Storm reports for August 20, 2005

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 20 →

On August 20, 2005, 15 hail, 72 damaging-wind and 1 tornado reports were logged across 12 states. The largest hail reported was 1.25″ (half dollar size) in Pottawattamie County, IA.

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 (15)

Damage, injuries and deaths

National Weather Service offices recorded about $527,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (88 events in 12 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Medina County, OH (near Medina) · Tornado F1 · $175,000
  “Twin F1 tornadoes touched down north of the city of Medina in Medina Township around 4:20 PM. The tornadoes touched down on Marks Road about a half a mile north of Fenn Road. The tornadoes tracked east on the ground for about one hundred yards. The damage path was about seventy-five feet wide.”
• Washington County, PA (near Canonsburg) · Thunderstorm wind 60 mph · $30,000
  “Between Route 19 (Washington Rd) and Mc Clelland Rd, just west of Borland Manor, there were 18 instances of trees and power lines blown down. A few trees fell on cars and against houses.”
• Lawrence County, PA (near Wampum) · Thunderstorm wind 58 mph · $25,000
  “In Wampum, trees and power lines blew down; part of a church roof blew off. In New Castle, trees and power lines were blown down.”
• Beaver County, PA (near Beaver Falls) · Thunderstorm wind 58 mph · $20,000
  “Trees and power lines blown down onto a house.”
• Summit County, OH (near Barberton) · Thunderstorm wind 58 mph · $15,000
  “Numerous trees and power lines were reported down. A tree was reported to have fallen onto a house causing some roof damage.”
• Allegheny County, PA (near Carnegie) · Thunderstorm wind 58 mph · $10,000
  “Trees down in Carnegie, Dormont, Emsworth.”

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