Storm reports for May 11, 2004

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 11 →

On May 11, 2004, 109 hail, 43 damaging-wind and 10 tornado reports were logged across 13 states. The largest hail reported was 4.50″ (softball size) in Wilkin County, MN.

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 (109)

Damage, injuries and deaths

National Weather Service offices recorded about $1.3 million in property damage and $70,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (163 events in 13 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Montgomery County, TX (near Conroe) · Tornado F1 · $359,000
  “F1 tornado on the south side of Conroe caused significant roof, window and wall damage to around eight residential homes in the Rivershire Subdivision and a few local businesses, including a car dealership that had signs and light poles blown down onto parked vehicles.”
• Hartley County, TX (near Hartley) · Thunderstorm wind 110 mph · $180,000
  “A rear flank downdraft or very strong downburst winds derailed fifteen train cars and approximately six power poles were snapped. The derailed trains cars blocked traffic on U.S. Highway 385. An official damage survey was made on this event.”
• Ottawa County, MI (near Zeeland) · Hail 1.75″ · $50,000
  “One and three quarters inch diameter hail was reported by the public one mile east of Zeeland.”
• Kent County, MI (near Grand Rapids) · Hail 0.75″ · $30,000
  “Three quarters inch diameter hail and wind gusts to around 60 m.p.h. were reported in the city of Grand Rapids and about two miles west of Ada.”
• Allegan County, MI (near Fennville) · Thunderstorm wind 61 mph · $25,000
  “A 60 m.p.h. wind gust was reported by the general public in Fennville.”
• Lavaca County, TX (near Halletsville) · Thunderstorm wind 69 mph · $20,000
  “A cooperative observer reported trees blown down with lots of minor wind damage in the Hallettsville area.”

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