On the map: every storm report logged this day.
On the map
Storm reports for July 20, 1981
On July 20, 1981, 14 hail, 109 damaging-wind and 10 tornado reports were logged across 17 states.
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On July 20, 1981, 14 hail, 109 damaging-wind and 10 tornado reports were logged across 17 states. The largest hail reported was 1.75″ (golf ball size) in Jackson County, WI.
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 |
|---|---|---|---|---|
| IL | 2 | 27 | 0 | 1.75″ |
| KY | 0 | 25 | 0 | – |
| MO | 1 | 18 | 2 | 1.00″ |
| IN | 1 | 15 | 0 | 0.75″ |
| WI | 6 | 2 | 3 | 1.75″ |
| PA | 0 | 7 | 2 | – |
| OK | 1 | 2 | 1 | 1.75″ |
| AR | 2 | 2 | 0 | 1.00″ |
| MD | 0 | 4 | 0 | – |
| ND | 1 | 1 | 0 | 0.75″ |
| TN | 0 | 2 | 0 | – |
| NJ | 0 | 0 | 1 | – |
| MN | 0 | 0 | 1 | – |
| IA | 0 | 1 | 0 | – |
| VA | 0 | 1 | 0 | – |
| MS | 0 | 1 | 0 | – |
| MA | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Tulsa, OK | 415,154 | 1.75″ |
| Menomonie, WI | 16,709 | 1.50″ |
| Minot, ND | 47,440 | 0.75″ |
| Jacksonville, AR | 29,129 | 0.75″ |
| Greencastle, IN | 9,907 | 0.75″ |
Hail reports (14)
| Time (UTC) | Size | Location |
|---|---|---|
| 19:45 | 1.75″ | Jackson County, WI |
| 21:20 | 1.75″ | Washington County, IL |
| 00:55 | 1.75″ | Tulsa County, OK |
| 16:45 | 1.50″ | Dunn County, WI |
| 17:15 | 1.50″ | Eau Claire County, WI |
| 17:15 | 1.50″ | Chippewa County, WI |
| 18:15 | 1.00″ | Eau Claire County, WI |
| 18:30 | 1.00″ | Chippewa County, WI |
| 21:10 | 1.00″ | Crawford County, MO |
| 02:30 | 1.00″ | Greene County, AR |
| 23:08 | 0.75″ | Putnam County, IN |
| 23:10 | 0.75″ | Edwards County, IL |
| 08:10 | 0.75″ | Ward County, ND |
| 11:10 | 0.75″ | Pulaski County, AR |
Damage, injuries and deaths
National Weather Service offices recorded about $603,000 in property damage and 5 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (133 events in 17 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 |
|---|---|---|---|---|
| Tulsa County, OK | 1 | 5 | 0 | $250,000 |
| Butler County, PA | 1 | 0 | 0 | $250,000 |
| Montgomery County, MO | 1 | 0 | 0 | $25,000 |
| Northampton County, PA | 1 | 0 | 0 | $25,000 |
| Fond du Lac County, WI | 1 | 0 | 0 | $25,000 |
| Milwaukee County, WI | 1 | 0 | 0 | $25,000 |
| Jefferson County, MO | 1 | 0 | 0 | $3,000 |
| Hubbard County, MN | 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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