On the map: every storm report logged this day.
On the map
Storm reports for August 11, 2012
On August 11, 2012, 8 hail, 42 damaging-wind and 1 tornado reports were logged across 15 states.
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On August 11, 2012, 8 hail, 42 damaging-wind and 1 tornado reports were logged across 15 states. The largest hail reported was 1.75″ (golf ball size) in Oglala Lakota 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 |
|---|---|---|---|---|
| NE | 3 | 7 | 0 | 1.00″ |
| NY | 1 | 8 | 0 | 0.88″ |
| SD | 3 | 3 | 0 | 1.75″ |
| AZ | 0 | 5 | 0 | – |
| NC | 0 | 2 | 1 | – |
| GA | 0 | 3 | 0 | – |
| SC | 0 | 3 | 0 | – |
| MA | 0 | 3 | 0 | – |
| VA | 1 | 1 | 0 | 0.75″ |
| NH | 0 | 2 | 0 | – |
| CA | 0 | 1 | 0 | – |
| PA | 0 | 1 | 0 | – |
| CO | 0 | 1 | 0 | – |
| VT | 0 | 1 | 0 | – |
| TX | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Canton, NY | 6,957 | 0.88″ |
Hail reports (8)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:30 | 1.75″ | Oglala Lakota County, SD |
| 21:10 | 1.00″ | Custer County, SD |
| 00:55 | 1.00″ | Deuel County, NE |
| 01:03 | 1.00″ | Deuel County, NE |
| 02:10 | 1.00″ | Cherry County, NE |
| 21:20 | 0.88″ | St. Lawrence County, NY |
| 22:30 | 0.75″ | Lawrence County, SD |
| 23:30 | 0.75″ | Henry County, VA |
Damage, injuries and deaths
National Weather Service offices recorded about $494,000 in property damage and $20,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (51 events in 15 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Wilson County, NC | 1 | 0 | 0 | $350,000 |
| Oglala Lakota County, SD | 1 | 0 | 0 | $50,000 |
| Pima County, AZ | 4 | 0 | 0 | $29,000 |
| Hampshire County, MA | 1 | 0 | 0 | $25,000 |
| Cheshire County, NH | 2 | 0 | 0 | $6,000 |
| Riverside County, CA | 1 | 0 | 0 | $5,000 |
| Garden County, NE | 1 | 0 | 0 | $5,000 |
| Keith County, NE | 1 | 0 | 0 | $5,000 |
| Edwards County, TX | 1 | 0 | 0 | $5,000 |
| Chatham County, GA | 1 | 0 | 0 | $3,000 |
| St. Lawrence County, NY | 1 | 0 | 0 | $2,000 |
| Addison County, VT | 1 | 0 | 0 | $2,000 |
What the National Weather Service wrote
- Wilson County, NC (near Stantonsburg) · Tornado EF1 · $350,000
“Four houses on R B Avenue were severely damaged. One home was ripped off its foundation. A carport roof was destroyed at another home. Vehicles were damaged, along with downed trees, and broken windows.” - Hampshire County, MA (near Bay State) · Thunderstorm wind 58 mph · $25,000
“Two power poles and high tension wires on Dimock Street were downed by thunderstorm winds.” - Pima County, AZ (near Ali Chuk) · Thunderstorm wind 64 mph · $15,000
“Thunderstorm winds damaged three homes and a cellular tower near Menager's Dam.” - Pima County, AZ (near Tatrai Toak) · Thunderstorm wind 64 mph · $10,000
“Thunderstorm winds damaged two homes in Hickiwan. One home sustained considerable roof damage.” - Riverside County, CA (near Lake Elsinore) · Thunderstorm wind 87 mph · $5,000
“The Temescal RAWS near Lake Elsinore measured a wind gust of 88 mph between 1432 and 1532 PST, associated with a nearby warned thunderstorm. ||Winds were estimated at 60-65 mph from a microburst around 20 yards wide that caused damage in a residential neighborhood in northeast Temecula.” - Keith County, NE (near Brule) · Thunderstorm wind 70 mph · $5,000
“General public reported large trees blown down. Windows were broken out in quonset building and vehicle. A corral was also knocked down by thunderstorm wind gusts.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
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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