Hail and Damaging Winds in Oklahoma, July 12, 1987

Name: Hail and Damaging Winds in Oklahoma, July 12, 1987
Start: 1987-07-12T15:15
End: 1987-07-12T21:15
Location: Oklahoma

July 12, 1987 · NWS OKC · 22 events in 10 counties and zones

17 hail, 5 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: 0
Property damage: None recorded
Crop damage: None recorded
Events: 22

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

17 hail, 5 thunderstorm wind. Local standard time, as filed.

Hail, Alfalfa

When: July 12, 3:15 PM CST
Where: Alfalfa County
Measured: 0.88 in hail
Coordinates: 36.880, -98.150

Hail, Major

When: July 12, 3:30 PM CST
Where: Major County
Measured: 0.88 in hail
Coordinates: 36.380, -98.330

Hail, Grant

When: July 12, 3:30 PM CST
Where: Grant County
Measured: 0.88 in hail
Coordinates: 36.880, -98.100

Hail, Major

When: July 12, 3:50 PM CST
Where: Major County
Measured: 0.88 in hail
Coordinates: 36.200, -98.580

Hail, Alfalfa

When: July 12, 4:00 PM CST
Where: Alfalfa County
Measured: 0.75 in hail
Coordinates: 36.530, -98.150

Hail, Grant

When: July 12, 4:00 PM CST
Where: Grant County
Measured: 0.75 in hail
Coordinates: 36.850, -98.020

Hail, Blaine

When: July 12, 4:00 PM CST
Where: Blaine County
Measured: 0.75 in hail
Coordinates: 36.070, -98.650

Hail, Custer

When: July 12, 4:05 PM CST
Where: Custer County
Measured: 0.75 in hail
Coordinates: 35.780, -99.120

Thunderstorm Wind, Grant

When: July 12, 4:20 PM CST
Where: Grant County
Measured: 61 kt (70 mph)
Coordinates: 36.850, -97.970

Hail, Blaine

When: July 12, 4:30 PM CST
Where: Blaine County
Measured: 1.75 in hail
Coordinates: 36.100, -98.580

Hail, Custer

When: July 12, 4:45 PM CST
Where: Custer County
Measured: 0.75 in hail
Coordinates: 35.780, -98.970

Hail, Major

When: July 12, 5:00 PM CST
Where: Major County
Measured: 0.88 in hail
Coordinates: 36.170, -98.580

Hail, Dewey

When: July 12, 5:00 PM CST
Where: Dewey County
Measured: 0.88 in hail
Coordinates: 36.000, -98.970

Thunderstorm Wind, Blaine

When: July 12, 5:00 PM CST
Where: Blaine County
Measured: 61 kt (70 mph)
Coordinates: 36.120, -98.580

Hail, Roger Mills

When: July 12, 5:10 PM CST
Where: Roger Mills County
Measured: 1.75 in hail
Coordinates: 35.450, -99.600

Hail, Beckham

When: July 12, 5:17 PM CST
Where: Beckham County
Measured: 0.88 in hail
Coordinates: 35.300, -99.870

Hail, Dewey

When: July 12, 5:25 PM CST
Where: Dewey County
Measured: 0.88 in hail
Coordinates: 36.020, -98.970

Hail, Custer

When: July 12, 6:00 PM CST
Where: Custer County
Measured: 0.75 in hail
Coordinates: 35.570, -98.950

Hail, Custer

When: July 12, 6:30 PM CST
Where: Custer County
Measured: 0.75 in hail
Coordinates: 35.750, -98.750

Thunderstorm Wind, Washington

When: July 12, 6:30 PM CST
Where: Washington County
Measured: 52 kt (60 mph)
Coordinates: 36.750, -96.000

Thunderstorm Wind, Washington

When: July 12, 6:45 PM CST
Where: Washington County
Coordinates: 36.600, -95.850

Thunderstorm Wind, Grady

When: July 12, 9:15 PM CST
Where: Grady County
Measured: 61 kt (70 mph)
Coordinates: 35.200, -97.930

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.

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

The same day elsewhere

Every storm in Oklahoma in 1987 Every state in 1987 This day in weather history Warnings in Oklahoma, July 1987

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: 10102728, 10102729, 10102730, 10102731, 10102732, 10102733, 10102734, 10102735, 10102736, 10102737, 10102738, 10102739, 10102740, 10102741, 10102742, 10102743, 10103603, 10103604, 10103605, 10103606, 10103607, 10103608.