On the map: every storm report logged this day.
On the map
Storm reports for July 25, 1971
On July 25, 1971, 3 hail, 4 damaging-wind and 1 tornado reports were logged across 6 states.
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On July 25, 1971, 3 hail, 4 damaging-wind and 1 tornado reports were logged across 6 states. The largest hail reported was 1.75″ (golf ball size) in Clear Creek County, CO.
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 |
|---|---|---|---|---|
| CO | 3 | 0 | 0 | 1.75″ |
| WI | 0 | 0 | 1 | – |
| TX | 0 | 1 | 0 | – |
| KY | 0 | 1 | 0 | – |
| AL | 0 | 1 | 0 | – |
| AZ | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Johnstown, CO | 20,639 | 1.00″ |
| Berthoud, CO | 13,648 | 1.00″ |
| Milliken, CO | 9,102 | 1.00″ |
| Aurora, CO | 403,130 | 0.75″ |
Hail reports (3)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:15 | 1.75″ | Clear Creek County, CO |
| 22:30 | 1.00″ | Weld County, CO |
| 00:28 | 0.75″ | Arapahoe County, CO |
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 (8 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 |
|---|---|---|---|---|
| Lafayette County, WI | 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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