On the map: every storm report logged this day.
On the map
Storm reports for May 11, 1986
On May 11, 1986, 18 hail, 7 damaging-wind and 6 tornado reports were logged across 8 states.
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On May 11, 1986, 18 hail, 7 damaging-wind and 6 tornado reports were logged across 8 states. The largest hail reported was 2.75″ (baseball size) in Sioux County, ND.
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 |
|---|---|---|---|---|
| ND | 10 | 4 | 5 | 2.75″ |
| MS | 4 | 0 | 0 | 1.00″ |
| MN | 2 | 0 | 0 | 1.75″ |
| MT | 1 | 0 | 1 | 1.00″ |
| SD | 1 | 0 | 0 | 2.75″ |
| WY | 0 | 1 | 0 | – |
| KY | 0 | 1 | 0 | – |
| AR | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Jackson, MS | 141,449 | 0.75″ |
| Byram, MS | 12,656 | 0.75″ |
Hail reports (18)
| Time (UTC) | Size | Location |
|---|---|---|
| 01:15 | 2.75″ | Sioux County, ND |
| 01:15 | 2.75″ | Corson County, SD |
| 00:55 | 2.00″ | Pembina County, ND |
| 01:15 | 1.75″ | Sioux County, ND |
| 07:15 | 1.75″ | Norman County, MN |
| 20:10 | 1.00″ | Rankin County, MS |
| 22:15 | 1.00″ | Carter County, MT |
| 23:10 | 1.00″ | Yazoo County, MS |
| 07:30 | 1.00″ | Norman County, MN |
| 22:30 | 0.75″ | Ramsey County, ND |
| 02:00 | 0.75″ | Sioux County, ND |
| 02:00 | 0.75″ | Pembina County, ND |
| 02:10 | 0.75″ | Hinds County, MS |
| 03:05 | 0.75″ | Hinds County, MS |
| 03:30 | 0.75″ | Griggs County, ND |
| 03:30 | 0.75″ | Griggs County, ND |
| 04:55 | 0.75″ | Grand Forks County, ND |
| 07:20 | 0.75″ | Cass County, ND |
Damage, injuries and deaths
National Weather Service offices recorded about $55,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (32 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 |
|---|---|---|---|---|
| Steele County, ND | 1 | 0 | 0 | $25,000 |
| Traill County, ND | 1 | 0 | 0 | $25,000 |
| Carter County, MT | 1 | 0 | 0 | $3,000 |
| Grand Forks County, ND | 1 | 0 | 0 | $3,000 |
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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