Hail, Bryan
- When
- May 4, 2:20 PM CST
- Where
- Bryan County
- Measured
- 1 in hail
- Coordinates
- 34.130, -96.270
Tornado and Hail in Oklahoma, May 4, 1991
30 hail, 9 thunderstorm wind, 1 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
- 40
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
30 hail, 9 thunderstorm wind, 1 tornado. Local standard time, as filed.
Hail, Stephens
- When
- May 4, 2:40 PM CST
- Where
- Stephens County
- Measured
- 1 in hail
- Coordinates
- 34.370, -97.970
Hail, Stephens
- When
- May 4, 3:30 PM CST
- Where
- Stephens County
- Measured
- 1.75 in hail
- Coordinates
- 34.530, -97.800
Hail, Jefferson
- When
- May 4, 3:45 PM CST
- Where
- Jefferson County
- Measured
- 0.88 in hail
- Coordinates
- 34.130, -98.050
Tornado, Garvin
- When
- May 4, 3:58 PM CST
- Where
- Garvin County
- Rating
- F0
- Path length
- 0.3 mi
- Path width
- 20 yd
- Coordinates
- 34.580, -97.400
Thunderstorm Wind, Okfuskee
- When
- May 4, 4:15 PM CST
- Where
- Okfuskee County
- Coordinates
- 35.620, -96.300
Hail, Garvin
- When
- May 4, 4:20 PM CST
- Where
- Garvin County
- Measured
- 0.88 in hail
- Coordinates
- 34.650, -97.380
Hail, Garfield
- When
- May 4, 4:20 PM CST
- Where
- Garfield County
- Measured
- 1 in hail
- Coordinates
- 36.330, -97.720
Hail, Kay
- When
- May 4, 4:25 PM CST
- Where
- Kay County
- Measured
- 1 in hail
- Coordinates
- 36.930, -97.430
Hail, Grant
- When
- May 4, 4:30 PM CST
- Where
- Grant County
- Measured
- 0.75 in hail
- Coordinates
- 36.830, -97.550
Hail, Creek
- When
- May 4, 4:30 PM CST
- Where
- Creek County
- Measured
- 0.75 in hail
- Coordinates
- 35.900, -96.070
Hail, Okmulgee
- When
- May 4, 4:35 PM CST
- Where
- Okmulgee County
- Measured
- 0.88 in hail
- Coordinates
- 35.830, -96.070
Hail, Osage
- When
- May 4, 4:44 PM CST
- Where
- Osage County
- Measured
- 0.75 in hail
- Coordinates
- 36.170, -96.000
Hail, Tulsa
- When
- May 4, 4:53 PM CST
- Where
- Tulsa County
- Measured
- 0.75 in hail
- Coordinates
- 36.150, -95.950
Thunderstorm Wind, Tulsa
- When
- May 4, 5:05 PM CST
- Where
- Tulsa County
- Measured
- 52 kt (60 mph)
- Coordinates
- 36.050, -95.830
Hail, Oklahoma
- When
- May 4, 5:10 PM CST
- Where
- Oklahoma County
- Measured
- 0.88 in hail
- Coordinates
- 35.480, -97.530
Thunderstorm Wind, Washington
- When
- May 4, 5:15 PM CST
- Where
- Washington County
- Measured
- 52 kt (60 mph)
- Coordinates
- 36.450, -95.850
Hail, Cleveland
- When
- May 4, 5:20 PM CST
- Where
- Cleveland County
- Measured
- 1.75 in hail
- Coordinates
- 35.330, -97.500
Thunderstorm Wind, Nowata
- When
- May 4, 5:20 PM CST
- Where
- Nowata County
- Measured
- 56 kt (64 mph)
- Coordinates
- 36.920, -95.800
Hail, Oklahoma
- When
- May 4, 5:25 PM CST
- Where
- Oklahoma County
- Measured
- 1.25 in hail
- Coordinates
- 35.550, -97.270
Thunderstorm Wind, Kingfisher
- When
- May 4, 5:30 PM CST
- Where
- Kingfisher County
- Measured
- 52 kt (60 mph)
- Coordinates
- 35.850, -97.930
Thunderstorm Wind, Rogers
- When
- May 4, 5:43 PM CST
- Where
- Rogers County
- Measured
- 74 kt (85 mph)
- Coordinates
- 36.530, -95.420
Hail, Mayes
- When
- May 4, 5:56 PM CST
- Where
- Mayes County
- Measured
- 0.75 in hail
- Coordinates
- 36.300, -95.150
Thunderstorm Wind, Oklahoma
- When
- May 4, 5:59 PM CST
- Where
- Oklahoma County
- Coordinates
- 35.480, -97.530
Hail, Garfield
- When
- May 4, 6:00 PM CST
- Where
- Garfield County
- Measured
- 1 in hail
- Coordinates
- 36.400, -97.630
Hail, Kingfisher
- When
- May 4, 6:00 PM CST
- Where
- Kingfisher County
- Measured
- 0.75 in hail
- Coordinates
- 36.100, -97.900
Thunderstorm Wind, Rogers
- When
- May 4, 6:00 PM CST
- Where
- Rogers County
- Measured
- 56 kt (64 mph)
- Coordinates
- 36.530, -95.420
Thunderstorm Wind, Craig
- When
- May 4, 6:00 PM CST
- Where
- Craig County
- Measured
- 52 kt (60 mph)
- Coordinates
- 36.550, -95.220
Hail, Choctaw
- When
- May 4, 6:10 PM CST
- Where
- Choctaw County
- Measured
- 1.25 in hail
- Coordinates
- 34.120, -95.520
Hail, Osage
- When
- May 4, 6:20 PM CST
- Where
- Osage County
- Measured
- 0.75 in hail
- Coordinates
- 36.620, -96.170
Hail, Mayes
- When
- May 4, 6:23 PM CST
- Where
- Mayes County
- Measured
- 0.75 in hail
- Coordinates
- 36.380, -95.050
Hail, Payne
- When
- May 4, 6:25 PM CST
- Where
- Payne County
- Measured
- 0.75 in hail
- Coordinates
- 36.200, -96.880
Hail, Tillman
- When
- May 4, 6:26 PM CST
- Where
- Tillman County
- Measured
- 0.75 in hail
- Coordinates
- 34.380, -99.020
Hail, Washington
- When
- May 4, 6:30 PM CST
- Where
- Washington County
- Measured
- 0.75 in hail
- Coordinates
- 36.600, -95.980
Hail, Delaware
- When
- May 4, 6:40 PM CST
- Where
- Delaware County
- Measured
- 1.75 in hail
- Coordinates
- 36.480, -94.880
Hail, Delaware
- When
- May 4, 7:10 PM CST
- Where
- Delaware County
- Measured
- 0.75 in hail
- Coordinates
- 36.580, -94.670
Hail, Delaware
- When
- May 4, 7:15 PM CST
- Where
- Delaware County
- Measured
- 1.75 in hail
- Coordinates
- 36.420, -94.630
Hail, Osage
- When
- May 4, 7:40 PM CST
- Where
- Osage County
- Measured
- 0.75 in hail
- Coordinates
- 36.620, -96.170
Hail, Delaware
- When
- May 4, 8:45 PM CST
- Where
- Delaware County
- Measured
- 1.75 in hail
- Coordinates
- 36.480, -94.800
Hail, Mayes
- When
- May 4, 8:45 PM CST
- Where
- Mayes County
- Measured
- 0.75 in hail
- Coordinates
- 36.150, -95.320
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
- Tornadoes and Hail in Texas, May 4, 1991
- Tornado and Hail in Louisiana, May 4, 1991
- Hail and Damaging Winds in Kansas, May 4, 1991
- Hail and Damaging Winds in Missouri, May 4, 1991
- Hail and Damaging Winds in Arkansas, May 4, 1991
- Hail and Damaging Winds in Georgia, May 4, 1991
- Hail in Illinois, May 4, 1991
- Damaging Winds in Mississippi, May 4, 1991
- Hail in Nebraska, May 4, 1991
More
Every storm in Oklahoma in 1991Every state in 1991This day in weather historyThe tornado archive for Oklahoma, 1991Warnings in Oklahoma, May 1991
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: 10103503, 10103504, 10103505, 10103506, 10103507, 10103508, 10103509, 10103510, 10103511, 10103512, 10103513, 10103514, 10103515, 10103516, 10103517, 10103518, 10103519, 10103520, 10103521, 10103522, 10103523, 10103524, 10103525, 10103526, 10103527, 10103528, 10103529, 10104385, 10104386, 10104387, 10104388, 10104389, 10104390, 10104391, 10104392, 10104393, 10104394, 10104395, 10104396, 10104607.