On the map: every storm report logged this day.
On the map
Storm reports for July 22, 1987
On July 22, 1987, 9 hail, 14 damaging-wind and 2 tornado reports were logged across 8 states.
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On July 22, 1987, 9 hail, 14 damaging-wind and 2 tornado reports were logged across 8 states. The largest hail reported was 2.50″ (tennis ball size) in Corson County, SD.
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 |
|---|---|---|---|---|
| MN | 0 | 9 | 0 | – |
| SD | 7 | 1 | 0 | 2.50″ |
| MT | 2 | 0 | 0 | 1.00″ |
| TX | 0 | 1 | 1 | – |
| NM | 0 | 0 | 1 | – |
| VA | 0 | 1 | 0 | – |
| TN | 0 | 1 | 0 | – |
| ND | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Rapid City, SD | 79,894 | 1.75″ |
| Glasgow, MT | 3,169 | 0.75″ |
Hail reports (9)
| Time (UTC) | Size | Location |
|---|---|---|
| 02:10 | 2.50″ | Corson County, SD |
| 02:35 | 2.50″ | Dewey County, SD |
| 22:43 | 1.75″ | Pennington County, SD |
| 23:15 | 1.00″ | Powder River County, MT |
| 21:45 | 0.75″ | Pennington County, SD |
| 21:55 | 0.75″ | Valley County, MT |
| 01:55 | 0.75″ | Ziebach County, SD |
| 02:25 | 0.75″ | Dewey County, SD |
| 03:25 | 0.75″ | Potter County, SD |
Damage, injuries and deaths
National Weather Service offices recorded about $250,000 in property damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (25 events in 8 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 |
|---|---|---|---|---|
| Rutherford County, TN | 1 | 1 | 0 | – |
| Doña Ana County, NM | 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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