On the map: every storm report logged this day.
On the map
HailWindTornado
Storm reports for August 18, 2011
On August 18, 2011, 267 hail, 251 damaging-wind and 6 tornado reports were logged across 25 states.
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· As you type, the text is sent to Google to suggest addresses.267hail reports
251damaging-wind reports
6tornado reports
4.25″largest hail reported
IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← Aug 17, 2011 All 2011 storm days · August 2011 Aug 19, 2011 →
On August 18, 2011, 267 hail, 251 damaging-wind and 6 tornado reports were logged across 25 states. The largest hail reported was 4.25″ (grapefruit size) in Knox County, NE.
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 | 60 | 22 | 4 | 4.25″ |
| MO | 19 | 59 | 0 | 1.75″ |
| KS | 3 | 50 | 0 | 1.00″ |
| IA | 28 | 15 | 0 | 3.00″ |
| MD | 29 | 11 | 0 | 2.25″ |
| OH | 32 | 0 | 0 | 2.00″ |
| SD | 26 | 3 | 0 | 2.75″ |
| VA | 19 | 7 | 0 | 1.75″ |
| MN | 12 | 6 | 0 | 1.75″ |
| PA | 11 | 7 | 0 | 1.25″ |
| NY | 3 | 12 | 0 | 1.00″ |
| NC | 5 | 5 | 2 | 1.00″ |
| NJ | 2 | 10 | 0 | 1.00″ |
| MS | 0 | 11 | 0 | – |
| TN | 3 | 7 | 0 | 1.00″ |
| LA | 1 | 8 | 0 | 1.00″ |
| AZ | 0 | 8 | 0 | – |
| IN | 5 | 1 | 0 | 1.00″ |
| KY | 1 | 4 | 0 | 1.00″ |
| IL | 2 | 2 | 0 | 1.75″ |
| MI | 2 | 1 | 0 | 0.88″ |
| DE | 1 | 1 | 0 | 1.00″ |
| WV | 2 | 0 | 0 | 1.00″ |
| ND | 1 | 0 | 0 | 1.00″ |
| TX | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Omaha, NE | 489,265 | 4.25″ |
| Ralston, NE | 6,443 | 4.25″ |
| Council Bluffs, IA | 62,665 | 2.75″ |
| Carter Lake, IA | 3,752 | 2.75″ |
| Blair, NE | 7,999 | 2.50″ |
| Aberdeen, MD | 18,451 | 2.25″ |
| Havre de Grace, MD | 15,222 | 2.25″ |
| Toledo, OH | 265,638 | 2.00″ |
| Oregon, OH | 19,726 | 2.00″ |
| Northwood, OH | 5,222 | 2.00″ |
| Ottawa Hills, OH | 4,800 | 2.00″ |
| Walbridge, OH | 3,058 | 2.00″ |
| College Park, MD | 34,667 | 1.75″ |
| Laurel, MD | 30,238 | 1.75″ |
| Yankton, SD | 15,670 | 1.75″ |
| Bel Air, MD | 10,395 | 1.75″ |
| Perryville, MD | 4,510 | 1.75″ |
| Cohasset, MN | 2,723 | 1.75″ |
| Liberty, MO | 31,245 | 1.50″ |
| Takoma Park, MD | 17,856 | 1.50″ |
| Bemidji, MN | 15,733 | 1.50″ |
| Chevy Chase, MD | 2,927 | 1.50″ |
| Newton Falls, OH | 4,536 | 1.25″ |
| West Grove, PA | 2,831 | 1.25″ |
| Onawa, IA | 2,795 | 1.25″ |
Hail reports (267)
| Time (UTC) | Size | Location |
|---|---|---|
| 18:07 | 4.25″ | Knox County, NE |
| 21:05 | 4.25″ | Dixon County, NE |
| 22:10 | 4.25″ | Douglas County, NE |
| 22:05 | 3.00″ | Dakota County, NE |
| 22:40 | 3.00″ | Mills County, IA |
| 21:08 | 2.75″ | Dixon County, NE |
| 22:26 | 2.75″ | Pottawattamie County, IA |
| 22:30 | 2.75″ | Dixon County, NE |
| 22:35 | 2.75″ | Oglala Lakota County, SD |
| 23:03 | 2.75″ | Montgomery County, IA |
| 23:06 | 2.75″ | Holt County, NE |
| 23:10 | 2.75″ | Bennett County, SD |
| 23:39 | 2.75″ | Taylor County, IA |
| 23:40 | 2.75″ | Taylor County, IA |
| 00:45 | 2.75″ | Cherry County, NE |
| 01:45 | 2.75″ | Cherry County, NE |
| 21:05 | 2.50″ | Dixon County, NE |
| 21:31 | 2.50″ | Washington County, NE |
| 21:40 | 2.50″ | Dixon County, NE |
| 21:45 | 2.50″ | Dakota County, NE |
| 21:51 | 2.50″ | Washington County, NE |
| 22:01 | 2.50″ | Washington County, NE |
| 22:13 | 2.50″ | Holt County, NE |
| 23:00 | 2.50″ | Cherry County, NE |
| 23:24 | 2.50″ | Bennett County, SD |
| 21:48 | 2.25″ | Harford County, MD |
| 22:01 | 2.00″ | Holt County, NE |
| 22:20 | 2.00″ | Lucas County, OH |
| 22:22 | 2.00″ | Lucas County, OH |
| 22:43 | 2.00″ | Cedar County, NE |
| 23:54 | 2.00″ | Lucas County, OH |
| 17:30 | 1.75″ | Bon Homme County, SD |
| 19:23 | 1.75″ | Woodbury County, IA |
| 19:30 | 1.75″ | Yankton County, SD |
| 20:09 | 1.75″ | Yankton County, SD |
| 20:30 | 1.75″ | Cedar County, NE |
| 20:50 | 1.75″ | Dodge County, NE |
| 20:55 | 1.75″ | Edwards County, IL |
| 20:55 | 1.75″ | Burt County, NE |
| 20:58 | 1.75″ | Cedar County, NE |
| 21:12 | 1.75″ | Shelby County, IA |
| 21:20 | 1.75″ | Rockbridge County, VA |
| 21:28 | 1.75″ | Dixon County, NE |
| 21:34 | 1.75″ | Harford County, MD |
| 21:35 | 1.75″ | Dixon County, NE |
| 22:00 | 1.75″ | Harford County, MD |
| 22:33 | 1.75″ | Montgomery County, MD |
| 22:35 | 1.75″ | Montgomery County, MD |
| 22:45 | 1.75″ | Holt County, NE |
| 22:48 | 1.75″ | Yankton County, SD |
| 23:05 | 1.75″ | Montgomery County, IA |
| 23:15 | 1.75″ | Adams County, IA |
| 23:19 | 1.75″ | Bennett County, SD |
| 23:20 | 1.75″ | Knox County, NE |
| 23:20 | 1.75″ | Bennett County, SD |
| 23:30 | 1.75″ | Prince William County, VA |
| 23:30 | 1.75″ | Fairfax County, VA |
| 23:39 | 1.75″ | Cherry County, NE |
| 23:40 | 1.75″ | Taylor County, IA |
| 00:00 | 1.75″ | Loudoun County, VA |
| 00:05 | 1.75″ | Potter County, SD |
| 00:41 | 1.75″ | Nodaway County, MO |
| 01:05 | 1.75″ | Cass County, NE |
| 01:11 | 1.75″ | Cass County, NE |
| 01:13 | 1.75″ | Fremont County, IA |
| 01:33 | 1.75″ | Fremont County, IA |
| 01:54 | 1.75″ | Atchison County, MO |
| 01:58 | 1.75″ | Atchison County, MO |
| 02:31 | 1.75″ | Seward County, NE |
| 02:32 | 1.75″ | Seward County, NE |
| 06:05 | 1.75″ | Polk County, MN |
| 08:02 | 1.75″ | Itasca County, MN |
| 21:25 | 1.50″ | Pierce County, NE |
| 21:28 | 1.50″ | Dixon County, NE |
| 21:45 | 1.50″ | Bon Homme County, SD |
| 22:13 | 1.50″ | Holt County, NE |
| 22:20 | 1.50″ | Montgomery County, MD |
| 22:47 | 1.50″ | Prince George's County, MD |
| 23:26 | 1.50″ | Prince William County, VA |
| 23:55 | 1.50″ | Cherry County, NE |
| 00:52 | 1.50″ | Madison County, NE |
| 02:34 | 1.50″ | Seward County, NE |
| 03:08 | 1.50″ | Saline County, NE |
| 04:07 | 1.50″ | Clay County, MO |
| 07:00 | 1.50″ | Beltrami County, MN |
| 21:23 | 1.25″ | Boyd County, NE |
| 22:15 | 1.25″ | Montgomery County, MD |
| 22:54 | 1.25″ | Monona County, IA |
| 22:58 | 1.25″ | Chester County, PA |
| 23:21 | 1.25″ | Cherry County, NE |
| 00:35 | 1.25″ | Nodaway County, MO |
| 04:01 | 1.25″ | Platte County, MO |
| 10:00 | 1.25″ | Portage County, OH |
| 12:30 | 1.00″ | Shelby County, TN |
| 17:45 | 1.00″ | Knox County, NE |
| 18:40 | 1.00″ | Roanoke County, VA |
| 18:57 | 1.00″ | Surry County, NC |
| 20:15 | 1.00″ | Wilkes County, NC |
| 20:25 | 1.00″ | Roanoke County, VA |
| 20:40 | 1.00″ | Wythe County, VA |
| 20:43 | 1.00″ | Yankton County, SD |
| 20:46 | 1.00″ | Bedford County, VA |
| 20:50 | 1.00″ | Anne Arundel County, MD |
| 20:56 | 1.00″ | Wise County, VA |
| 21:09 | 1.00″ | Daviess County, IN |
| 21:10 | 1.00″ | Dixon County, NE |
| 21:11 | 1.00″ | Corson County, SD |
| 21:24 | 1.00″ | Fairfax city, VA |
| 21:26 | 1.00″ | Carroll County, MD |
| 21:30 | 1.00″ | Alexander County, NC |
| 21:40 | 1.00″ | Harford County, MD |
| 21:40 | 1.00″ | Pottawattamie County, IA |
| 21:43 | 1.00″ | Holt County, NE |
| 21:45 | 1.00″ | Sioux County, ND |
| 21:48 | 1.00″ | Corson County, SD |
| 21:49 | 1.00″ | Harrison County, IA |
| 21:55 | 1.00″ | Loudoun County, VA |
| 22:01 | 1.00″ | Harford County, MD |
| 22:05 | 1.00″ | Cecil County, MD |
| 22:07 | 1.00″ | Loudoun County, VA |
| 22:08 | 1.00″ | Loudoun County, VA |
| 22:10 | 1.00″ | Cecil County, MD |
| 22:11 | 1.00″ | Corson County, SD |
| 22:12 | 1.00″ | Baltimore County, MD |
| 22:13 | 1.00″ | Rockbridge County, VA |
| 22:15 | 1.00″ | Prince William County, VA |
| 22:15 | 1.00″ | Montgomery County, MD |
| 22:19 | 1.00″ | Montgomery County, MD |
| 22:24 | 1.00″ | Montgomery County, MD |
| 22:29 | 1.00″ | Yankton County, SD |
| 22:29 | 1.00″ | Yankton County, SD |
| 22:36 | 1.00″ | Prince George's County, MD |
| 22:38 | 1.00″ | Montgomery County, MD |
| 22:40 | 1.00″ | Bucks County, PA |
| 22:46 | 1.00″ | Hart County, KY |
| 22:52 | 1.00″ | Dixon County, NE |
| 22:52 | 1.00″ | Anne Arundel County, MD |
| 22:56 | 1.00″ | Anne Arundel County, MD |
| 23:00 | 1.00″ | Antelope County, NE |
| 23:05 | 1.00″ | Campbell County, SD |
| 23:07 | 1.00″ | Anne Arundel County, MD |
| 23:07 | 1.00″ | Lucas County, OH |
| 23:09 | 1.00″ | Anne Arundel County, MD |
| 23:20 | 1.00″ | Anne Arundel County, MD |
| 23:20 | 1.00″ | Lucas County, OH |
| 23:30 | 1.00″ | Walworth County, SD |
| 23:33 | 1.00″ | Warren County, VA |
| 23:42 | 1.00″ | Sumner County, KS |
| 23:44 | 1.00″ | Harrison County, IA |
| 23:45 | 1.00″ | Maury County, TN |
| 23:45 | 1.00″ | Delaware County, PA |
| 23:45 | 1.00″ | Lucas County, OH |
| 23:45 | 1.00″ | New Castle County, DE |
| 23:45 | 1.00″ | Antelope County, NE |
| 23:55 | 1.00″ | Taylor County, IA |
| 23:57 | 1.00″ | Shelby County, IA |
| 23:59 | 1.00″ | Taylor County, IA |
| 00:00 | 1.00″ | Bon Homme County, SD |
| 00:00 | 1.00″ | Page County, IA |
| 00:03 | 1.00″ | Wood County, OH |
| 00:06 | 1.00″ | Taylor County, IA |
| 00:06 | 1.00″ | Bon Homme County, SD |
| 00:09 | 1.00″ | Page County, IA |
| 00:10 | 1.00″ | Gloucester County, NJ |
| 00:10 | 1.00″ | Antelope County, NE |
| 00:22 | 1.00″ | Saunders County, NE |
| 00:30 | 1.00″ | Nodaway County, MO |
| 00:30 | 1.00″ | Montgomery County, PA |
| 00:31 | 1.00″ | Berkeley County, WV |
| 00:33 | 1.00″ | Pottawattamie County, IA |
| 00:40 | 1.00″ | Nodaway County, MO |
| 00:53 | 1.00″ | Gentry County, MO |
| 00:53 | 1.00″ | Mills County, IA |
| 01:00 | 1.00″ | Cuyahoga County, OH |
| 01:20 | 1.00″ | Loudoun County, VA |
| 01:20 | 1.00″ | Cass County, NE |
| 01:22 | 1.00″ | Keya Paha County, NE |
| 01:25 | 1.00″ | St. Landry Parish, LA |
| 01:25 | 1.00″ | Hooker County, NE |
| 01:30 | 1.00″ | Nance County, NE |
| 01:40 | 1.00″ | Washington County, MD |
| 01:45 | 1.00″ | Suffolk County, NY |
| 01:52 | 1.00″ | Atchison County, MO |
| 02:00 | 1.00″ | Adams County, PA |
| 02:00 | 1.00″ | Lake County, OH |
| 02:03 | 1.00″ | Atchison County, MO |
| 02:04 | 1.00″ | Atchison County, MO |
| 02:05 | 1.00″ | Berkeley County, WV |
| 02:15 | 1.00″ | Washington County, MD |
| 02:35 | 1.00″ | Blount County, TN |
| 02:40 | 1.00″ | Lancaster County, NE |
| 02:44 | 1.00″ | Lancaster County, NE |
| 02:45 | 1.00″ | Washington County, MD |
| 02:49 | 1.00″ | Saline County, NE |
| 02:54 | 1.00″ | Culpeper County, VA |
| 03:23 | 1.00″ | Buchanan County, MO |
| 03:25 | 1.00″ | Buchanan County, MO |
| 03:50 | 1.00″ | Platte County, MO |
| 04:14 | 1.00″ | Madison County, NE |
| 04:25 | 1.00″ | Clay County, MO |
| 04:31 | 1.00″ | Clay County, MO |
| 04:41 | 1.00″ | Douglas County, KS |
| 05:25 | 1.00″ | Red Lake County, MN |
| 05:45 | 1.00″ | Polk County, MN |
| 05:55 | 1.00″ | Polk County, MN |
| 06:20 | 1.00″ | Becker County, MN |
| 06:25 | 1.00″ | Polk County, MN |
| 06:35 | 1.00″ | Clearwater County, MN |
| 06:40 | 1.00″ | Beltrami County, MN |
| 07:25 | 1.00″ | Cass County, MN |
| 08:00 | 1.00″ | Summit County, OH |
| 08:00 | 1.00″ | Summit County, OH |
| 08:07 | 1.00″ | Portage County, OH |
| 08:35 | 1.00″ | Portage County, OH |
| 08:35 | 1.00″ | Geauga County, OH |
| 10:20 | 1.00″ | Trumbull County, OH |
| 17:38 | 0.88″ | Knox County, NE |
| 18:40 | 0.88″ | Surry County, NC |
| 19:12 | 0.88″ | Bon Homme County, SD |
| 19:30 | 0.88″ | Albany County, NY |
| 21:15 | 0.88″ | Wayne County, MI |
| 21:16 | 0.88″ | Shelby County, IA |
| 21:40 | 0.88″ | Wayne County, MI |
| 22:25 | 0.88″ | Catawba County, NC |
| 22:40 | 0.88″ | Monona County, IA |
| 22:50 | 0.88″ | Oglala Lakota County, SD |
| 22:55 | 0.88″ | Chester County, PA |
| 23:10 | 0.88″ | Lucas County, OH |
| 23:30 | 0.88″ | Chester County, PA |
| 23:35 | 0.88″ | Lucas County, OH |
| 23:53 | 0.88″ | Wood County, OH |
| 00:15 | 0.88″ | Bon Homme County, SD |
| 00:23 | 0.88″ | Antelope County, NE |
| 00:30 | 0.88″ | Potter County, SD |
| 00:35 | 0.88″ | Montgomery County, PA |
| 00:48 | 0.88″ | Mills County, IA |
| 03:22 | 0.88″ | Buchanan County, MO |
| 06:30 | 0.88″ | Beltrami County, MN |
| 08:25 | 0.88″ | Geauga County, OH |
| 08:37 | 0.88″ | Geauga County, OH |
| 08:52 | 0.88″ | Geauga County, OH |
| 11:36 | 0.88″ | Lawrence County, PA |
| 11:42 | 0.88″ | Lawrence County, PA |
| 17:35 | 0.75″ | Orleans County, NY |
| 21:02 | 0.75″ | Posey County, IN |
| 21:17 | 0.75″ | Edwards County, IL |
| 21:25 | 0.75″ | Dixon County, NE |
| 21:51 | 0.75″ | Defiance County, OH |
| 22:06 | 0.75″ | Clay County, SD |
| 22:25 | 0.75″ | Cecil County, MD |
| 23:24 | 0.75″ | Lucas County, OH |
| 23:25 | 0.75″ | Adams County, IN |
| 23:26 | 0.75″ | Adams County, IN |
| 23:47 | 0.75″ | Lucas County, OH |
| 23:47 | 0.75″ | Trumbull County, OH |
| 23:47 | 0.75″ | Adams County, IN |
| 00:05 | 0.75″ | Harrison County, IA |
| 00:40 | 0.75″ | Burlington County, NJ |
| 00:40 | 0.75″ | Bucks County, PA |
| 00:55 | 0.75″ | Lake County, OH |
| 00:56 | 0.75″ | Cuyahoga County, OH |
| 01:00 | 0.75″ | Cuyahoga County, OH |
| 01:25 | 0.75″ | Ashtabula County, OH |
| 01:33 | 0.75″ | Lake County, OH |
| 03:45 | 0.75″ | Platte County, MO |
| 03:56 | 0.75″ | Leavenworth County, KS |
| 08:07 | 0.75″ | Summit County, OH |
Damage, injuries and deaths
National Weather Service offices recorded about $8.1 million in property damage, $3.5 million in crop damage and 11 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (524 events in 25 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Mills County, IA | 1 | 5 | 0 | – |
| Daviess County, MO | 4 | 2 | 0 | $12,000 |
| Lancaster County, NE | 1 | 2 | 0 | – |
| Pinal County, AZ | 5 | 1 | 0 | $1.3 million |
| Douglas County, NE | 1 | 1 | 0 | – |
| Yankton County, SD | 3 | 0 | 0 | $2.5 million |
| Nodaway County, MO | 3 | 0 | 0 | $1 million |
| Bennett County, SD | 3 | 0 | 0 | $935,000 |
| Lucas County, OH | 3 | 0 | 0 | $650,000 |
| Alexander County, NC | 1 | 0 | 0 | $500,000 |
| Dixon County, NE | 6 | 0 | 0 | $335,000 |
| Taylor County, IA | 9 | 0 | 0 | $238,000 |
What the National Weather Service wrote
- Mills County, IA (near Mineola) · Hail 3.00″ · 5 injuries
“Hail, some as large as around softball-size, was accompanied by thunderstorm winds estimated at 60 mph or stronger. The hail and strong winds caused considerable home and vehicle damage in the Mineola area, especially on the east side of the structures.” - Daviess County, MO (near Winston) · Thunderstorm wind 70 mph · $7,000 · 2 injuries
“A gas station awning was blown down. Two injuries were reported in a car underneath the fallen awning. Thunderstorm wind gusts were estimated up to 70 mph.” - Lancaster County, NE (near (Lnk)Lincoln Arpt) · Thunderstorm wind 60 mph · 2 injuries
“A thunderstorm wind gust was measured at 60 mph by the Asos at the Lincoln airport. The winds were from the first of 2 super-cell thunderstorms that tracked across the city on the 18th. The winds downed several trees which in turn caused damage to several homes in the city.” - Pinal County, AZ (near Eloy) · Thunderstorm wind 75 mph · $1 million · 1 injury
“Thunderstorm winds up to 75 mph impacted Eloy, Arizona when a microburst descended near the Volvo equipment rental facility. These strong winds resulted in significant damage in a divergent pattern across southeast portions of Eloy. A total of 20 homes sustained significant damage.” - Douglas County, NE (near Omaha) · Hail 4.25″ · 1 injury
“Hail up to softball-size fell across sections of northern and eastern Omaha from the first of 2 super-cell thunderstorms that tracked across the city on the 18th.” - Yankton County, SD (near (Ykn)Chan Gurney Arp) · Hail 1.75″ · $2 million
“Large hail up to golf ball size, driven by strong to damaging winds, caused widespread property and crop damage in and near Yankton. Numerous windows were broken, both in structures and in vehicles, roofs and siding were damaged in several homes and businesses, and trees were stripped.”
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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