Tornadoes and Damaging Wind in Louisiana, October 3, 1964

Name: Tornadoes and Damaging Wind in Louisiana, October 3, 1964
Start: 1964-10-03T05:45
End: 1964-10-03T11:10
Location: Louisiana

October 3, 1964 · 7 events in 5 counties and zones

6 tornado, 1 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 22
Injuries: 170
Property damage: $7.6 million
Crop damage: None recorded
Events: 7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

6 tornado, 1 thunderstorm wind. Local standard time, as filed.

Tornado, Lafourche

When: October 3, 5:45 AM CST
Where: Lafourche County
Rating: F1
Path length: 0.5 mi
Path width: 33 yd
Property damage: $3,000
Coordinates: 29.370, -90.230

Tornado, Lafourche

When: October 3, 6:00 AM CST
Where: Lafourche County
Rating: F1
Path length: 0.5 mi
Path width: 33 yd
Property damage: $25,000
Coordinates: 29.430, -90.280

Thunderstorm Wind, Terrebonne

When: October 3, 6:00 AM CST
Where: Terrebonne County
Coordinates: 29.580, -90.680

Tornado, Lafourche

When: October 3, 6:30 AM CST
Where: Lafourche County
Rating: F4
Path length: 1.5 mi
Path width: 67 yd
Deaths: 22 direct, 0 indirect
Injuries: 165 direct, 0 indirect
Property damage: $2.5 million
Coordinates: 29.600, -90.370

Tornado, Jefferson

When: October 3, 9:00 AM CST
Where: Jefferson County
Rating: F2
Path length: 6.5 mi
Path width: 83 yd
Injuries: 3 direct, 0 indirect
Property damage: $2.5 million
Coordinates: 29.930, -90.220

Tornado, Orleans

When: October 3, 9:00 AM CST
Where: Orleans County
Rating: F2
Path length: 7.7 mi
Path width: 83 yd
Injuries: 2 direct, 0 indirect
Property damage: $2.5 million
Coordinates: 29.970, -90.120

Tornado, Assumption

When: October 3, 11:10 AM CST
Where: Assumption County
Rating: F2
Path length: 1.5 mi
Path width: 100 yd
Property damage: $25,000
Coordinates: 29.920, -91.100

What these are

Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Tornado in Mississippi, October 3, 1964F2 · 1 event

Every storm in Louisiana in 1964 Every state in 1964 This day in weather history The tornado archive for Louisiana, 1964

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10030798, 10030799, 10030800, 10030801, 10030802, 10030803, 10030804.