Storm reports for August 11, 2009

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 11 →

On August 11, 2009, 22 hail, 75 damaging-wind and 0 tornado reports were logged across 18 states. The largest hail reported was 1.75″ (golf ball size) in Putnam County, IN.

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 (22)

Damage, injuries and deaths

National Weather Service offices recorded about $452,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (97 events in 18 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Gordon County, GA (near Calhoun David Arpt) · Thunderstorm wind 64 mph · $150,000
  “The Calhoun Times reported that a thunderstorm downburst damaged two airplanes parked at the Tom B. David Airport, just south of Calhoun. Two Cessna 172s were damaged as the wind gusts pushed one airplane under the other. The airplanes were parked side-by-side an anchored by tie-down rings.”
• Oconee County, GA (near Bogart) · Thunderstorm wind 61 mph · $125,000
  “The Oconee County 911 Center reported that more than 15 trees and several power lines were down, especially across the eastern part of the county from just west of Bogart to near Barnett Shoals.”
• Marion County, OH (near La Rue) · Thunderstorm wind 58 mph · $20,000
  “Utility poles, power lines, and a tree was reported down throughout western portions of the county.”
• Barrow County, GA (near Winder Arpt) · Thunderstorm wind 61 mph · $15,000
  “The public measured a wind gust of 61 mph on home-based weather equipment. Further to the northwest, the awning of a BP gas station was damaged at the intersection of U.S. Highway 211 and Rockwell Church Road. Several trees and power lines were also down in the vicinity.”
• Clearfield County, PA (near Hepburna) · Thunderstorm wind 81 mph · $10,000
  “A thunderstorm produced downburst wind damage over a small area near Hepburna. Winds were generally estimated around 60 mph...but a small area of damage indicated peak winds near 80 mph. About 30 trees were either knocked down or snapped off.”
• Hamilton County, TN (near Red Bank) · Thunderstorm wind 63 mph · $10,000
  “Law enforcement personnel reported a few trees and powerlines downed by thunderstorm winds in Red Bank.”

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