On the map: every storm report logged this day.
On the map
Storm reports for April 21, 1963
On April 21, 1963, 3 hail, 7 damaging-wind and 3 tornado reports were logged across 6 states.
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On April 21, 1963, 3 hail, 7 damaging-wind and 3 tornado reports were logged across 6 states. The largest hail reported was 1.50″ (ping pong ball size) in St. Clair County, MO.
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 | 0 | 4 | 0 | – |
| MO | 2 | 0 | 1 | 1.50″ |
| KY | 0 | 1 | 1 | – |
| IL | 0 | 2 | 0 | – |
| NE | 1 | 0 | 0 | 0.75″ |
| PA | 0 | 0 | 1 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| East St. Louis, IL | 17,808 | 1.50″ |
| Cahokia Heights, IL | 17,052 | 1.50″ |
| Dupo, IL | 3,797 | 1.50″ |
| Bellevue, NE | 64,777 | 0.75″ |
| Council Bluffs, IA | 62,665 | 0.75″ |
Hail reports (3)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:45 | 1.50″ | St. Clair County, MO |
| 22:40 | 1.25″ | Franklin County, MO |
| 04:27 | 0.75″ | Pottawattamie County, NE |
Damage, injuries and deaths
National Weather Service offices recorded about $50,000 in property damage and 3 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (13 events in 6 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 |
|---|---|---|---|---|
| Woodford County, KY | 1 | 3 | 0 | $25,000 |
| Holt County, MO | 1 | 0 | 0 | $25,000 |
| Berks County, PA | 1 | 0 | 0 | $0 |
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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