On the map: every storm report logged this day.
On the map
Storm reports for August 17, 2017
On August 17, 2017, 11 hail, 27 damaging-wind and 3 tornado reports were logged across 11 states.
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On August 17, 2017, 11 hail, 27 damaging-wind and 3 tornado reports were logged across 11 states. The largest hail reported was 1.75″ (golf ball size) in Sherman County, TX.
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 |
|---|---|---|---|---|
| TX | 3 | 6 | 0 | 1.75″ |
| KS | 5 | 3 | 0 | 1.25″ |
| OH | 0 | 5 | 1 | – |
| OK | 1 | 4 | 0 | 0.88″ |
| NC | 0 | 5 | 0 | – |
| MI | 0 | 0 | 2 | – |
| NY | 0 | 2 | 0 | – |
| ND | 1 | 0 | 0 | 1.50″ |
| NE | 1 | 0 | 0 | 1.00″ |
| PA | 0 | 1 | 0 | – |
| KY | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Hugoton, KS | 3,583 | 1.00″ |
| Guymon, OK | 12,397 | 0.88″ |
Hail reports (11)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:27 | 1.75″ | Sherman County, TX |
| 00:35 | 1.50″ | Hutchinson County, TX |
| 02:11 | 1.50″ | Divide County, ND |
| 01:34 | 1.25″ | Greeley County, KS |
| 00:46 | 1.00″ | Dundy County, NE |
| 01:15 | 1.00″ | Wallace County, KS |
| 04:30 | 1.00″ | Stevens County, KS |
| 01:35 | 0.88″ | Texas County, OK |
| 04:25 | 0.88″ | Ochiltree County, TX |
| 01:40 | 0.75″ | Greeley County, KS |
| 02:28 | 0.75″ | Wichita County, KS |
Damage, injuries and deaths
National Weather Service offices recorded about $163,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (41 events in 11 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Trumbull County, OH | 1 | 0 | 0 | $50,000 |
| Ogemaw County, MI | 1 | 0 | 0 | $45,000 |
| Erie County, NY | 1 | 0 | 0 | $25,000 |
| Chautauqua County, NY | 1 | 0 | 0 | $12,000 |
| Divide County, ND | 1 | 0 | 0 | $10,000 |
| Carroll County, OH | 1 | 0 | 0 | $8,000 |
| Franklin County, NC | 1 | 0 | 0 | $3,000 |
| Hamilton County, OH | 1 | 0 | 0 | $2,000 |
| Medina County, OH | 2 | 0 | 0 | $2,000 |
| Mercer County, PA | 1 | 0 | 0 | $2,000 |
| Wilkes County, NC | 3 | 0 | 0 | $2,000 |
| Pendleton County, KY | 1 | 0 | 0 | $1,000 |
What the National Weather Service wrote
- Trumbull County, OH (near Fowler) · Tornado EF1 · $50,000
“A funnel cloud formed east of Warren from a thunderstorm moving northeast across Trumbull County. The funnel was observed for many minutes and passed a few miles north of the Youngstown-Warren Regional Airport.” - Ogemaw County, MI (near Lupton) · Tornado EF0 · $45,000
“An EF0 tornado developed over George Lake, and crossed Maple Avenue at the north end of the lake before dissipating. Maximum winds were estimated at 80 mph. Damage was done to docks, outbuildings, and the siding of a few homes.” - Erie County, NY (near Langford) · Thunderstorm wind 58 mph · $25,000
“Law enforcement reported damage from thunderstorm winds.” - Carroll County, OH (near Carrollton) · Thunderstorm wind 63 mph · $8,000
“Emergency manager reported numerous trees uprooted and ripped off along Fresno Road, Fisherman Road, and Bacon Road.” - Franklin County, NC (near Louisburg) · Thunderstorm wind 58 mph · $3,000
“Several trees and a few large tree limbs were blown down along a swath through downtown Louisburg.” - Hamilton County, OH (near Lincoln Hgts) · Thunderstorm wind 58 mph · $2,000
“Trees and a power line were knocked down onto Worthington Avenue, just east of Burns Avenue.”
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, 2017
National Weather Service survey teams mapped 3 tornado paths from this storm day (1 EF1, 2 EF0), 5 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 |
|---|---|---|---|---|---|---|
| EF1 | 90 mph | 1.2 mi | 250 yd | 0 / 0 | 23:11–23:21 UTC | NWS Cleveland |
| EF0 | 75 mph | 3.3 mi | 100 yd | 0 / 0 | 00:10–00:17 UTC | NWS Detroit |
| EF0 | 80 mph | 0.1 mi | 40 yd | 0 / 0 | 23:29–23:35 UTC | NWS Gaylord |
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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