Tornado and Hail in Oklahoma, July 17, 1987

Name: Tornado and Hail in Oklahoma, July 17, 1987
Start: 1987-07-17T14:15
End: 1987-07-17T22:07
Location: Oklahoma

July 17, 1987 · NWS OKC · 24 events in 11 counties and zones

13 hail, 10 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 24

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

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

Hail, Jackson

When: July 17, 2:15 PM CST
Where: Jackson County
Measured: 1.75 in hail
Coordinates: 34.570, -99.400

Hail, Kiowa

When: July 17, 3:00 PM CST
Where: Kiowa County
Measured: 1 in hail
Coordinates: 34.650, -98.950

Thunderstorm Wind, Comanche

When: July 17, 3:08 PM CST
Where: Comanche County
Measured: 61 kt (70 mph)
Coordinates: 34.620, -98.750

Thunderstorm Wind, Comanche

When: July 17, 3:27 PM CST
Where: Comanche County
Coordinates: 34.730, -98.620

Hail, Kiowa

When: July 17, 3:29 PM CST
Where: Kiowa County
Measured: 1 in hail
Coordinates: 34.650, -98.950

Tornado, Tillman

When: July 17, 3:30 PM CST
Where: Tillman County
Rating: F0
Path length: 0.1 mi
Path width: 20 yd
Coordinates: 34.600, -98.950

Thunderstorm Wind, Comanche

When: July 17, 3:48 PM CST
Where: Comanche County
Coordinates: 34.730, -98.650

Thunderstorm Wind, Grady

When: July 17, 4:15 PM CST
Where: Grady County
Coordinates: 34.970, -97.950

Thunderstorm Wind, Comanche

When: July 17, 4:18 PM CST
Where: Comanche County
Coordinates: 34.820, -98.230

Hail, Caddo

When: July 17, 4:30 PM CST
Where: Caddo County
Measured: 0.75 in hail
Coordinates: 34.920, -98.120

Hail, Grady

When: July 17, 4:30 PM CST
Where: Grady County
Measured: 1 in hail
Coordinates: 34.970, -98.050

Thunderstorm Wind, McClain

When: July 17, 5:15 PM CST
Where: McClain County
Coordinates: 35.030, -97.630

Thunderstorm Wind, Grady

When: July 17, 5:34 PM CST
Where: Grady County
Measured: 63 kt (72 mph)
Coordinates: 34.880, -97.700

Hail, Pottawatomie

When: July 17, 6:18 PM CST
Where: Pottawatomie County
Measured: 0.75 in hail
Coordinates: 35.330, -96.920

Thunderstorm Wind, Cleveland

When: July 17, 7:00 PM CST
Where: Cleveland County
Coordinates: 35.020, -97.330

Thunderstorm Wind, McClain

When: July 17, 7:00 PM CST
Where: McClain County
Measured: 61 kt (70 mph)
Coordinates: 35.020, -97.370

Hail, Canadian

When: July 17, 7:39 PM CST
Where: Canadian County
Measured: 1.5 in hail
Coordinates: 35.380, -97.930

Hail, Grady

When: July 17, 7:46 PM CST
Where: Grady County
Measured: 0.88 in hail
Coordinates: 35.200, -97.930

Hail, Grady

When: July 17, 8:01 PM CST
Where: Grady County
Measured: 0.88 in hail
Coordinates: 35.200, -97.930

Hail, Grady

When: July 17, 8:20 PM CST
Where: Grady County
Measured: 0.75 in hail
Coordinates: 35.320, -97.930

Hail, Canadian

When: July 17, 8:45 PM CST
Where: Canadian County
Measured: 1 in hail
Coordinates: 35.380, -97.780

Thunderstorm Wind, Canadian

When: July 17, 9:10 PM CST
Where: Canadian County
Measured: 56 kt (64 mph)
Coordinates: 35.500, -97.750

Hail, Oklahoma

When: July 17, 9:50 PM CST
Where: Oklahoma County
Measured: 0.75 in hail
Coordinates: 35.480, -97.530

Hail, Oklahoma

When: July 17, 10:07 PM CST
Where: Oklahoma County
Measured: 1.25 in hail
Coordinates: 35.480, -97.530

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

Every storm in Oklahoma in 1987 Every state in 1987 This day in weather history The tornado archive for Oklahoma, 1987 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: 10103611, 10103612, 10103826, 10103827, 10103828, 10103829, 10103830, 10103831, 10103832, 10103833, 10103834, 10103835, 10103836, 10103837, 10103838, 10103839, 10103840, 10103841, 10103842, 10103843, 10103844, 10103845, 10103846, 10103847.