On the map: every storm report logged this day.
On the map
Storm reports for July 28, 1986
On July 28, 1986, 28 hail, 110 damaging-wind and 13 tornado reports were logged across 13 states.
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On July 28, 1986, 28 hail, 110 damaging-wind and 13 tornado reports were logged across 13 states. The largest hail reported was 6.00″ (softball size) in Nobles County, MN.
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 |
|---|---|---|---|---|
| IA | 8 | 59 | 4 | 2.75″ |
| MO | 0 | 18 | 0 | – |
| SD | 7 | 1 | 6 | 4.50″ |
| AL | 1 | 9 | 1 | 0.75″ |
| IL | 0 | 10 | 0 | – |
| MN | 4 | 3 | 0 | 6.00″ |
| NE | 3 | 1 | 2 | 1.75″ |
| KS | 5 | 1 | 0 | 1.50″ |
| PA | 0 | 4 | 0 | – |
| ID | 0 | 1 | 0 | – |
| OH | 0 | 1 | 0 | – |
| WV | 0 | 1 | 0 | – |
| TN | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Sioux City, IA | 86,875 | 1.75″ |
| South Sioux City, NE | 13,910 | 1.75″ |
| Vermillion, SD | 11,877 | 1.75″ |
| North Sioux City, SD | 3,059 | 1.75″ |
| Sergeant Bluff, IA | 5,335 | 1.50″ |
Hail reports (28)
| Time (UTC) | Size | Location |
|---|---|---|
| 22:00 | 6.00″ | Nobles County, MN |
| 21:30 | 4.50″ | Brookings County, SD |
| 22:00 | 4.50″ | Murray County, MN |
| 22:00 | 4.50″ | Lincoln County, MN |
| 22:00 | 4.50″ | Pipestone County, MN |
| 21:30 | 4.00″ | Buffalo County, SD |
| 21:25 | 2.75″ | Hughes County, SD |
| 23:20 | 2.75″ | Union County, SD |
| 01:03 | 2.75″ | Buena Vista County, IA |
| 22:50 | 1.75″ | Aurora County, SD |
| 22:50 | 1.75″ | Clay County, SD |
| 23:50 | 1.75″ | Dixon County, NE |
| 01:50 | 1.75″ | Woodbury County, IA |
| 01:52 | 1.75″ | Union County, SD |
| 01:55 | 1.75″ | Dakota County, NE |
| 04:36 | 1.75″ | Adair County, IA |
| 00:30 | 1.50″ | Dakota County, NE |
| 00:30 | 1.50″ | Sherman County, KS |
| 00:45 | 1.50″ | Sherman County, KS |
| 00:55 | 1.50″ | Thomas County, KS |
| 01:29 | 1.50″ | Woodbury County, IA |
| 01:50 | 1.50″ | Thomas County, KS |
| 01:15 | 1.00″ | Pocahontas County, IA |
| 01:15 | 1.00″ | Pocahontas County, IA |
| 01:57 | 1.00″ | Logan County, KS |
| 00:02 | 0.75″ | Woodbury County, IA |
| 00:10 | 0.75″ | Madison County, AL |
| 02:10 | 0.75″ | Woodbury County, IA |
Damage, injuries and deaths
National Weather Service offices recorded about $551 million in property damage and 3 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (154 events in 13 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 |
|---|---|---|---|---|
| Woodbury County, IA | 1 | 1 | 0 | $250 million |
| Dakota County, NE | 1 | 1 | 0 | $25 million |
| Thomas County, KS | 1 | 1 | 0 | – |
| Monona County, IA | 1 | 0 | 0 | $250 million |
| Dixon County, NE | 1 | 0 | 0 | $25 million |
| Douglas County, SD | 2 | 0 | 0 | $275,000 |
| Calhoun County, IA | 1 | 0 | 0 | $250,000 |
| Clay County, IA | 1 | 0 | 0 | $250,000 |
| Brule County, SD | 1 | 0 | 0 | $250,000 |
| O'Brien County, IA | 1 | 0 | 0 | $25,000 |
| Aurora County, SD | 1 | 0 | 0 | $25,000 |
| Madison County, AL | 1 | 0 | 0 | $0 |
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.
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