On the map: every storm report logged this day.
On the map
Storm reports for August 27, 2011
On August 27, 2011, 31 hail, 17 damaging-wind and 6 tornado reports were logged across 10 states.
FreeNo accountNo phone numberWe don’t keep the address
· 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
← Aug 26, 2011 All 2011 storm days · August 2011 Aug 28, 2011 →
On August 27, 2011, 31 hail, 17 damaging-wind and 6 tornado reports were logged across 10 states. The largest hail reported was 3.00″ (teacup size) in Potter 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 |
|---|---|---|---|---|
| SD | 19 | 1 | 0 | 3.00″ |
| MT | 6 | 4 | 0 | 1.75″ |
| ND | 6 | 1 | 0 | 1.75″ |
| AZ | 0 | 6 | 0 | – |
| CA | 0 | 4 | 0 | – |
| VA | 0 | 0 | 2 | – |
| NY | 0 | 0 | 2 | – |
| DE | 0 | 0 | 1 | – |
| NJ | 0 | 0 | 1 | – |
| FL | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Dickinson, ND | 25,695 | 1.75″ |
Hail reports (31)
| Time (UTC) | Size | Location |
|---|---|---|
| 10:15 | 3.00″ | Potter County, SD |
| 10:10 | 2.00″ | Potter County, SD |
| 22:45 | 1.75″ | Pennington County, SD |
| 23:05 | 1.75″ | Pennington County, SD |
| 04:40 | 1.75″ | Roosevelt County, MT |
| 07:05 | 1.75″ | Stark County, ND |
| 09:45 | 1.75″ | Campbell County, SD |
| 11:05 | 1.75″ | Hanson County, SD |
| 02:50 | 1.50″ | Daniels County, MT |
| 09:00 | 1.50″ | Emmons County, ND |
| 09:20 | 1.50″ | Emmons County, ND |
| 02:40 | 1.25″ | Daniels County, MT |
| 11:25 | 1.25″ | Bon Homme County, SD |
| 22:22 | 1.00″ | Pennington County, SD |
| 02:42 | 1.00″ | Daniels County, MT |
| 03:09 | 1.00″ | Divide County, ND |
| 09:35 | 1.00″ | Aurora County, SD |
| 10:20 | 1.00″ | Walworth County, SD |
| 11:00 | 1.00″ | Hanson County, SD |
| 11:00 | 1.00″ | Faulk County, SD |
| 11:30 | 1.00″ | Bon Homme County, SD |
| 11:52 | 1.00″ | McCook County, SD |
| 02:00 | 0.88″ | Daniels County, MT |
| 07:09 | 0.88″ | Stark County, ND |
| 09:30 | 0.88″ | Grant County, ND |
| 10:50 | 0.88″ | Hanson County, SD |
| 11:30 | 0.88″ | Bon Homme County, SD |
| 04:45 | 0.75″ | Roosevelt County, MT |
| 10:45 | 0.75″ | Tripp County, SD |
| 11:00 | 0.75″ | Tripp County, SD |
| 11:00 | 0.75″ | Potter County, SD |
Damage, injuries and deaths
National Weather Service offices recorded about $372,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (54 events in 10 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Virginia Beach city, VA | 1 | 0 | 0 | $150,000 |
| Yuma County, AZ | 2 | 0 | 0 | $80,000 |
| San Bernardino County, CA | 2 | 0 | 0 | $41,000 |
| Mohave County, AZ | 1 | 0 | 0 | $25,000 |
| Mercer County, NJ | 1 | 0 | 0 | $25,000 |
| Accomack County, VA | 1 | 0 | 0 | $25,000 |
| Pima County, AZ | 1 | 0 | 0 | $20,000 |
| Pennington County, SD | 1 | 0 | 0 | $5,000 |
| St. Lucie County, FL | 1 | 0 | 0 | $1,000 |
What the National Weather Service wrote
- Virginia Beach city, VA (near Sigma) · Tornado EF0 · $150,000
“Weak tornado (EF0) severely damaged a home on Sandpiper Road. There was also minor damage to one other home.” - Yuma County, AZ (near El Pueblecito) · Thunderstorm wind 60 mph · $75,000
“Scattered strong thunderstorms moved across the community of Yuma during the late evening hours on August 27th. The storms produced gusty and damaging winds estimated to be in excess of 60 mph.” - San Bernardino County, CA (near Lenwood) · Thunderstorm wind 60 mph · $40,000
“Five power poles were blown down, knocking out electricity to about 900 homes.” - Mohave County, AZ (near Franconia) · Thunderstorm wind 64 mph · $25,000
“Thunderstorm winds blew over a block wall at a residence in Havasu Heights, damaging the exterior of a sunroom. The storm then blew over a camper on Interstate 40 near Arizona mile marker 13.” - Mercer County, NJ (near Hightstown) · Tornado EF0 · $25,000
“An EF-0 tornado touched down in Robbinsville Township about 3 a.m. EDT on the 28th. The tornado touched down in a Mercer County Park, crossed Perrineville Road and lifted just southwest of Woods Road. Numerous trees were knocked down, along with several electric poles and wires.” - Accomack County, VA (near Chincoteague) · Tornado EF0 · $25,000
“Weak tornado (EF0) downed trees and caused minor roof 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.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
Hail check for any US address
Every day since October 2019 that radar estimated hail near the address, free.
Guide: How to check if it hailed at your address · Free hail alerts by email · As you type, the text is sent to Google to suggest addresses.