On the map: every storm report logged this day.
On the map
Storm reports for July 20, 1987
On July 20, 1987, 11 hail, 100 damaging-wind and 4 tornado reports were logged across 7 states.
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On July 20, 1987, 11 hail, 100 damaging-wind and 4 tornado reports were logged across 7 states. The largest hail reported was 2.00″ (hen egg size) in Beadle 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 |
|---|---|---|---|---|
| MI | 1 | 48 | 2 | 0.75″ |
| WI | 0 | 45 | 1 | – |
| MN | 7 | 3 | 1 | 1.75″ |
| SD | 2 | 2 | 0 | 2.00″ |
| NE | 1 | 0 | 0 | 1.75″ |
| NY | 0 | 1 | 0 | – |
| VT | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Bloomington, MN | 88,344 | 1.75″ |
| Eagan, MN | 67,240 | 1.75″ |
| Burnsville, MN | 64,864 | 1.75″ |
| Maplewood, MN | 40,142 | 1.75″ |
| Savage, MN | 32,896 | 1.75″ |
| Oakdale, MN | 30,441 | 1.75″ |
| White Bear Lake, MN | 23,479 | 1.75″ |
| West St. Paul, MN | 21,920 | 1.75″ |
| Lake Elmo, MN | 14,161 | 1.75″ |
| North St. Paul, MN | 12,644 | 1.75″ |
| Mendota Heights, MN | 11,542 | 1.75″ |
| Little Canada, MN | 10,590 | 1.75″ |
| Mahtomedi, MN | 8,199 | 1.75″ |
| Otsego, MN | 23,875 | 1.00″ |
| St. Michael, MN | 21,681 | 1.00″ |
| Albertville, MN | 8,555 | 1.00″ |
| Hanover, MN | 4,229 | 1.00″ |
| Buffalo, MN | 16,736 | 0.75″ |
| Victoria, MN | 11,937 | 0.75″ |
| Charlotte, MI | 9,301 | 0.75″ |
| Minnetrista, MN | 9,091 | 0.75″ |
| Mound, MN | 9,031 | 0.75″ |
| Orono, MN | 8,228 | 0.75″ |
| Shorewood, MN | 7,557 | 0.75″ |
Hail reports (11)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:30 | 2.00″ | Beadle County, SD |
| 23:45 | 1.75″ | Dakota County, MN |
| 00:15 | 1.75″ | Dakota County, MN |
| 01:15 | 1.75″ | Cherry County, NE |
| 01:22 | 1.75″ | Ramsey County, MN |
| 00:15 | 1.50″ | Lyman County, SD |
| 23:45 | 1.00″ | Wright County, MN |
| 02:55 | 1.00″ | Kandiyohi County, MN |
| 00:10 | 0.75″ | Wright County, MN |
| 00:25 | 0.75″ | Eaton County, MI |
| 03:19 | 0.75″ | Hennepin County, MN |
Damage, injuries and deaths
National Weather Service offices recorded about $25,000 in property damage, 7 injuries and 4 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (115 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 |
|---|---|---|---|---|
| Manistee County, MI | 1 | 0 | 2 | – |
| Huron County, MI | 1 | 0 | 1 | – |
| Kalamazoo County, MI | 1 | 0 | 1 | – |
| Benzie County, MI | 1 | 6 | 0 | – |
| Jackson County, MI | 1 | 1 | 0 | – |
| Burnett County, WI | 1 | 0 | 0 | $25,000 |
| Wayne County, MI | 1 | 0 | 0 | $0 |
| Barry County, MI | 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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