Storm reports for May 20, 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 20 →

On May 20, 2011, 88 hail, 18 damaging-wind and 6 tornado reports were logged across 11 states. The largest hail reported was 1.75″ (golf ball size) in Mills County, TX.

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 (88)

Damage, injuries and deaths

National Weather Service offices recorded about $291,000 in property damage and 2 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (112 events in 11 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Benton County, AR (near Rogers) · Thunderstorm wind 66 mph · $10,000 · 2 injuries
  “A tree was blown down onto a car injuring two people.”
• Prairie County, MT (near Terry) · Tornado EF1 · $75,000
  “At approximately 8:27pm on May 20, a tornado struck a ranch 8 miles south of Terry on 10 Mile Road. The tornado was observed by a resident of the house on the ranch. The house itself received no damage, though it was about 150 feet away from observed damage.”
• Navarro County, TX (near Rice) · Thunderstorm wind 70 mph · $45,000
  “Thunderstorm winds blew the roof off one home and damaged 2 other structures near the intersection of County Roads 1040 and 1060. Numerous trees were also blown down in the area. This location is approximately one and a half miles northeast of Rice.”
• Van Zandt County, TX (near Wills Pt) · Thunderstorm wind 68 mph · $45,000
  “The roof was blown off the Old Rose Dry Goods building near the intersection of James and 4th streets. Five apartments were damaged. Power lines were also blown down in the area.”
• Mayes County, OK (near Murphy) · Tornado EF1 · $35,000
  “A tornado damaged metal buildings, uprooted several metal fence posts, snapped a large hardwood tree, snapped numerous large tree limbs, and destroyed a storage shed. Maximum estimated wind in the tornado based on this damage was about 90 mph.”
• Hot Spring County, AR (near Ebenezer) · Tornado EF0 · $25,000
  “Many large limbs and a few trees were blown down. At an apartment complex, shingles were blown off most of the roofs. Several houses also had shingles taken off.”

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