On the map: every storm report logged this day.
On the map
Storm reports for August 27, 2018
On August 27, 2018, 62 hail, 106 damaging-wind and 3 tornado reports were logged across 10 states.
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· As you type, the text is sent to Google to suggest addresses.IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
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On August 27, 2018, 62 hail, 106 damaging-wind and 3 tornado reports were logged across 10 states. The largest hail reported was 3.50″ (teacup size) in Lyman 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 |
|---|---|---|---|---|
| WI | 0 | 62 | 1 | – |
| SD | 28 | 1 | 0 | 3.50″ |
| MN | 4 | 21 | 2 | 1.25″ |
| IA | 17 | 0 | 0 | 3.00″ |
| MI | 0 | 17 | 0 | – |
| ND | 5 | 0 | 0 | 2.00″ |
| NE | 5 | 0 | 0 | 1.75″ |
| TX | 1 | 3 | 0 | 0.88″ |
| FL | 1 | 2 | 0 | 0.75″ |
| VA | 1 | 0 | 0 | 0.75″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Sioux Falls, SD | 209,289 | 1.75″ |
| Orange City, IA | 6,547 | 1.50″ |
| Cherokee, IA | 5,186 | 1.50″ |
| Brandon, SD | 10,837 | 1.00″ |
| Horace, ND | 6,286 | 1.00″ |
| Rock Valley, IA | 4,024 | 1.00″ |
| Odessa, TX | 119,748 | 0.88″ |
| Fargo, ND | 136,285 | 0.75″ |
| Bradenton, FL | 58,184 | 0.75″ |
| West Fargo, ND | 41,027 | 0.75″ |
| Longboat Key, FL | 7,463 | 0.75″ |
Hail reports (62)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:55 | 3.50″ | Lyman County, SD |
| 11:38 | 3.00″ | Palo Alto County, IA |
| 11:58 | 2.75″ | Pocahontas County, IA |
| 10:52 | 2.50″ | O'Brien County, IA |
| 01:20 | 2.00″ | Cass County, ND |
| 13:30 | 1.75″ | Brown County, SD |
| 19:29 | 1.75″ | Dixon County, NE |
| 19:38 | 1.75″ | Dixon County, NE |
| 20:39 | 1.75″ | Sioux County, IA |
| 22:37 | 1.75″ | Pennington County, SD |
| 22:44 | 1.75″ | Haakon County, SD |
| 00:56 | 1.75″ | Lyman County, SD |
| 01:36 | 1.75″ | Cass County, ND |
| 06:00 | 1.75″ | Hutchinson County, SD |
| 06:15 | 1.75″ | Hutchinson County, SD |
| 07:05 | 1.75″ | Minnehaha County, SD |
| 07:12 | 1.75″ | Minnehaha County, SD |
| 07:22 | 1.75″ | Minnehaha County, SD |
| 07:23 | 1.75″ | Minnehaha County, SD |
| 11:19 | 1.75″ | Clay County, IA |
| 11:20 | 1.75″ | Clay County, IA |
| 07:15 | 1.50″ | Minnehaha County, SD |
| 07:20 | 1.50″ | Minnehaha County, SD |
| 10:15 | 1.50″ | Sioux County, IA |
| 11:20 | 1.50″ | Cherokee County, IA |
| 20:39 | 1.25″ | Sioux County, IA |
| 20:51 | 1.25″ | O'Brien County, IA |
| 21:05 | 1.25″ | Stearns County, MN |
| 07:12 | 1.25″ | Minnehaha County, SD |
| 07:20 | 1.25″ | Minnehaha County, SD |
| 08:39 | 1.25″ | Turner County, SD |
| 20:30 | 1.00″ | Clay County, IA |
| 20:33 | 1.00″ | Sioux County, IA |
| 20:45 | 1.00″ | Pope County, MN |
| 23:10 | 1.00″ | Haakon County, SD |
| 23:42 | 1.00″ | Haakon County, SD |
| 00:06 | 1.00″ | Jones County, SD |
| 00:30 | 1.00″ | Custer County, NE |
| 00:37 | 1.00″ | Custer County, NE |
| 00:47 | 1.00″ | Custer County, NE |
| 01:03 | 1.00″ | Barnes County, ND |
| 02:15 | 1.00″ | Cass County, ND |
| 02:35 | 1.00″ | Clay County, MN |
| 02:47 | 1.00″ | Becker County, MN |
| 07:14 | 1.00″ | Minnehaha County, SD |
| 07:19 | 1.00″ | Minnehaha County, SD |
| 07:26 | 1.00″ | Minnehaha County, SD |
| 07:39 | 1.00″ | Charles Mix County, SD |
| 07:40 | 1.00″ | Charles Mix County, SD |
| 08:30 | 1.00″ | McCook County, SD |
| 09:36 | 1.00″ | Sioux County, IA |
| 11:14 | 1.00″ | Cherokee County, IA |
| 23:27 | 0.88″ | Haakon County, SD |
| 23:30 | 0.88″ | Haakon County, SD |
| 00:24 | 0.88″ | Ector County, TX |
| 08:16 | 0.88″ | Bon Homme County, SD |
| 09:37 | 0.88″ | Sioux County, IA |
| 20:48 | 0.75″ | Sioux County, IA |
| 21:14 | 0.75″ | Warren County, VA |
| 21:54 | 0.75″ | Manatee County, FL |
| 02:12 | 0.75″ | Cass County, ND |
| 10:48 | 0.75″ | O'Brien County, IA |
Damage, injuries and deaths
National Weather Service offices recorded about $1.9 million in property damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (172 events in 10 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Otsego County, MI | 1 | 1 | 0 | $1.2 million |
| Goodhue County, MN | 1 | 0 | 0 | $300,000 |
| Monroe County, WI | 4 | 0 | 0 | $70,000 |
| Sarasota County, FL | 1 | 0 | 0 | $50,000 |
| Palo Alto County, IA | 1 | 0 | 0 | $50,000 |
| Houghton County, MI | 4 | 0 | 0 | $47,000 |
| Jackson County, WI | 3 | 0 | 0 | $38,000 |
| Antrim County, MI | 1 | 0 | 0 | $28,000 |
| Pocahontas County, IA | 1 | 0 | 0 | $20,000 |
| Roscommon County, MI | 1 | 0 | 0 | $20,000 |
| Allegan County, MI | 1 | 0 | 0 | $10,000 |
| Grand Traverse County, MI | 1 | 0 | 0 | $10,000 |
What the National Weather Service wrote
- Otsego County, MI (near Gaylord Otsego Arpt) · Thunderstorm wind 81 mph · $1.2 million · 1 injury
“A swath of widespread wind damage extended from west-southwest to east of the city of Gaylord. Some of the most concentrated damage was along Van Tyle Road between Hayes Tower Road and Dickerson Road. Hundreds of trees were snapped off or uprooted.” - Goodhue County, MN (near Vasa) · Tornado EF0 · $300,000
“A tornado touched down just west of a farm, where a definite path was evident in the corn field. It took the tin roof off of much of a turkey barn. An empty grain bin was blown several hundred yards. The southern half of a large machine shed was collapsed.” - Sarasota County, FL (near Bayshore Estates) · Thunderstorm wind 52 mph · $50,000
“A mobile home sustained roof damage from thunderstorm wind gusts in Venice. Another three mobile homes sustained minor damage nearby at the Lake Village Mobile Home Park in Casey Key.” - Palo Alto County, IA (near Ayrshire) · Hail 3.00″ · $50,000
“Public reported up to around baseball or larger sized hail. Time estimated from radar.” - Houghton County, MI (near Oskar) · Thunderstorm wind 69 mph · $40,000
“There was a delayed public report of nearly 200 downed trees near Liminga from thunderstorm winds.” - Jackson County, WI (near Price) · Thunderstorm wind 58 mph · $30,000
“Trees were blown down in the Town of Cleveland. Some of the downed trees landed on vehicles.”
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 27, 2018
National Weather Service survey teams mapped 3 tornado paths from this storm day (1 EF1, 2 EF0), 10 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 | 100 mph | 5.1 mi | 150 yd | 0 / 0 | 16:52–16:52 UTC | NWS La Crosse |
| EF0 | 70 mph | 2.3 mi | 100 yd | 0 / 0 | 22:17–22:21 UTC | NWS Twin Cities |
| EF0 | 85 mph | 2.2 mi | 150 yd | 0 / 0 | 22:37–22:42 UTC | NWS Twin Cities |
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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