On the map: every storm report logged this day.
On the map
Storm reports for July 17, 1981
On July 17, 1981, 21 hail, 12 damaging-wind and 2 tornado reports were logged across 13 states.
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On July 17, 1981, 21 hail, 12 damaging-wind and 2 tornado reports were logged across 13 states. The largest hail reported was 2.75″ (baseball size) in Nicollet County, MN.
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 |
|---|---|---|---|---|
| MI | 6 | 3 | 0 | 2.00″ |
| WI | 7 | 1 | 0 | 1.75″ |
| MN | 3 | 0 | 0 | 2.75″ |
| AL | 0 | 3 | 0 | – |
| IA | 1 | 1 | 0 | 1.75″ |
| NE | 1 | 1 | 0 | 1.75″ |
| FL | 0 | 2 | 0 | – |
| WY | 1 | 0 | 0 | 1.75″ |
| GA | 1 | 0 | 0 | 1.50″ |
| UT | 1 | 0 | 0 | 1.00″ |
| ID | 0 | 0 | 1 | – |
| KS | 0 | 0 | 1 | – |
| TX | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Chisago City, MN | 5,953 | 2.50″ |
| Lindstrom, MN | 5,026 | 2.50″ |
| Chippewa Falls, WI | 15,075 | 1.75″ |
| Chadron, NE | 5,094 | 1.75″ |
| Osage, IA | 3,559 | 1.75″ |
| Eau Claire, WI | 72,331 | 1.50″ |
| Altoona, WI | 9,302 | 1.50″ |
| Kewaunee, WI | 2,808 | 1.00″ |
Hail reports (21)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:00 | 2.75″ | Nicollet County, MN |
| 21:20 | 2.75″ | Sibley County, MN |
| 15:45 | 2.50″ | Chisago County, MN |
| 20:00 | 2.00″ | Menominee County, MI |
| 20:00 | 2.00″ | Delta County, MI |
| 18:00 | 1.75″ | Chippewa County, WI |
| 19:40 | 1.75″ | Jackson County, WI |
| 20:20 | 1.75″ | Mitchell County, IA |
| 23:30 | 1.75″ | Niobrara County, WY |
| 01:50 | 1.75″ | Dawes County, NE |
| 18:30 | 1.50″ | Eau Claire County, WI |
| 19:05 | 1.50″ | Dickinson County, MI |
| 01:34 | 1.50″ | Wilkinson County, GA |
| 16:55 | 1.25″ | Dunn County, WI |
| 16:25 | 1.00″ | Pepin County, WI |
| 18:30 | 1.00″ | Kewaunee County, WI |
| 19:40 | 1.00″ | Houghton County, MI |
| 20:30 | 1.00″ | Kalkaska County, MI |
| 01:45 | 1.00″ | Beaver County, UT |
| 19:00 | 0.75″ | Chippewa County, WI |
| 21:00 | 0.75″ | Baraga County, MI |
Damage, injuries and deaths
National Weather Service offices recorded about $5,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (35 events in 13 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 |
|---|---|---|---|---|
| Power County, ID | 1 | 0 | 0 | $3,000 |
| Seward County, KS | 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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