On the map: every storm report logged this day.
On the map
Storm reports for May 8, 1964
On May 8, 1964, 4 hail, 10 damaging-wind and 16 tornado reports were logged across 7 states.
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On May 8, 1964, 4 hail, 10 damaging-wind and 16 tornado reports were logged across 7 states. The largest hail reported was 1.50″ (ping pong ball size) in Calumet County, WI. Tornadoes killed 11.
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 |
|---|---|---|---|---|
| WI | 4 | 1 | 5 | 1.50″ |
| MI | 0 | 2 | 5 | – |
| IA | 0 | 2 | 2 | – |
| IL | 0 | 4 | 0 | – |
| SD | 0 | 0 | 3 | – |
| TX | 0 | 0 | 1 | – |
| MN | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Chilton, WI | 4,183 | 1.50″ |
| Marinette, WI | 11,139 | 0.75″ |
| Menominee, MI | 8,231 | 0.75″ |
| Mauston, WI | 4,147 | 0.75″ |
Hail reports (4)
| Time (UTC) | Size | Location |
|---|---|---|
| 16:30 | 1.50″ | Calumet County, WI |
| 23:00 | 1.50″ | Portage County, WI |
| 22:00 | 0.75″ | WI |
| 00:00 | 0.75″ | Juneau County, WI |
Damage, injuries and deaths
National Weather Service offices recorded about $9.4 million in property damage, 234 injuries and 11 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (33 events in 7 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 |
|---|---|---|---|---|
| Macomb County, MI | 1 | 224 | 11 | $2.5 million |
| Winnebago County, WI | 1 | 5 | 0 | $2.5 million |
| Richland County, WI | 1 | 2 | 0 | $250,000 |
| Waupaca County, WI | 1 | 1 | 0 | $250,000 |
| Monroe County, MI | 1 | 1 | 0 | $25,000 |
| Oakland County, MI | 1 | 1 | 0 | $25,000 |
| Calumet County, WI | 1 | 0 | 0 | $2.5 million |
| Grand Traverse County, MI | 1 | 0 | 0 | $250,000 |
| Presque Isle County, MI | 1 | 0 | 0 | $250,000 |
| Juneau County, WI | 1 | 0 | 0 | $250,000 |
| Marathon County, WI | 1 | 0 | 0 | $250,000 |
| Vernon County, WI | 1 | 0 | 0 | $250,000 |
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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