On the map: every storm report logged this day.
On the map
Storm reports for September 3, 1963
On September 3, 1963, 1 hail, 4 damaging-wind and 4 tornado reports were logged across 6 states.
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On September 3, 1963, 1 hail, 4 damaging-wind and 4 tornado reports were logged across 6 states. The largest hail reported was 3.00″ (teacup size) in Lyman County, SD.
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 | 0 | 2 | 2 | – |
| SD | 1 | 0 | 0 | 3.00″ |
| PA | 0 | 0 | 1 | – |
| NY | 0 | 0 | 1 | – |
| AR | 0 | 1 | 0 | – |
| MO | 0 | 1 | 0 | – |
Hail reports (1)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:30 | 3.00″ | Lyman County, SD |
Damage, injuries and deaths
National Weather Service offices recorded about $2.8 million in property damage and 20 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (9 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 |
|---|---|---|---|---|
| Elk County, PA | 1 | 20 | 0 | $2.5 million |
| Thomas County, KS | 1 | 0 | 0 | $250,000 |
| Niagara County, NY | 1 | 0 | 0 | $3,000 |
| Jefferson County, KS | 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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