Oklahoma, 1991

Tornadoes and Hail in Oklahoma, May 15, 1991

May 15, 1991 · NWS OKC · 16 events in 8 counties and zones

10 hail, 5 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
3
Property damage
$250,000
Crop damage
None recorded
Events
16

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

10 hail, 5 tornado, 1 thunderstorm wind. Local standard time, as filed.

Hail, Grady

When
May 15, 7:10 PM CST
Where
Grady County
Measured
0.75 in hail
Coordinates
34.950, -97.920

Hail, Roger Mills

When
May 15, 7:10 PM CST
Where
Roger Mills County
Measured
0.75 in hail
Coordinates
35.650, -99.920

Hail, Harper

When
May 15, 7:10 PM CST
Where
Harper County
Measured
0.75 in hail
Coordinates
36.720, -99.900

Hail, Roger Mills

When
May 15, 7:29 PM CST
Where
Roger Mills County
Measured
1.75 in hail
Coordinates
35.650, -99.920

Tornado, Harper

When
May 15, 7:35 PM CST
Where
Harper County
Rating
F3
Path length
11.5 mi
Path width
900 yd
Injuries
3 direct, 0 indirect
Property damage
$250,000
Coordinates
36.650, -99.980

Hail, Harper

When
May 15, 8:10 PM CST
Where
Harper County
Measured
2.75 in hail
Coordinates
36.720, -99.820

Tornado, Beckham

When
May 15, 8:30 PM CST
Where
Beckham County
Rating
F0
Path length
0.3 mi
Path width
50 yd
Coordinates
35.280, -99.630

Hail, Roger Mills

When
May 15, 9:25 PM CST
Where
Roger Mills County
Measured
1 in hail
Coordinates
35.780, -99.620

Hail, Ellis

When
May 15, 9:30 PM CST
Where
Ellis County
Measured
0.75 in hail
Coordinates
35.880, -99.630

Hail, Ellis

When
May 15, 10:00 PM CST
Where
Ellis County
Measured
0.75 in hail
Coordinates
36.030, -99.630

Hail, Dewey

When
May 15, 10:06 PM CST
Where
Dewey County
Measured
0.75 in hail
Coordinates
36.020, -99.280

Tornado, Dewey

When
May 15, 10:23 PM CST
Where
Dewey County
Rating
F0
Path length
0.3 mi
Path width
30 yd
Coordinates
36.080, -99.100

Tornado, Beckham

When
May 15, 10:30 PM CST
Where
Beckham County
Rating
F0
Path length
0.5 mi
Path width
50 yd
Coordinates
35.280, -99.630

Thunderstorm Wind, Woods

When
May 15, 11:01 PM CST
Where
Woods County
Coordinates
36.520, -98.650

Tornado, Major

When
May 15, 11:16 PM CST
Where
Major County
Rating
F0
Path length
0.3 mi
Path width
30 yd
Coordinates
36.220, -98.720

Hail, Major

When
May 15, 11:30 PM CST
Where
Major County
Measured
0.88 in hail
Coordinates
36.270, -98.480

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

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: 10104627, 10104628, 10104629, 10104630, 10104631, 10104632, 10104633, 10104634, 10104635, 10104636, 10104637, 10104638, 10104639, 10104640, 10104641, 10104642.