Storm reports for July 21, 2013

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 July 21 →

On July 21, 2013, 54 hail, 35 damaging-wind and 6 tornado reports were logged across 20 states. The largest hail reported was 2.75″ (baseball size) in Morton County, ND.

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 (54)

Damage, injuries and deaths

National Weather Service offices recorded about $3.1 million in property damage and $1.1 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (97 events in 20 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Mahnomen County, MN (near Mahnomen) · Tornado EF2 · $1 million
  “This tornado continued into Clearwater County, where it lifted at about 0130 am CST, west-northwest of Zerkel. The tornado damaged structures at three locations along the route with long tracks of tree and crop damage evident. Peak winds were estimated at 115 mph.”
• Clearwater County, MN (near Zerkel) · Tornado EF2 · $750,000
  “This tornado began in Mahnomen County, just southeast of Mahnomen, at 12:50 am CST. The total tornado track was about 21 miles. The tornado damaged structures at three locations along the route with long tracks of tree and crop damage. Peak winds were estimated at 115 mph.”
• Lake of the Woods County, MN (near Clementson) · Thunderstorm wind 105 mph · $500,000
  “A microburst damage area was produced across the northeast quarter of section 30 in Rapid River Township. The downburst initiated across the southwest corner of a farmstead and projected to the east and northeast across the farmyard.”
• Clearwater County, MN (near Berner) · Thunderstorm wind 81 mph · $300,000
  “A downburst wind damage path developed across west central Greenwood Township. Numerous trees were toppled with some falling on the Greenwood Township Hall roof. A one to two mile wide swath of wind damage extended for over three miles and indicated peak winds of 60 to 80 mph.”
• Dunn County, ND (near Halliday) · Hail 2.50″ · $105,000
  “The large hail damaged vehicles and homes in the city of Halliday.”
• Hubbard County, MN (near Chamberlain) · Thunderstorm wind 75 mph · $100,000
  “Many trees were damaged and tin roof panels were peeled off of a shed.”

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