On the map: every storm report logged this day.
On the map
Storm reports for August 17, 2014
On August 17, 2014, 39 hail, 84 damaging-wind and 3 tornado reports were logged across 15 states.
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On August 17, 2014, 39 hail, 84 damaging-wind and 3 tornado reports were logged across 15 states. The largest hail reported was 4.25″ (grapefruit 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 | 18 | 33 | 0 | 2.75″ |
| KS | 3 | 23 | 0 | 4.25″ |
| SD | 11 | 5 | 0 | 4.25″ |
| ND | 5 | 3 | 0 | 1.25″ |
| AR | 0 | 8 | 0 | – |
| GA | 0 | 4 | 0 | – |
| KY | 0 | 1 | 2 | – |
| AZ | 0 | 2 | 0 | – |
| LA | 0 | 2 | 0 | – |
| TN | 1 | 0 | 0 | 1.00″ |
| OR | 1 | 0 | 0 | 1.00″ |
| IA | 0 | 0 | 1 | – |
| AL | 0 | 1 | 0 | – |
| TX | 0 | 1 | 0 | – |
| MS | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Box Elder, SD | 13,887 | 0.88″ |
| Gothenburg, NE | 3,447 | 0.75″ |
Hail reports (39)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:24 | 4.25″ | Oglala Lakota County, SD |
| 01:24 | 4.25″ | Phillips County, KS |
| 21:05 | 3.00″ | Harding County, SD |
| 21:35 | 3.00″ | Custer County, SD |
| 19:59 | 2.75″ | Cherry County, NE |
| 23:50 | 2.75″ | Sheridan County, NE |
| 20:01 | 2.00″ | Cherry County, NE |
| 21:10 | 1.75″ | Cherry County, NE |
| 21:13 | 1.75″ | Harding County, SD |
| 23:55 | 1.75″ | Sheridan County, NE |
| 00:00 | 1.75″ | Sheridan County, NE |
| 00:25 | 1.75″ | Sheridan County, NE |
| 20:22 | 1.50″ | Cherry County, NE |
| 03:37 | 1.50″ | Ottawa County, KS |
| 20:58 | 1.25″ | Cherry County, NE |
| 00:20 | 1.25″ | Benson County, ND |
| 19:39 | 1.00″ | Cherry County, NE |
| 20:00 | 1.00″ | Renville County, ND |
| 21:00 | 1.00″ | Cherry County, NE |
| 21:13 | 1.00″ | Cherry County, NE |
| 21:15 | 1.00″ | Harding County, SD |
| 21:20 | 1.00″ | Cherry County, NE |
| 21:27 | 1.00″ | Bowman County, ND |
| 21:48 | 1.00″ | Perkins County, SD |
| 21:50 | 1.00″ | Carroll County, TN |
| 22:24 | 1.00″ | Custer County, SD |
| 22:26 | 1.00″ | Pennington County, SD |
| 23:55 | 1.00″ | Meade County, SD |
| 00:02 | 1.00″ | Garfield County, NE |
| 00:29 | 1.00″ | Oglala Lakota County, SD |
| 02:36 | 1.00″ | Deschutes County, OR |
| 22:04 | 0.88″ | Pennington County, SD |
| 01:15 | 0.88″ | Hall County, NE |
| 01:16 | 0.88″ | Buffalo County, NE |
| 19:15 | 0.75″ | Bowman County, ND |
| 19:48 | 0.75″ | Bowman County, ND |
| 20:22 | 0.75″ | Cherry County, NE |
| 00:55 | 0.75″ | Dawson County, NE |
| 02:00 | 0.75″ | Smith County, KS |
Damage, injuries and deaths
National Weather Service offices recorded about $1.5 million in property damage, $9.3 million in crop damage and 4 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (126 events in 15 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Sheridan County, NE | 1 | 4 | 0 | – |
| Phillips County, KS | 1 | 0 | 0 | $250,000 |
| Adams County, NE | 4 | 0 | 0 | $237,000 |
| Valley County, NE | 2 | 0 | 0 | $200,000 |
| Jewell County, KS | 2 | 0 | 0 | $150,000 |
| Sherman County, NE | 2 | 0 | 0 | $125,000 |
| Dawson County, NE | 1 | 0 | 0 | $100,000 |
| Oglala Lakota County, SD | 1 | 0 | 0 | $100,000 |
| Mitchell County, KS | 1 | 0 | 0 | $50,000 |
| Nuckolls County, NE | 1 | 0 | 0 | $50,000 |
| Henderson County, KY | 1 | 0 | 0 | $40,000 |
| Gila County, AZ | 1 | 0 | 0 | $25,000 |
What the National Weather Service wrote
- Sheridan County, NE (near White Clay) · Hail 2.75″ · 4 injuries
“Baseball size hail and strong winds injured 4 in Whiteclay. One person was taken to a local hospital.” - Phillips County, KS (near Agra) · Hail 4.25″ · $250,000
“Hail ranging in size from golf balls to softballs was reported.” - Valley County, NE (near Ord) · Thunderstorm wind 70 mph · $100,000
“Wind gusts were estimated to be near 70 MPH. Crop damage was reported in the area.” - Sherman County, NE (near Litchfield) · Thunderstorm wind 70 mph · $100,000
“Wind gusts were estimated to be near 70 MPH, with tree branches up to 6 to 8 inches in diameter being downed.” - Dawson County, NE (near Sumner) · Thunderstorm wind 70 mph · $100,000
“Wind gusts were estimated to be near 70 MPH. Crop and tree damage was reported in the area.” - Valley County, NE (near Arcadia) · Thunderstorm wind 60 mph · $100,000
“Wind gusts were estimated to be near 60 MPH. Crop and tree damage was reported in the area.”
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.
NWS Tornado Damage Surveys for August 17, 2014
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF0), 1 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF0 | – | 0.8 mi | 25 yd | 0 / 0 | 00:00–00:02 UTC | NWS Des Moines |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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