Oklahoma, 1981

Tornadoes and Hail in Oklahoma, April 30, 1981

April 30, 1981 · NWS T · 10 events in 4 counties and zones

4 hail, 3 thunderstorm wind, 3 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

Open the live radar over this ground

The toll

Deaths
1
Injuries
4
Property damage
$750,000
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

4 hail, 3 thunderstorm wind, 3 tornado. Local standard time, as filed.

Hail, Carter

When
April 30, 12:56 AM CST
Where
Carter County
Measured
1 in hail
Coordinates
34.180, -97.130

Thunderstorm Wind, Beckham

When
April 30, 7:30 PM CST
Where
Beckham County
Measured
71 kt (82 mph)
Coordinates
35.230, -99.980

Tornado, Caddo

When
April 30, 8:00 PM CST
Where
Caddo County
Rating
F1
Path length
17.9 mi
Path width
7 yd
Property damage
$250,000
Coordinates
35.170, -98.250

Hail, Grady

When
April 30, 8:14 PM CST
Where
Grady County
Measured
1.75 in hail
Coordinates
35.200, -97.930

Tornado, Grady

When
April 30, 8:15 PM CST
Where
Grady County
Rating
F2
Path length
29.1 mi
Path width
7 yd
Deaths
1 direct, 0 indirect
Injuries
4 direct, 0 indirect
Property damage
$250,000
Coordinates
35.300, -97.970

Tornado, Grady

When
April 30, 8:25 PM CST
Where
Grady County
Rating
F1
Path length
14 mi
Path width
33 yd
Property damage
$250,000
Coordinates
34.920, -98.170

Thunderstorm Wind, Caddo

When
April 30, 8:30 PM CST
Where
Caddo County
Coordinates
35.370, -98.350

Thunderstorm Wind, Grady

When
April 30, 8:51 PM CST
Where
Grady County
Measured
61 kt (70 mph)
Coordinates
35.050, -97.950

Hail, Grady

When
April 30, 9:00 PM CST
Where
Grady County
Measured
2.75 in hail
Coordinates
35.050, -97.950

Hail, Carter

When
April 30, 11:15 PM CST
Where
Carter County
Measured
1.75 in hail
Coordinates
34.230, -97.480

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tornado, Grady1981-04-30Direct

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: 10105313, 10105314, 10105315, 10105316, 10105532, 10105533, 10105534, 10105535, 10105536, 10105537.