Hail, Union
- When
- May 31, 9:40 AM CST
- Where
- Union County
- Measured
- 1 in hail
- Coordinates
- 32.770, -92.400
Tornadoes and Hail in Louisiana, May 31, 1990
5 thunderstorm wind, 3 hail, 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 10
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
5 thunderstorm wind, 3 hail, 2 tornado. Local standard time, as filed.
Hail, Union
- When
- May 31, 10:15 AM CST
- Where
- Union County
- Measured
- 0.75 in hail
- Coordinates
- 32.620, -92.330
Thunderstorm Wind, St. Helena
- When
- May 31, 3:00 PM CST
- Where
- St. Helena County
- Coordinates
- 30.820, -90.670
Hail, Livingston
- When
- May 31, 3:15 PM CST
- Where
- Livingston County
- Measured
- 1.75 in hail
- Coordinates
- 30.580, -90.950
Thunderstorm Wind, Pointe Coupee
- When
- May 31, 3:15 PM CST
- Where
- Pointe Coupee County
- Coordinates
- 30.680, -91.430
Thunderstorm Wind, West Baton Rouge
- When
- May 31, 3:20 PM CST
- Where
- West Baton Rouge County
- Coordinates
- 30.450, -91.220
Thunderstorm Wind, East Baton Rouge
- When
- May 31, 3:20 PM CST
- Where
- East Baton Rouge County
- Coordinates
- 30.470, -91.170
Thunderstorm Wind, Iberville
- When
- May 31, 4:00 PM CST
- Where
- Iberville County
- Coordinates
- 30.280, -91.230
Tornado, Iberia
- When
- May 31, 4:50 PM CST
- Where
- Iberia County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 20 yd
- Coordinates
- 30.000, -91.530
Tornado, St. Charles
- When
- May 31, 6:05 PM CST
- Where
- St. Charles County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 20 yd
- Coordinates
- 30.030, -90.320
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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 1990Every state in 1990This day in weather historyThe tornado archive for Louisiana, 1990Warnings in Louisiana, May 1990
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: 10045452, 10045662, 10045663, 10045664, 10045665, 10045666, 10045667, 10045668, 10045669, 10045670.