Storm reports for May 20, 2013

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 20 →

On May 20, 2013, 159 hail, 256 damaging-wind and 38 tornado reports were logged across 18 states. The largest hail reported was 4.25″ (grapefruit size) in Osage County, OK. Tornadoes killed 24.

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 (159)

Damage, injuries and deaths

National Weather Service offices recorded about $2 billion in property damage, $31,000 in crop damage, 215 injuries and 26 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (459 events in 18 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Cleveland County, OK (near Moore) · Tornado EF5 · $2 billion · 24 deaths · 207 injuries
  “The violent Newcastle-Moore tornado moved into Cleveland County from McClain County as it moved northeast across the Canadian River near Interstate 44. The tornado then turned more east and then east-northeast after crossing Interstate 44.”
• Washington County, AR (near Springdale Muni Arpt) · Thunderstorm wind 64 mph · $2,000 · 1 death
  “Strong thunderstorm wind damaged the sign of a business. The debris from the sign blew across Highway 412, struck a car in the driver side window, and killed the driver instantly.”
• Marion County, FL (near Ocala West) · Thunderstorm wind 58 mph · 1 death
  “A tree was blown down onto two cars. One man was killed.”
• McClain County, OK (near Newcastle) · Tornado EF4 · 5 injuries
  “The violent Newcastle-Moore tornado was first observed developing about one-half mile south of State Highway 37 in northwest Newcastle to the east of Rockwell Avenue. EF4 damage was observed soon after the tornado crossed State Highway 37.”
• Macoupin County, IL (near Mt Olive) · Tornado EF2 · 3 injuries
  “A tornado touched down in the downtown portion of Mt. Olive and traveled to the east. The damage path was 4 blocks long and ranged from 50 to 75 yards wide. The second story of a brick building was blown off. Large sections of several roofs were blown 2 blocks to the north.”
• Ottawa County, OK (near Ottawa) · Tornado EF2 · $1 million
  “This tornado snapped or uprooted numerous trees and damaged numerous homes. It moved east-northeast for several miles but turned more easterly after crossing the Neosho River.”

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