Storm reports for August 18, 2007

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 18 →

On August 18, 2007, 20 hail, 65 damaging-wind and 7 tornado reports were logged across 14 states. The largest hail reported was 1.75″ (golf ball size) in Daggett County, UT.

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 (20)

Damage, injuries and deaths

National Weather Service offices recorded about $1 million in property damage and 4 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (94 events in 14 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Blaine County, OK (near Geary) · Thunderstorm wind 85 mph · $84,000 · 2 injuries
  “Widespread wind damage was reported in and around Geary as strong winds battered the city for several hours. Numerous trees, power poles, and power lines were downed. The Fast Lane Food Mart had its awning ripped off. Numerous signs were blown over.”
• Grenada County, MS (near Elliott) · Thunderstorm wind 66 mph · $120,000 · 1 injury
  “Numerous trees and a few power lines were blown down, generally from Elliott to Grenada. A few trees were blown down at The Dogwoods Golf Course where a tree fell on a golf cart. One minor injury occurred from the fallen tree. Additionally, a few buildings in Grenada sustained some roof damaged.”
• Madison County, MT (near Virginia City) · Thunderstorm wind 60 mph · 1 injury
  “A severe thunderstorm produced a wind gust to 60 mph at Virginia City 2W. The strong wind blew a sign (2 feet by 2 feet) through a windshield of a car, injuring the driver.”
• Blaine County, OK (near Watonga) · Thunderstorm wind 81 mph · $500,000
  “Widespread wind damage was reported in and near Watonga. Prolonged high winds and numerous severe gusts occurred in and around Watonga from 1 am until around 415 am. 82 mph winds were reported at Watonga airport at 254 am before weather instruments stopped reporting.”
• Kiowa County, OK (near Hobart) · Tornado EF1 · $50,000
  “A tornado touched down to the east-southeast of Hobart and moved north. The tornado destroyed a large barn, and damaged power lines, numerous trees and farm implements. Monetary damages were estimated.”
• Grady County, OK (near Minco) · Tornado EF1 · $45,000
  “A tornado touched down just southeast of the center of the town of Minco and moved through the eastern portion of the town. At least four mobile homes in Minco were damaged, with one losing a significant portion of the exterior walls and roof.”

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