Louisiana, 1983

Tornadoes and Damaging Winds in Louisiana, December 11, 1983

December 11, 1983 · NWS AT · 11 events in 7 counties and zones

9 thunderstorm wind, 2 tornado, 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

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The toll

Deaths
0
Injuries
4
Property damage
$500,000
Crop damage
None recorded
Events
11

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

9 thunderstorm wind, 2 tornado. Local standard time, as filed.

Thunderstorm Wind, East Baton Rouge

When
December 11, 12:15 AM CST
Where
East Baton Rouge County
Coordinates
30.530, -91.070

Tornado, St. Helena

When
December 11, 12:30 AM CST
Where
St. Helena County
Rating
F1
Path length
0.5 mi
Path width
200 yd
Injuries
4 direct, 0 indirect
Property damage
$250,000
Coordinates
30.700, -90.680

Tornado, Tangipahoa

When
December 11, 1:05 AM CST
Where
Tangipahoa County
Rating
F1
Path length
2 mi
Path width
150 yd
Property damage
$250,000
Coordinates
30.680, -90.500

Thunderstorm Wind, Washington

When
December 11, 1:10 AM CST
Where
Washington County
Coordinates
30.850, -90.030

Thunderstorm Wind, Tangipahoa

When
December 11, 1:10 AM CST
Where
Tangipahoa County
Coordinates
30.630, -90.400

Thunderstorm Wind, Washington

When
December 11, 2:20 AM CST
Where
Washington County
Coordinates
30.950, -89.770

Thunderstorm Wind, Jefferson

When
December 11, 4:00 AM CST
Where
Jefferson County
Measured
53 kt (61 mph)
Coordinates
30.000, -90.250

Thunderstorm Wind, Lafourche

When
December 11, 4:25 AM CST
Where
Lafourche County
Coordinates
29.700, -90.580

Thunderstorm Wind, Jefferson

When
December 11, 4:45 AM CST
Where
Jefferson County
Coordinates
29.550, -90.030

Thunderstorm Wind, Jefferson

When
December 11, 4:45 AM CST
Where
Jefferson County
Measured
78 kt (90 mph)
Coordinates
30.000, -90.250

Thunderstorm Wind, Orleans

When
December 11, 4:45 AM CST
Where
Orleans County
Coordinates
30.030, -89.930

What these are

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.
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.

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

The same day elsewhere

More

Every storm in Louisiana in 1983Every state in 1983This day in weather historyThe tornado archive for Louisiana, 1983

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: 10044073, 10044074, 10044075, 10044076, 10044077, 10044078, 10044079, 10044080, 10044081, 10044082, 10044083.