Storm reports for May 1, 2001

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

← Apr 30, 2001 All 2001 storm days · May 2001 May 2, 2001 →

Other storms on May 1 →

On May 1, 2001, 112 hail, 20 damaging-wind and 10 tornado reports were logged across 8 states. The largest hail reported was 4.00″ (grapefruit size) in Chisago 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 (112)

Damage, injuries and deaths

National Weather Service offices recorded about $61.4 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (143 events in 8 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Freeborn County, MN (near Glenville) · Tornado F2 · $20 million
  “Tornado first touched down on the western fringe of Glenville, and produced major damage, especially on the northwest side of Glenville. There were 25 homes that sustained major damage, and 70 with minor damage.”
• Pierce County, WI (near River Falls) · Hail 2.75″ · $20 million
  “Wind driven baseball size hail damaged houses and vehicles, and knocked out hundreds of windows on the south side of town. The local University was particularly hard hit, including a greenhouse that was destroyed.”
• Hennepin County, MN (near Minneapolis) · Hail 2.00″ · $10 million
  “Reported at 60th and Penn. Ave. Damage estimate pertains to all of the hail reports across Hennepin County. Numerous buildings and vehicles damaged.”
• St. Croix County, WI (near River Falls) · Hail 1.75″ · $3 million
  “Wind driven hail damaged numerous homes and vehicles on the north side of River Falls.”
• Freeborn County, MN (near Oakland) · Tornado F2 · $2 million
  “Shortly after the Glenville tornado dissipated, another tornado formed 4 miles southwest of Oakland and dissipated about 1/2 mile before it would have crossed Interstate 90, which law enforcement had barricaded. Major damage to 3 farmsteads, minor damage to 8 others per damage survey.”
• Ramsey County, MN (near St Paul) · Hail 1.25″ · $2 million
  “Observed at the Univeristy of Minnesota St. Paul campus. Damage estimate pertains to all the hail reports from Ramsey County. Numerous vehicles and buildings damaged.”

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