Hail, Alfalfa
- When
- May 13, 12:19 AM CST
- Where
- Alfalfa County
- Measured
- 1.75 in hail
- Coordinates
- 36.550, -98.270
Tornadoes and Hail in Oklahoma, May 13, 1981
8 hail, 4 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $3,000
- Crop damage
- None recorded
- Events
- 13
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
8 hail, 4 tornado, 1 thunderstorm wind. Local standard time, as filed.
Hail, Kay
- When
- May 13, 1:12 AM CST
- Where
- Kay County
- Measured
- 1.75 in hail
- Coordinates
- 36.800, -97.280
Hail, Osage
- When
- May 13, 2:09 AM CST
- Where
- Osage County
- Measured
- 0.75 in hail
- Coordinates
- 36.670, -96.330
Hail, Woods
- When
- May 13, 5:45 AM CST
- Where
- Woods County
- Measured
- 1.75 in hail
- Coordinates
- 36.800, -98.670
Thunderstorm Wind, Woods
- When
- May 13, 5:45 AM CST
- Where
- Woods County
- Coordinates
- 36.800, -98.670
Hail, Tulsa
- When
- May 13, 1:30 PM CST
- Where
- Tulsa County
- Measured
- 1.75 in hail
- Coordinates
- 36.150, -95.950
Tornado, Coal
- When
- May 13, 3:45 PM CST
- Where
- Coal County
- Rating
- F1
- Path width
- 33 yd
- Property damage
- $30
- Coordinates
- 34.670, -96.380
Hail, Pontotoc
- When
- May 13, 3:45 PM CST
- Where
- Pontotoc County
- Measured
- 2.75 in hail
- Coordinates
- 34.700, -96.430
Tornado, Coal
- When
- May 13, 4:10 PM CST
- Where
- Coal County
- Rating
- F2
- Path length
- 4.5 mi
- Path width
- 100 yd
- Property damage
- $3,000
- Coordinates
- 34.480, -96.220
Tornado, Atoka
- When
- May 13, 4:35 PM CST
- Where
- Atoka County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 50 yd
- Property damage
- $30
- Coordinates
- 34.470, -96.020
Hail, Atoka
- When
- May 13, 4:59 PM CST
- Where
- Atoka County
- Measured
- 1 in hail
- Coordinates
- 34.380, -96.130
Tornado, Pushmataha
- When
- May 13, 5:30 PM CST
- Where
- Pushmataha County
- Rating
- F1
- Path width
- 33 yd
- Property damage
- $30
- Coordinates
- 34.250, -95.720
Hail, Le Flore
- When
- May 13, 6:25 PM CST
- Where
- Le Flore County
- Measured
- 3 in hail
- Coordinates
- 34.880, -94.600
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 Oklahoma in 1981Every state in 1981This day in weather historyThe tornado archive for Oklahoma, 1981
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: 10105552, 10105553, 10105554, 10105555, 10105556, 10105557, 10105558, 10105559, 10105560, 10105561, 10105562, 10105563, 10105564.