On the map: every storm report logged this day.
On the map
Storm reports for May 21, 1973
On May 21, 1973, 18 hail, 16 damaging-wind and 2 tornado reports were logged across 7 states.
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On May 21, 1973, 18 hail, 16 damaging-wind and 2 tornado reports were logged across 7 states. The largest hail reported was 2.75″ (baseball size) in Shawnee County, KS.
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 |
|---|---|---|---|---|
| KS | 5 | 5 | 1 | 2.75″ |
| CO | 5 | 5 | 0 | 1.75″ |
| IA | 3 | 2 | 0 | 2.00″ |
| MO | 3 | 1 | 1 | 1.75″ |
| NE | 1 | 1 | 0 | 1.75″ |
| OK | 1 | 1 | 0 | 1.75″ |
| NM | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Topeka, KS | 125,467 | 2.75″ |
| Humboldt, IA | 4,774 | 2.00″ |
| Fort Scott, KS | 7,563 | 1.75″ |
| Algona, IA | 5,341 | 1.75″ |
| Concordia, KS | 4,926 | 1.25″ |
| Clinton, MO | 9,449 | 1.00″ |
Hail reports (18)
| Time (UTC) | Size | Location |
|---|---|---|
| 01:45 | 2.75″ | Shawnee County, KS |
| 01:45 | 2.00″ | Humboldt County, IA |
| 16:40 | 1.75″ | Henry County, MO |
| 21:25 | 1.75″ | Cass County, MO |
| 21:30 | 1.75″ | Lincoln County, CO |
| 23:35 | 1.75″ | Dodge County, NE |
| 00:15 | 1.75″ | Canadian County, OK |
| 00:30 | 1.75″ | Kiowa County, CO |
| 01:35 | 1.75″ | Shawnee County, KS |
| 02:00 | 1.75″ | Kossuth County, IA |
| 02:30 | 1.75″ | Ellsworth County, KS |
| 06:15 | 1.75″ | Bourbon County, KS |
| 23:35 | 1.25″ | Cloud County, KS |
| 21:00 | 1.00″ | Henry County, MO |
| 22:30 | 1.00″ | Kit Carson County, CO |
| 23:30 | 0.75″ | Yuma County, CO |
| 01:00 | 0.75″ | Bent County, CO |
| 04:23 | 0.75″ | Wapello County, IA |
Damage, injuries and deaths
National Weather Service offices recorded about $3,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (36 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 |
|---|---|---|---|---|
| Cooper County, MO | 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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