Storm reports for July 31, 2009

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

← Jul 30, 2009 All 2009 storm days · July 2009 Aug 1, 2009 →

Other storms on July 31 →

On July 31, 2009, 54 hail, 160 damaging-wind and 10 tornado reports were logged across 21 states. The largest hail reported was 2.25″ (hen egg size) in Norton 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 (54)

Damage, injuries and deaths

National Weather Service offices recorded about $2.6 million in property damage, $732,000 in crop damage and 5 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (224 events in 21 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Cecil County, MD (near Aikin) · Thunderstorm wind 64 mph · $250,000 · 2 injuries
  “A severe thunderstorm knocked down numerous trees in Perryville as well as over turning five storage trailers and overturning two vehicles. One vehicle was pushed into a ditch on Ikea Way off of U.S. Route 7 and resulted in two injuries.”
• Burlington County, NJ (near Taunton Lake) · Thunderstorm wind 85 mph · $500,000 · 1 injury
  “A damaging microburst from a severe thunderstorm knocked down hundreds of trees and damaged dozens of homes in Medford Lakes Borough and Medford Township. Both municipalities declared states of emergency as there were approximately a combined 1,200 weather related calls in both municipalities.”
• Western Connecticut Planning Region, CT (near Westport) · Thunderstorm wind 60 mph · $8,000 · 1 injury
  “A large limb fell into a house, injuring an occupant.”
• Western Connecticut Planning Region, CT (near Greenfield Hill) · Thunderstorm wind 60 mph · $3,000 · 1 injury
  “A 15 inch diameter branch fell into a roof on a house on Greenport Lane, causing minor injuries to the occupant.”
• Norton County, KS (near Norton Muni Arpt) · Hail 1.75″ · $1 million
  “Golf ball sized hail reported at Prairie Dog State Park, which broke windows in 60 vehicles, caused serious damage to 40 campers, and damaged cabins at the park. Flooding was confined to roadside ditches according to park personnel.”
• Wake County, NC (near Holly Spgs) · Thunderstorm wind 58 mph · $100,000
  “Several trees were blown down on homes along Skymont Drive.”

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