Oklahoma, 1990

Hail and Damaging Winds in Oklahoma, August 21, 1990

August 21, 1990 · NWS FSM · 6 events in 5 counties and zones

4 hail, 2 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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, 2 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Sequoyah

When
August 21, 3:58 PM CST
Where
Sequoyah County
Measured
52 kt (60 mph)
Coordinates
35.470, -94.800

Thunderstorm Wind, Grant

When
August 21, 4:40 PM CST
Where
Grant County
Measured
52 kt (60 mph)
Coordinates
36.830, -97.520

Hail, Kingfisher

When
August 21, 6:35 PM CST
Where
Kingfisher County
Measured
0.75 in hail
Coordinates
36.100, -97.700

Hail, Logan

When
August 21, 6:45 PM CST
Where
Logan County
Measured
1.5 in hail
Coordinates
36.150, -97.620

Hail, Garfield

When
August 21, 6:47 PM CST
Where
Garfield County
Measured
1.25 in hail
Coordinates
36.170, -97.650

Hail, Logan

When
August 21, 7:00 PM CST
Where
Logan County
Measured
0.75 in hail
Coordinates
36.150, -97.620

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Oklahoma in 1990Every state in 1990This day in weather historyWarnings in Oklahoma, August 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: 10104218, 10104219, 10104220, 10104221, 10104222, 10104223.