On the map: every storm report logged this day.
On the map
Storm reports for June 21, 1956
On June 21, 1956, 5 hail, 10 damaging-wind and 4 tornado reports were logged across 8 states.
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On June 21, 1956, 5 hail, 10 damaging-wind and 4 tornado reports were logged across 8 states. The largest hail reported was 2.75″ (baseball size) in Spink 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 |
|---|---|---|---|---|
| SD | 2 | 2 | 2 | 2.75″ |
| MN | 1 | 5 | 0 | 1.75″ |
| NE | 1 | 0 | 1 | 0.75″ |
| PA | 1 | 0 | 0 | 1.50″ |
| WY | 0 | 0 | 1 | – |
| WI | 0 | 1 | 0 | – |
| IL | 0 | 1 | 0 | – |
| OH | 0 | 1 | 0 | – |
Hail reports (5)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:30 | 2.75″ | Spink County, SD |
| 03:00 | 1.75″ | Cottonwood County, MN |
| 21:00 | 1.50″ | Mercer County, PA |
| 02:50 | 1.50″ | Roberts County, SD |
| 08:30 | 0.75″ | Gosper County, NE |
Damage, injuries and deaths
National Weather Service offices recorded about $25,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (19 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 |
|---|---|---|---|---|
| Campbell County, WY | 1 | 0 | 0 | $25,000 |
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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