On the map: every storm report logged this day.
On the map
Storm reports for July 12, 1971
On July 12, 1971, 6 hail, 16 damaging-wind and 5 tornado reports were logged across 7 states.
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On July 12, 1971, 6 hail, 16 damaging-wind and 5 tornado reports were logged across 7 states. The largest hail reported was 3.50″ (teacup size) in Stearns 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 | 1 | 7 | 5 | 1.50″ |
| MN | 5 | 1 | 0 | 3.50″ |
| WI | 0 | 4 | 0 | – |
| IL | 0 | 1 | 0 | – |
| SC | 0 | 1 | 0 | – |
| AL | 0 | 1 | 0 | – |
| GA | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Albany, MN | 2,874 | 3.50″ |
| Byron, MN | 6,809 | 2.00″ |
| Fergus Falls, MN | 14,258 | 1.50″ |
Hail reports (6)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:00 | 3.50″ | Stearns County, MN |
| 18:52 | 3.00″ | Douglas County, MN |
| 16:25 | 2.00″ | Olmsted County, MN |
| 20:00 | 1.75″ | Grant County, MN |
| 17:00 | 1.50″ | Chickasaw County, IA |
| 18:20 | 1.50″ | Otter Tail County, MN |
Damage, injuries and deaths
National Weather Service offices recorded about $13 million in property damage and 10 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (30 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 |
|---|---|---|---|---|
| Fayette County, IA | 2 | 4 | 0 | $2.8 million |
| Howard County, IA | 1 | 4 | 0 | $2.5 million |
| Delaware County, IA | 1 | 2 | 0 | $2.5 million |
| Chickasaw County, IA | 1 | 0 | 0 | $2.5 million |
| Worth County, IA | 1 | 0 | 0 | $2.5 million |
| Bremer County, IA | 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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