On the map: every storm report logged this day.
On the map
Storm reports for July 18, 1971
On July 18, 1971, 2 hail, 12 damaging-wind and 6 tornado reports were logged across 8 states.
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On July 18, 1971, 2 hail, 12 damaging-wind and 6 tornado reports were logged across 8 states. The largest hail reported was 3.00″ (teacup size) in Adair County, MO. Tornadoes killed 1.
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 |
|---|---|---|---|---|
| KY | 0 | 4 | 1 | – |
| WI | 0 | 2 | 2 | – |
| IA | 0 | 3 | 0 | – |
| MO | 1 | 1 | 0 | 3.00″ |
| IL | 1 | 0 | 1 | 0.75″ |
| MN | 0 | 1 | 1 | – |
| TX | 0 | 0 | 1 | – |
| IN | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Milan, IL | 5,033 | 0.75″ |
Hail reports (2)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:00 | 3.00″ | Adair County, MO |
| 01:00 | 0.75″ | Rock Island County, IL |
Damage, injuries and deaths
National Weather Service offices recorded about $828,000 in property damage, 2 injuries and 1 death from hail, thunderstorm wind and tornadoes across the US on this storm day (21 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 |
|---|---|---|---|---|
| Eau Claire County, WI | 1 | 2 | 1 | $250,000 |
| Dunn County, WI | 1 | 0 | 0 | $250,000 |
| Monroe County, WI | 1 | 0 | 0 | $250,000 |
| McDonough County, IL | 1 | 0 | 0 | $25,000 |
| Henry County, KY | 1 | 0 | 0 | $25,000 |
| Comal County, TX | 1 | 0 | 0 | $25,000 |
| Mille Lacs County, MN | 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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