On the map: every storm report logged this day.
On the map
Storm reports for July 17, 1987
On July 17, 1987, 15 hail, 17 damaging-wind and 4 tornado reports were logged across 7 states.
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On July 17, 1987, 15 hail, 17 damaging-wind and 4 tornado reports were logged across 7 states. The largest hail reported was 1.75″ (golf ball size) in Jackson County, OK.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| OK | 13 | 11 | 1 | 1.75″ |
| NE | 0 | 3 | 1 | – |
| WY | 2 | 0 | 0 | 1.00″ |
| KS | 0 | 1 | 1 | – |
| CO | 0 | 0 | 1 | – |
| TX | 0 | 1 | 0 | – |
| MN | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Oklahoma City, OK | 712,919 | 1.25″ |
| Nichols Hills, OK | 3,851 | 1.25″ |
| Mustang, OK | 23,965 | 1.00″ |
| Tuttle, OK | 8,584 | 1.00″ |
| Shawnee, OK | 32,092 | 0.75″ |
| Tecumseh, OK | 6,370 | 0.75″ |
Hail reports (15)
| Time (UTC) | Size | Location |
|---|---|---|
| 20:15 | 1.75″ | Jackson County, OK |
| 01:39 | 1.50″ | Canadian County, OK |
| 04:07 | 1.25″ | Oklahoma County, OK |
| 21:00 | 1.00″ | Kiowa County, OK |
| 21:29 | 1.00″ | Kiowa County, OK |
| 22:30 | 1.00″ | Grady County, OK |
| 00:53 | 1.00″ | Crook County, WY |
| 02:45 | 1.00″ | Canadian County, OK |
| 01:46 | 0.88″ | Grady County, OK |
| 02:01 | 0.88″ | Grady County, OK |
| 22:30 | 0.75″ | Caddo County, OK |
| 00:18 | 0.75″ | Pottawatomie County, OK |
| 02:00 | 0.75″ | Campbell County, WY |
| 02:20 | 0.75″ | Grady County, OK |
| 03:50 | 0.75″ | Oklahoma County, OK |
Damage, injuries and deaths
National Weather Service offices recorded about $250,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (36 events in 7 states). Before 1996 the database holds only tornado, hail and wind events, and damage was often entered as a range, so treat these figures as rough. Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Dawson County, NE | 1 | 0 | 0 | $250,000 |
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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