On the map: every storm report logged this day.
On the map
Storm reports for September 17, 2018
On September 17, 2018, 10 hail, 29 damaging-wind and 11 tornado reports were logged across 10 states.
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Other storms on September 17 →
On September 17, 2018, 10 hail, 29 damaging-wind and 11 tornado reports were logged across 10 states. The largest hail reported was 1.75″ (golf ball size) in Hamlin County, SD. Tornadoes killed 1.
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 |
|---|---|---|---|---|
| VA | 0 | 5 | 11 | – |
| MN | 5 | 5 | 0 | 1.50″ |
| WI | 0 | 9 | 0 | – |
| NC | 0 | 4 | 0 | – |
| SD | 1 | 2 | 0 | 1.75″ |
| NE | 2 | 1 | 0 | 1.25″ |
| IA | 1 | 1 | 0 | 1.00″ |
| LA | 1 | 0 | 0 | 1.00″ |
| NJ | 0 | 1 | 0 | – |
| MD | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Marshall, MN | 13,996 | 1.50″ |
| Forest City, IA | 4,199 | 1.00″ |
| Winona, MN | 26,173 | 0.75″ |
| Goodview, MN | 4,088 | 0.75″ |
Hail reports (10)
| Time (UTC) | Size | Location |
|---|---|---|
| 10:00 | 1.75″ | Hamlin County, SD |
| 10:20 | 1.50″ | Lyon County, MN |
| 01:25 | 1.25″ | Thomas County, NE |
| 10:16 | 1.25″ | Lyon County, MN |
| 20:12 | 1.00″ | Hancock County, IA |
| 20:58 | 1.00″ | Terrebonne Parish, LA |
| 01:28 | 1.00″ | Thomas County, NE |
| 08:37 | 1.00″ | Winona County, MN |
| 10:14 | 0.88″ | Lyon County, MN |
| 21:11 | 0.75″ | Winona County, MN |
Damage, injuries and deaths
National Weather Service offices recorded about $1.2 million in property damage, 1 injury and 1 death from hail, thunderstorm wind and tornadoes across the US on this storm day (50 events in 10 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Chesterfield County, VA | 3 | 1 | 1 | $1 million |
| Richmond city, VA | 5 | 0 | 0 | $35,000 |
| Jackson County, WI | 3 | 0 | 0 | $23,000 |
| Hancock County, IA | 1 | 0 | 0 | $20,000 |
| Hanover County, VA | 1 | 0 | 0 | $20,000 |
| Mecklenburg County, VA | 1 | 0 | 0 | $20,000 |
| Winona County, MN | 2 | 0 | 0 | $15,000 |
| Henrico County, VA | 1 | 0 | 0 | $10,000 |
| Dodge County, MN | 2 | 0 | 0 | $6,000 |
| Union County, NJ | 1 | 0 | 0 | $5,000 |
| Brown County, WI | 1 | 0 | 0 | $5,000 |
| Powhatan County, VA | 1 | 0 | 0 | $3,000 |
What the National Weather Service wrote
- Chesterfield County, VA (near Beach) · Tornado EF2 · $1 million · 1 death · 1 injury
“Beginning in Winterpock, the tornado started as a weak EF1 before moving into a residential area north of River Road. The tornado reached peak intensity (EF2) when it crossed Hull Street Road. At this point, it took off the roof of Gabe's and damaged several other businesses.” - Hancock County, IA (near Garner) · Thunderstorm wind 60 mph · $20,000
“Hancock County Sheriff reported power lines down.” - Hanover County, VA (near Rockville) · Tornado EF1 · $20,000
“A brief EF1 tornado touched down just northwest of the intersection of Echo Meadows Road and Rockville Road in Hanover county. The storm then moved north northeast, causing numerous trees to be uprooted or snapped.” - Chesterfield County, VA (near Winterpock) · Tornado EF1 · $20,000
“The tornado first crossed Beaver Bridge Road and then Beach Road. The bulk of the structural damage occurred in the Hampton Park Neighborhood. It then crossed Hull street and entered Moseley, before dissipating near the Fox Club Parkway.” - Richmond city, VA (near Richmond) · Tornado EF1 · $20,000
“An EF1 tornado touched down in the Stony Point area of the City of Richmond just south of West Huguenot Road. The tornado then tracked northward into Tuckahoe before lifting just south of Three Chopt Road.” - Mecklenburg County, VA (near Skipwith) · Tornado EF0 · $20,000
“The tornado touched down near Skipwith Road and Moores Road where numerous trees were downed. The storm then tracked northeast, while intermittently touching down causing widespread tree damage.”
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 September 17, 2018
National Weather Service survey teams mapped 19 tornado paths from this storm day (1 EF2, 5 EF1, 13 EF0), 34 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 |
|---|---|---|---|---|---|---|
| EF2 | – | 0.7 mi | – | 0 / 0 | 19:44–19:45 UTC | NWS Wakefield |
| EF1 | – | 2.6 mi | – | 0 / 0 | 19:37–19:40 UTC | NWS Wakefield |
| EF1 | – | 0.6 mi | – | 0 / 0 | 19:42–19:44 UTC | NWS Wakefield |
| EF1 | – | 0.5 mi | – | 0 / 0 | 19:45–19:47 UTC | NWS Wakefield |
| EF1 | – | 0.4 mi | – | 0 / 0 | 18:58–19:02 UTC | NWS Wakefield |
| EF1 | – | 0.4 mi | – | 0 / 0 | 17:33–17:36 UTC | NWS Wakefield |
| EF0 | – | 9.1 mi | 150 yd | 0 / 0 | 14:35–14:50 UTC | NWS Wakefield |
| EF0 | – | 5.6 mi | – | 0 / 0 | 18:46–18:58 UTC | NWS Wakefield |
| EF0 | – | 2.9 mi | – | 0 / 0 | 19:02–19:08 UTC | NWS Wakefield |
| EF0 | 85 mph | 2.9 mi | 100 yd | 0 / 0 | 19:35–13:15 UTC | NWS Wakefield |
| EF0 | – | 1.9 mi | – | 0 / 0 | 19:32–19:37 UTC | NWS Wakefield |
| EF0 | – | 1.7 mi | 75 yd | 0 / 0 | 20:14–20:16 UTC | NWS Wakefield |
| EF0 | 75 mph | 1.4 mi | 75 yd | 0 / 0 | 20:23–20:26 UTC | NWS Wakefield |
| EF0 | 80 mph | 1.1 mi | 75 yd | 0 / 0 | 19:57–20:00 UTC | NWS Wakefield |
| EF0 | – | 0.6 mi | – | 0 / 0 | 19:40–19:42 UTC | NWS Wakefield |
| EF0 | – | 0.6 mi | 100 yd | 0 / 0 | 19:59–20:01 UTC | NWS Wakefield |
| EF0 | – | 0.3 mi | – | 0 / 0 | 17:36–17:38 UTC | NWS Wakefield |
| EF0 | 75 mph | 0.3 mi | 75 yd | 0 / 0 | 20:05 UTC | NWS Wakefield |
| EF0 | – | 0.1 mi | – | 0 / 0 | 20:26–20:27 UTC | NWS Wakefield |
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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