Storm reports for August 9, 2011

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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Other storms on August 9 →

On August 9, 2011, 177 hail, 239 damaging-wind and 4 tornado reports were logged across 20 states. The largest hail reported was 4.25″ (grapefruit size) in Rooks County, KS. 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

Cities with hail reported within 5 miles

Hail reports (177)

Damage, injuries and deaths

National Weather Service offices recorded about $5.6 million in property damage, $16.5 million in crop damage, 12 injuries and 2 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (423 events in 20 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Mayes County, OK (near Locust Grove) · Tornado EF2 · 1 death · 2 injuries
  “This is the third of three segments of this tornado. As the tornado crossed back into Mayes County, it destroyed a double wide mobile home and damaged a single wide mobile home just north of the E590 Road.”
• DeKalb County, IN (near Auburn) · Thunderstorm wind 63 mph · 1 death
  “Law enforcement officials reported multiple trees down along 7th Street. One of these trees in the 400 block of 7th Street, fell onto a westbound United Parcel Service truck, striking the driver compartment. The 46 year old male driver was killed instantly.”
• Creek County, OK (near Slick) · Thunderstorm wind 75 mph · $75,000 · 6 injuries
  “Strong thunderstorm wind destroyed a mobile home, injuring six people.”
• Red Willow County, NE (near Mc Cook) · Hail 1.75″ · $1,000 · 3 injuries
  “Hail sizes from one inch to 1.75 inches in diameter were reported. One person was injured at Wal-Mart while trying to move out of the way of broken glass falling from a skylight. A woman was injured when a hail stone struck her thumb, breaking it.”
• Pontotoc County, OK (near Allen) · Thunderstorm wind 64 mph · $4,000 · 1 injury
  “A manufactured home a quarter mile north of Allen was overturned. Three residents were inside, with one being injured slightly. Several sheet metal buildings were damaged. Several power poles/lines were downed. Monetary damages were estimated.”
• Beaver County, OK (near Forgan) · Thunderstorm wind 125 mph · $1.5 million
  “The Beaver County Emergency Managers Office reported that a total of five hog farms were damaged by the strong thunderstorm wind gusts. Two of the hog farms were significantly damaged with the roofs blown off along with damage to the sides of the buildings.”

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