Storm reports for August 31, 2014

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 31 →

On August 31, 2014, 57 hail, 197 damaging-wind and 36 tornado reports were logged across 20 states. The largest hail reported was 2.50″ (tennis ball size) in Mitchell County, KS.

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 (57)

Damage, injuries and deaths

National Weather Service offices recorded about $1.9 million in property damage and $2.4 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (307 events in 20 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Mitchell County, KS (near Beloit) · Hail 1.75″ · $250,000
  “Both law enforcement and CoCoRaHS observers reported a significant hail storm in Beloit, with comments including: all tender vegetation destroyed and damage to trees, buildings and automobiles.”
• Webster County, IA (near Dayton) · Tornado EF1 · $200,000
  “This small but potent tornado formed just over 3 miles north of Dayton and tracked nearly due east, destroying one hog confinement building and leaving a pronounced trail through multiple corn fields.”
• Woodbury County, IA (near Sergeant Bluff) · Thunderstorm wind 75 mph · $100,000
  “Thunderstorm winds overturned semi trucks on Interstate 29. The winds also caused tree damage, including large trees blown down. A few homes were damaged by falling trees or tree debris.”
• Grundy County, IA (near Holland) · Thunderstorm wind 70 mph · $100,000
  “At 9:45 p.m on 8/31 in Grundy County, Iowa just south of County HWY D25 on J Ave our farm lost 3/4 of it's machine shed roof on the SE side. Part of the roof landed straight east short of 300 ft to 400 ft down driveway and the other part west in front of the shed but on the NE side.”
• Hardin County, IA (near Buckeye) · Tornado EF1 · $100,000
  “This tornado moved into Hardin county from Hamilton county. This short segment did primarily crop damage but hit a farmstead before dissipating causing the destruction of two grain bins and badly damaging three outbuildings. This tornado was found and rated using high resolution satellite imagery.”
• Worcester County, MA (near South Worcester) · Tornado EF0 · $100,000
  “A tornado touchdown occurred near the intersection of Perry Avenue and Fairfax Road. A narrow well-defined damage path extended past Saint Vincent Hospital to Gordon Street. The most significant damage was to trees, some of which were uprooted or snapped.”

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