Storm reports for May 21, 2011

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 May 21 →

On May 21, 2011, 283 hail, 36 damaging-wind and 18 tornado reports were logged across 13 states. The largest hail reported was 5.25″ (softball size) in Shawnee County, KS. Tornadoes killed 1.

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 (283)

Damage, injuries and deaths

National Weather Service offices recorded about $3.9 million in property damage, $1.6 million in crop damage, 6 injuries and 1 death from hail, thunderstorm wind and tornadoes across the US on this storm day (340 events in 13 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Lyon County, KS (near Reading) · Tornado EF3 · $2.3 million · 1 death · 5 injuries
  “Another tornado developed 3 miles southwest of Reading. This tornado proceeded to hit the town of Reading producing EF3 damage in the city. The tornado continued on a path that took it into Osage County Kansas where it produced additional damage before lifting approximately 4 miles south of Osage…”
• Shawnee County, KS (near (Top)Billard Arpt To) · Hail 2.50″ · 1 injury
  “Hail broke car windows at 6th and Croco Road. One injury was reported from the broken windows.”
• York County, NE (near York) · Hail 3.00″ · $1 million
  “Hail up to 3 inches in diameter fell in York for several minutes. The roof of a city elementary school was totaled by the hail.”
• Williamson County, TX (near Andice) · Tornado EF0 · $100,000
  “The National Weather Service conducted a damage survey near the Andice area in western Williamson County. Talking to several local residents have brought the conclusion that the initial spin up of the weak tornado occurred around 9pm and|lasted probably 5 minutes as it tracked to the North…”
• Wilson County, TN (near West End Hgts) · Thunderstorm wind 63 mph · $50,000
  “Near Lebanon, several trees and power lines were downed. A tree was blown onto a house. A roof was blown off a business. Specific information concerning any damage to the house and what type of building that had the roof blown off was unknown.”
• Coryell County, TX (near Bee House) · Thunderstorm wind 70 mph · $25,000
  “Several homes suffered roof damage in downtown Evant due to high winds. The metal roof of the old firehouse was torn off and several large trees were also knocked down.”

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