Storm reports for May 20, 2012

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, 2012, 85 hail, 34 damaging-wind and 0 tornado reports were logged across 15 states. The largest hail reported was 2.50″ (tennis ball size) in King 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 (85)

Damage, injuries and deaths

National Weather Service offices recorded about $545,000 in property damage and $1,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (119 events in 15 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Lake County, IN (near Ross) · Thunderstorm wind 90 mph · $250,000
  “A microburst with estimated maximum wind speeds of 85 to 90 mph occurred in portions of unincorporated Gary. The damage path had a width of approximately a third of a mile and was confined to areas between 41st Avenue and 45th Avenue near Cleveland Street.”
• Jackson County, IL (near Murphysboro) · Hail 1.75″ · $100,000
  “Golf-ball size hail damaged cars, roofs, and siding.”
• Saline County, IL (near Muddy) · Thunderstorm wind 64 mph · $60,000
  “Trees were blown down. Some trees landed on houses and power lines. Traffic was stopped by debris. Wind-driven hail contributed to some of the damage.”
• Sangamon County, IL (near Pleasant Plains) · Thunderstorm wind 70 mph · $30,000
  “Several trees were blown down. The front of a garage was pulled out, and the roof was torn off an outbuilding.”
• Menard County, IL (near Petersburg) · Thunderstorm wind 72 mph · $14,000
  “A few trees were blown down and roofing was torn off a home.”
• Sangamon County, IL (near Williamsville) · Thunderstorm wind 60 mph · $12,000
  “A tree fell onto a vacant house in Williamsville.”

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