Storm reports for August 15, 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 15 →

On August 15, 2009, 22 hail, 40 damaging-wind and 1 tornado reports were logged across 8 states. The largest hail reported was 1.75″ (golf ball size) in Rio Blanco County, CO.

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 $225,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (63 events in 8 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Cass County, IA (near Atlantic) · Thunderstorm wind 75 mph · $200,000
  “An apparent microburst downed trees and branches in Atlantic through the center of town between 10th and 11th street. The damage path was about 3 blocks long. Whole trees were downed, up to 3 feet in diameter.”
• Norton County, KS (near Norton) · Thunderstorm wind 70 mph · $10,000
  “Thunderstorm winds blew down fences, uprooted trees and broke a storefront window in the town of Norton. Time of event estimated from other storm reports and Doppler radar.”
• Rio Blanco County, CO (near Rangely) · Hail 1.75″ · $10,000
  “Golf ball sized hail struck the town of Rangely. Minor damage was reported, including shingle damage, dents in cars and a few broken windows.”
• Dixie County, FL (near Cross City) · Thunderstorm wind 58 mph · $3,000
  “Several trees and power lines were down across the central portion of the county.”
• Norton County, KS (near Norton) · Thunderstorm wind 64 mph · $0
  “Thunderstorm winds knocked down a 10-inch diameter by 30 foot long tree branch.”
• Thomas County, NE (near Thedford) · Thunderstorm wind 90 mph
  “The automated surface observing system at the Thedford airport reported a wind gust of 78 mph with sustained winds of 66 mph.”

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