Storm reports for August 17, 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 17 →

On August 17, 2009, 107 hail, 31 damaging-wind and 1 tornado reports were logged across 11 states. The largest hail reported was 4.00″ (grapefruit size) in Hansford County, TX.

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 (107)

Damage, injuries and deaths

National Weather Service offices recorded about $1.2 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (139 events in 11 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Kay County, OK (near Ponca City) · Thunderstorm wind 75 mph · $900,000
  “Widespread wind damage was reported over the southeast parts of Ponca City. The damage area was from S. 8th to S. 13th from South Ave north about 4 to 5 blocks. Numerous trees and power lines were blown down.”
• Wayne County, MI (near Grosse Ile Nas) · Thunderstorm wind 64 mph · $250,000
  “A couple dozen trees were blown down, some of which landed on a few homes.”
• Arapahoe County, CO (near Peoria) · Hail 1.50″ · $15,000
  “Some farm equipment and fiberglass structures were damaged by hail.”
• Butler County, KS (near Rosalia) · Thunderstorm wind 64 mph · $10,000
  “Strong straight-line winds tore a portion of roof away from a trailer home. Additionally, tree limbs and power lines were downed.”
• Logan County, IL (near Lincoln) · Thunderstorm wind 60 mph · $6,000
  “A 2-foot diameter tree was blown onto a house in Lincoln. The tree was partially dead.”
• Montgomery County, VA (near Fagg) · Thunderstorm wind 69 mph · $5,000
  “A microburst snapped off and uprooted numerous trees along North Fork Road.”

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