Storm reports for August 18, 2003

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 August 18 →

On August 18, 2003, 46 hail, 55 damaging-wind and 0 tornado reports were logged across 11 states. The largest hail reported was 2.75″ (baseball size) in Douglas County, CO.

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 (46)

Damage, injuries and deaths

National Weather Service offices recorded about $592,000 in property damage and $760,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (101 events in 11 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Platte County, NE (near Columbus) · Thunderstorm wind 75 mph · $300,000
  “A possible thunderstorm microburst hit around a 1 mile area northwest of Columbus. The winds, estimated at over 70 mph, took a tin roof off of local power company cement block building. Four garage doors on that building were also destroyed or heavily damaged.”
• Nobles County, MN (near Brewster) · Thunderstorm wind 70 mph · $100,000
  “Thunderstorm winds caused widespread tree damage. Several houses were damaged by falling trees and wind blown tree debris. A roof was blown off a home northwest of Brewster.”
• Woodbury County, IA (near Sloan) · Thunderstorm wind 70 mph · $50,000
  “Thunderstorm winds caused tree damage, including large trees down. Power lines were also blown down, causing a power outage. A semi truck was blown over and damaged near Sloan.”
• Dakota County, NE (near Homer) · Thunderstorm wind 70 mph · $10,000
  “Thunderstorm winds caused tree damage, including several trees down. One tree fell on and damaged a house.”
• Currituck County, NC (near Moyock) · Thunderstorm wind 58 mph · $2,000
  “Large tree down onto Universal Boulevard in Carolina Village Subdivision. Large tree limbs and power lines down.”
• Washington County, CO (near Anton) · Thunderstorm wind 90 mph
  “Intense thunderstorm winds knocked a semi-trailer on its side.”

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