F040 to 72 mph
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
F173 to 112 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
F2113 to 157 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
F3158 to 206 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
F4207 to 260 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
F5261 to 318 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
Every tornado in Louisiana in 1991
January 29 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| January 29 | 6:30 AM CST | F1 | Jefferson Parish | 0.3 | 200 | | | $50,000 to $500,000 |
February 18 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| February 18 | 1:41 PM CST | F1 | Caddo Parish | 1.0 | 200 | | | $50 to $500 |
March 1 4 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| March 1 | 7:00 AM CST | F1 | Vermilion Parish | 0.5 | 73 | | 1 | $5,000 to $50,000 |
| March 1 | 7:10 AM CST | F1 | Saint Landry Parish | 1.0 | 150 | | 1 | $5,000 to $50,000 |
| March 1 | 8:20 AM CST | F1 | West Baton Rouge Parish | 4.0 | 100 | | 2 | $50,000 to $500,000 |
| March 1 | 9:00 AM CST | F1 | Lafourche Parish | 1.0 | 50 | | 1 | $5,000 to $50,000 |
April 11 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| April 11 | 10:05 AM CDT | F1 | Vernon Parish | 0.5 | 50 | | | $500 to $5,000 |
April 12 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| April 12 | 7:40 AM CDT | F2 | Bossier Parish | 15.0 | 100 | | | $50,000 to $500,000 |
April 19 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| April 19 | 2:30 PM CDT | F1 | Orleans Parish | 0.2 | 30 | | | $5,000 to $50,000 |
April 26 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| April 26 | 10:30 AM CDT | F1 | Jefferson Parish | 0.2 | 10 | | | $5,000 to $50,000 |
April 27 3 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| April 27 | 4:35 PM CDT | F1 | Catahoula Parish | 0.2 | 30 | | | |
| April 27 | 6:24 PM CDT | F1 | Caddo Parish | 2.0 | 120 | | | $5,000 to $50,000 |
| April 27 | 6:41 PM CDT | F1 | Bienville Parish | 5.0 | 120 | | | $5,000 to $50,000 |
May 4 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 4 | 2:48 AM CDT | F0 | Allen Parish | 0.2 | 17 | | | $5,000 to $50,000 |
May 5 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 5 | 4:45 AM CDT | F0 | Calcasieu Parish | 0.2 | 17 | | | $500 to $5,000 |
May 8 5 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 8 | 7:00 AM CDT | F1 | St. Mary Parish | 1.5 | 30 | | 1 | $5,000 to $50,000 |
| May 8 | 9:25 AM CDT | F1 | Lafourche Parish | 1.0 | 30 | | | $5,000 to $50,000 |
| May 8 | 4:40 PM CDT | F0 | Calcasieu Parish | 0.2 | 20 | | | |
| May 8 | 7:25 PM CDT | F0 | Cameron Parish | 0.1 | 20 | | | |
| May 8 | 8:14 PM CDT | F0 | Jefferson Davis Parish | 0.1 | 20 | | | $5,000 to $50,000 |
May 15 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 15 | 5:00 AM CDT | F0 | Lafayette Parish | 0.2 | 20 | | | $50,000 to $500,000 |
May 29 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 29 | 5:15 PM CDT | F1 | Concordia Parish | 1.0 | 23 | | | $50,000 to $500,000 |
June 5 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 5 | 8:00 PM CDT | F0 | Calcasieu Parish | 0.5 | 13 | | | $5,000 to $50,000 |
June 11 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 11 | 10:24 AM CDT | F0 | Plaquemines Parish | 0.5 | 13 | | | |
June 16 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 16 | 3:45 PM CDT | F0 | Jefferson Parish | 0.5 | 13 | | | $5,000 to $50,000 |
June 24 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 24 | 4:00 PM CDT | F0 | Saint Martin Parish | 0.5 | 13 | | | $500 to $5,000 |
July 4 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 4 | 4:00 PM CDT | F0 | Vernon Parish | 0.5 | 17 | | | $500 to $5,000 |
July 15 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 15 | 3:30 PM CDT | F0 | Livingston Parish | 0.5 | 17 | | | $500 to $5,000 |
October 22 2 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| October 22 | 7:15 PM CDT | F1 | East Baton Rouge Parish | 0.7 | 200 | | | $500,000 to $5 million |
| October 22 | 7:25 PM CDT | F0 | East Baton Rouge Parish | 0.5 | 100 | | | $5,000 to $50,000 |
November 1 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| November 1 | 12:25 AM CST | F1 | Terrebonne Parish | 0.3 | 20 | | | $50,000 to $500,000 |
November 19 5 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| November 19 | 8:15 AM CST | F1 | Vernon Parish | 0.3 | 20 | | 1 | $5,000 to $50,000 |
| November 19 | 5:45 PM CST | F2 | Avoyelles Parish | 10.0 | 100 | | 1 | $5,000 to $50,000 |
| November 19 | 7:40 PM CST | F1 | Madison Parish | 1.0 | 200 | | 1 | $50,000 to $500,000 |
| November 19 | 7:56 PM CST | F2 | East Carroll Parish | 0.7 | 100 | | 6 | $500,000 to $5 million |
| November 19 | 8:30 PM CST | F1 | Beauregard Parish | 0.5 | 20 | | | $5,000 to $50,000 |
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.