On the map: every storm report logged this day.
On the map
Storm reports for August 10, 2017
On August 10, 2017, 92 hail, 73 damaging-wind and 0 tornado reports were logged across 13 states.
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On August 10, 2017, 92 hail, 73 damaging-wind and 0 tornado reports were logged across 13 states. The largest hail reported was 4.25″ (grapefruit size) in Sheridan County, KS.
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 |
|---|---|---|---|---|
| KS | 25 | 26 | 0 | 4.25″ |
| CO | 27 | 6 | 0 | 3.00″ |
| OK | 5 | 21 | 0 | 2.00″ |
| WI | 19 | 2 | 0 | 1.50″ |
| IA | 9 | 5 | 0 | 1.75″ |
| IL | 2 | 5 | 0 | 1.00″ |
| AZ | 0 | 5 | 0 | – |
| TX | 2 | 0 | 0 | 1.25″ |
| UT | 0 | 2 | 0 | – |
| NM | 1 | 0 | 0 | 1.75″ |
| NE | 1 | 0 | 0 | 1.00″ |
| CA | 1 | 0 | 0 | 1.00″ |
| MS | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Lamar, CO | 7,641 | 3.00″ |
| Goodland, KS | 4,394 | 2.75″ |
| El Reno, OK | 20,041 | 1.75″ |
| La Junta, CO | 6,986 | 1.75″ |
| Clinton, IA | 24,118 | 1.50″ |
| Jackson, WI | 8,169 | 1.50″ |
| Camanche, IA | 4,536 | 1.50″ |
| Green Bay, WI | 106,311 | 1.25″ |
| Howard, WI | 21,961 | 1.25″ |
| Ashwaubenon, WI | 17,437 | 1.25″ |
| Bellevue, WI | 16,749 | 1.25″ |
| Allouez, WI | 13,923 | 1.25″ |
| Hobart, WI | 10,876 | 1.25″ |
| Fulton, IL | 3,581 | 1.25″ |
| Fort Collins, CO | 170,924 | 1.00″ |
| Fond du Lac, WI | 44,469 | 1.00″ |
| Beloit, WI | 36,633 | 1.00″ |
| Fountain, CO | 29,457 | 1.00″ |
| Hartford, WI | 15,984 | 1.00″ |
| Waupun, WI | 11,131 | 1.00″ |
| South Beloit, IL | 7,983 | 1.00″ |
| North Fond du Lac, WI | 5,419 | 1.00″ |
| Falls City, NE | 4,044 | 1.00″ |
| Rocky Ford, CO | 3,781 | 1.00″ |
| Seymour, WI | 3,631 | 1.00″ |
Hail reports (92)
| Time (UTC) | Size | Location |
|---|---|---|
| 18:58 | 4.25″ | Sheridan County, KS |
| 19:30 | 4.25″ | Trego County, KS |
| 19:31 | 4.25″ | Trego County, KS |
| 00:54 | 3.00″ | Prowers County, CO |
| 18:22 | 2.75″ | Sherman County, KS |
| 00:38 | 2.75″ | Bent County, CO |
| 19:37 | 2.50″ | Trego County, KS |
| 19:38 | 2.50″ | Trego County, KS |
| 19:48 | 2.50″ | Trego County, KS |
| 01:00 | 2.00″ | Nowata County, OK |
| 01:35 | 2.00″ | Stanton County, KS |
| 18:19 | 1.75″ | Sherman County, KS |
| 19:20 | 1.75″ | Graham County, KS |
| 19:25 | 1.75″ | Jones County, IA |
| 21:42 | 1.75″ | Mora County, NM |
| 22:10 | 1.75″ | Stafford County, KS |
| 22:50 | 1.75″ | Canadian County, OK |
| 00:50 | 1.75″ | Prowers County, CO |
| 01:10 | 1.75″ | Otero County, CO |
| 18:22 | 1.50″ | Sherman County, KS |
| 20:28 | 1.50″ | Washington County, WI |
| 21:00 | 1.50″ | Washington County, IA |
| 21:25 | 1.50″ | Rush County, KS |
| 22:00 | 1.50″ | Clinton County, IA |
| 01:04 | 1.50″ | Otero County, CO |
| 03:59 | 1.50″ | Beaver County, OK |
| 20:00 | 1.25″ | Logan County, KS |
| 20:02 | 1.25″ | Brown County, WI |
| 20:07 | 1.25″ | Brown County, WI |
| 22:05 | 1.25″ | Clinton County, IA |
| 00:20 | 1.25″ | Oldham County, TX |
| 00:45 | 1.25″ | Crowley County, CO |
| 00:51 | 1.25″ | Otero County, CO |
| 01:40 | 1.25″ | Rogers County, OK |
| 01:45 | 1.25″ | Stanton County, KS |
| 19:07 | 1.00″ | Outagamie County, WI |
| 20:10 | 1.00″ | Brown County, WI |
| 20:11 | 1.00″ | Brown County, WI |
| 20:29 | 1.00″ | Rock County, WI |
| 20:53 | 1.00″ | Washington County, IA |
| 20:55 | 1.00″ | Kewaunee County, WI |
| 20:55 | 1.00″ | Outagamie County, WI |
| 21:08 | 1.00″ | Fond du Lac County, WI |
| 21:08 | 1.00″ | Dodge County, WI |
| 21:10 | 1.00″ | Larimer County, CO |
| 21:11 | 1.00″ | Larimer County, CO |
| 21:11 | 1.00″ | Kewaunee County, WI |
| 21:23 | 1.00″ | Washington County, WI |
| 21:35 | 1.00″ | Dodge County, WI |
| 21:41 | 1.00″ | Dodge County, WI |
| 21:48 | 1.00″ | El Paso County, CO |
| 21:58 | 1.00″ | Clinton County, IA |
| 22:20 | 1.00″ | Whiteside County, IL |
| 22:30 | 1.00″ | Richardson County, NE |
| 22:35 | 1.00″ | Stafford County, KS |
| 22:37 | 1.00″ | Whiteside County, IL |
| 22:40 | 1.00″ | Weld County, CO |
| 22:48 | 1.00″ | El Paso County, CO |
| 22:50 | 1.00″ | Ford County, KS |
| 22:55 | 1.00″ | Lincoln County, CO |
| 23:35 | 1.00″ | Kiowa County, KS |
| 23:55 | 1.00″ | Kiowa County, KS |
| 00:19 | 1.00″ | Kiowa County, KS |
| 00:20 | 1.00″ | Trinity County, CA |
| 00:35 | 1.00″ | Bent County, CO |
| 00:35 | 1.00″ | Prowers County, CO |
| 00:41 | 1.00″ | Prowers County, CO |
| 00:48 | 1.00″ | Otero County, CO |
| 00:55 | 1.00″ | Prowers County, CO |
| 01:00 | 1.00″ | Prowers County, CO |
| 01:01 | 1.00″ | Prowers County, CO |
| 02:50 | 1.00″ | Morton County, KS |
| 21:05 | 0.88″ | Larimer County, CO |
| 21:05 | 0.88″ | Adams County, CO |
| 21:05 | 0.88″ | El Paso County, CO |
| 21:10 | 0.88″ | Larimer County, CO |
| 21:55 | 0.88″ | Clinton County, IA |
| 00:25 | 0.88″ | Sumner County, KS |
| 00:40 | 0.88″ | Prowers County, CO |
| 01:37 | 0.88″ | Hartley County, TX |
| 18:34 | 0.75″ | Sheridan County, KS |
| 18:56 | 0.75″ | Sheridan County, KS |
| 20:43 | 0.75″ | Ozaukee County, WI |
| 21:07 | 0.75″ | Larimer County, CO |
| 21:15 | 0.75″ | Dodge County, WI |
| 21:27 | 0.75″ | Brown County, WI |
| 21:32 | 0.75″ | Clinton County, IA |
| 21:38 | 0.75″ | Comanche County, OK |
| 21:38 | 0.75″ | Winnebago County, WI |
| 22:16 | 0.75″ | Van Buren County, IA |
| 22:26 | 0.75″ | El Paso County, CO |
| 03:00 | 0.75″ | Morton County, KS |
Damage, injuries and deaths
National Weather Service offices recorded about $657,000 in property damage and $5,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (165 events in 13 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Pima County, AZ | 2 | 0 | 0 | $251,000 |
| Rawlins County, KS | 1 | 0 | 0 | $145,000 |
| Washington County, OK | 5 | 0 | 0 | $64,000 |
| La Paz County, AZ | 2 | 0 | 0 | $45,000 |
| Mayes County, OK | 1 | 0 | 0 | $30,000 |
| Clarke County, MS | 1 | 0 | 0 | $25,000 |
| Sheridan County, KS | 2 | 0 | 0 | $22,000 |
| Maricopa County, AZ | 1 | 0 | 0 | $15,000 |
| Canadian County, OK | 2 | 0 | 0 | $15,000 |
| Nowata County, OK | 1 | 0 | 0 | $15,000 |
| Kingfisher County, OK | 1 | 0 | 0 | $10,000 |
| Fulton County, IL | 1 | 0 | 0 | $5,000 |
What the National Weather Service wrote
- Pima County, AZ (near (Dma)Davis Monthan A) · Thunderstorm wind 63 mph · $250,000
“Over one hundred eucalyptus and other large shallow-rooted trees were toppled and many other tree limbs were downed on the east side of Tucson. The damage path from this severe thunderstorm was about a mile and a half either side of a line from Broadway Blvd.” - Rawlins County, KS (near Atwood) · Thunderstorm wind 100 mph · $145,000
“Fourteen power lines were broken off along CR 23 southeast of Atwood.” - Washington County, OK (near Copan) · Thunderstorm wind 75 mph · $30,000
“Strong thunderstorm wind severely damaged the roofs of three homes east of Copan.” - Mayes County, OK (near Pryor) · Thunderstorm wind 75 mph · $30,000
“Strong thunderstorm wind destroyed an unoccupied mobile home, blew down power poles and trees, and destroyed two barns in the Osage area.” - La Paz County, AZ (near Brenda) · Thunderstorm wind 75 mph · $25,000
“Strong thunderstorms developed across portions of La Paz County during the afternoon hours on August 10th and some affected the Interstate 10 corridor near the town of Brenda.” - Washington County, OK (near Dewey) · Thunderstorm wind 70 mph · $25,000
“Strong thunderstorm wind severely damaged a large metal barn.”
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.
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