On the map: every storm report logged this day.
On the map
Storm reports for September 16, 1978
On September 16, 1978, 7 hail, 17 damaging-wind and 3 tornado reports were logged across 5 states.
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← Sep 15, 1978 All 1978 storm days · September 1978 Sep 17, 1978 →
Other storms on September 16 →
On September 16, 1978, 7 hail, 17 damaging-wind and 3 tornado reports were logged across 5 states. The largest hail reported was 3.00″ (teacup size) in Black Hawk County, IA. Tornadoes killed 6.
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 | 3 | 3 | 3 | 3.00″ |
| IL | 0 | 8 | 0 | – |
| MO | 4 | 2 | 0 | 2.75″ |
| KS | 0 | 2 | 0 | – |
| MN | 0 | 2 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Waterloo, IA | 67,477 | 3.00″ |
| Cedar Falls, IA | 41,417 | 3.00″ |
| St. Joseph, MO | 71,098 | 2.75″ |
| Excelsior Springs, MO | 10,727 | 2.00″ |
| Hudson, IA | 2,916 | 1.75″ |
Hail reports (7)
| Time (UTC) | Size | Location |
|---|---|---|
| 01:55 | 3.00″ | Black Hawk County, IA |
| 00:00 | 2.75″ | Buchanan County, MO |
| 00:40 | 2.00″ | Clay County, MO |
| 22:00 | 1.75″ | Buchanan County, MO |
| 01:45 | 1.75″ | Black Hawk County, IA |
| 01:45 | 1.75″ | Black Hawk County, IA |
| 23:30 | 1.25″ | Buchanan County, MO |
Damage, injuries and deaths
National Weather Service offices recorded about $3.3 million in property damage, 46 injuries and 6 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (29 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 |
|---|---|---|---|---|
| Poweshiek County, IA | 1 | 43 | 4 | $2.5 million |
| Jasper County, IA | 1 | 2 | 2 | $250,000 |
| Mahaska County, IA | 2 | 1 | 0 | $500,000 |
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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