On the map: every storm report logged this day.
On the map
Storm reports for August 16, 1973
On August 16, 1973, 4 hail, 6 damaging-wind and 1 tornado reports were logged across 5 states.
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On August 16, 1973, 4 hail, 6 damaging-wind and 1 tornado reports were logged across 5 states. The largest hail reported was 1.75″ (golf ball size) in Calumet County, WI.
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 | 2 | 3 | 0 | 0.75″ |
| WI | 2 | 1 | 0 | 1.75″ |
| CA | 0 | 0 | 1 | – |
| NE | 0 | 1 | 0 | – |
| AZ | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Chilton, WI | 4,183 | 1.75″ |
| Ellsworth, WI | 3,341 | 0.75″ |
Hail reports (4)
| Time (UTC) | Size | Location |
|---|---|---|
| 08:00 | 1.75″ | Calumet County, WI |
| 21:30 | 0.75″ | Pierce County, WI |
| 22:00 | 0.75″ | Dickinson County, IA |
| 22:25 | 0.75″ | Buena Vista County, IA |
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 (11 events in 5 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 |
|---|---|---|---|---|
| Riverside County, CA | 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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