEW)LKFRNT ARPT NEW
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in TERREBONNE, LOUISIANA
From 04-APR-11 19:45:00 to 04-APR-11 19:45:00 (CST-6)
Location: DULAC
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused roof damage to a business in Dulac.

Thunderstorm Wind in LAFOURCHE, LOUISIANA
From 04-APR-11 20:17:00 to 04-APR-11 20:17:00 (CST-6)
Location: CUT OFF
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two trees were blown down onto power lines near Cut Off.

Tornado in LIVINGSTON, LOUISIANA
From 04-APR-11 17:42:00 to 04-APR-11 17:42:00 (CST-6)
Location: CLIO
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A brief tornado touchdown occurred along Lower Rome Road just north of Chapel Road. The tornado roughly traveled due east along Lower Rome Road causing significant damage to trees. Several large hardwoods were uprooted and a few snapped. in addition, a metal roof was peeled off of one home. Maximum estimated winds were 100 mph. Path width was 50 yards and path length one half mile.

Thunderstorm Wind in WEST FELICIANA, LOUISIANA
From 04-APR-11 16:40:00 to 04-APR-11 16:40:00 (CST-6)
Location: ROGILLIOVILLE
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees were blown down along Louisiana Highway 421 between Louisiana Highway 10 and Louisiana Highway 967. The road was blocked in multiple areas.

Tornado in ST. JAMES, LOUISIANA
From 04-APR-11 17:50:00 to 04-APR-11 17:52:00 (CST-6)
Location: GRAMERCY
Tornado F-scale: EF0
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touchdown occurred near the intersection of North Airline Avenue and Louisiana Highway 3125. The tornado moved south-southeast through a residential neighborhood with the worst damage observed on Ezildore Avenue between 6th and 7th Streets. A carport was lifted off a home causing significant damage to the home. The tornado continued to the south-southeast causing significant tree damage and some minor to moderate roof damage. The tornado finally lifted near the end of East 2nd Street. Maximum estimated winds were 80 mph.

Thunderstorm Wind in WASHINGTON, LOUISIANA
From 04-APR-11 17:55:00 to 04-APR-11 17:55:00 (CST-6)
Location: FRANKLINTON
Magnitude: 70.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A few trees and power line poles were downed by thunderstorm winds in Franklinton.

Tornado in WASHINGTON, LOUISIANA
From 04-APR-11 18:01:00 to 04-APR-11 18:01:00 (CST-6)
Location: BOGALUSA
Tornado F-scale: EF1
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado lifted a trailer off the ground and blew it about 20 yards into another camper. Sheet metal and tin roofing and an awning were blown 50 to 75 yeards away and wrapped around one tree trunk about 20 feet off the ground. Numerous hardwoods and softwoods were uprooted and snapped. The tornado was witnessed by one resident. Maximum estimated winds were 105 mph.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:15:00 to 04-APR-11 18:15:00 (CST-6)
Location: BUSH
Magnitude: 70.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A large oak tree was uprooted and fell on a house just off Louisiana Highway 41. A large portion of the house was crushed.

Thunderstorm Wind in WEST FELICIANA, LOUISIANA
From 04-APR-11 16:21:00 to 04-APR-11 16:21:00 (CST-6)
Location: HARDWOOD
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down and blocking Mahoney Road at Airport Road.

Thunderstorm Wind in WEST FELICIANA, LOUISIANA
From 04-APR-11 16:29:00 to 04-APR-11 16:29:00 (CST-6)
Location: BEECHWOOD
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down and blocking Bains Road just west of Stirling Road.

Thunderstorm Wind in POINTE COUPEE, LOUISIANA
From 04-APR-11 16:35:00 to 04-APR-11 16:35:00 (CST-6)
Location: NEW ROADS
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 2 foot diameter tree was blown down 1 mile southwest of New Roads.

Thunderstorm Wind in WEST FELICIANA, LOUISIANA
From 04-APR-11 16:08:00 to 04-APR-11 16:08:00 (CST-6)
Location: ROSEBANK
Magnitude: 55.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down blocking Como Road 1 mile west of Highland Road.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:25:00 to 04-APR-11 18:25:00 (CST-6)
Location: CHINCHUBA
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down in the Forest Brook Subdivision off of Louisiana Highway 1088 on Mesa Court, Bluff Court, and Range Court. Time estimated based on radar.

Thunderstorm Wind in LIVINGSTON, LOUISIANA
From 04-APR-11 17:22:00 to 04-APR-11 17:22:00 (CST-6)
Location: LIVINGSTON
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Large tree limbs were snapped and a small tree was uprooted along Louisiana Highway 42.

Thunderstorm Wind in ST. TAMMANY, LOUISIANA
From 04-APR-11 18:40:00 to 04-APR-11 18:40:00 (CST-6)
Location: SLIDELL
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A tree fell on a home in Slidell near the intersection of 7th Street and Fremaux Avenue. Time of the event was based on radar.