National Storms

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HailWindTornado

2001 storm days

Storm reports for August 2, 2001

On August 2, 2001, 13 hail, 35 damaging-wind and 3 tornado reports were logged across 9 states.

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13hail reports
35damaging-wind reports
3tornado reports
1.75″largest hail reported

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

← Aug 1, 2001 All 2001 storm days · August 2001 Aug 3, 2001 →

Other storms on August 2 →

On August 2, 2001, 13 hail, 35 damaging-wind and 3 tornado reports were logged across 9 states. The largest hail reported was 1.75″ (golf ball size) in Union County, SD.

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

StateHailWindTornadoLargest hail
IA51601.75″
IL11200.88″
CO4021.75″
SD3201.75″
MO020–
FL001–
TN010–
OH010–
AZ010–

Cities with hail reported within 5 miles

CityPopulationLargest report
Sioux City, IA86,8751.75″
South Sioux City, NE13,9101.75″
North Sioux City, SD3,0591.75″

Hail reports (13)

Time (UTC)SizeLocation
12:451.75″Union County, SD
12:501.75″Woodbury County, IA
21:301.75″Adams County, CO
12:401.25″Union County, SD
12:421.25″Union County, SD
13:411.00″Cherokee County, IA
22:371.00″Weld County, CO
22:451.00″Weld County, CO
12:500.88″Woodbury County, IA
17:320.88″Marshall County, IA
21:320.88″Henry County, IL
12:450.75″Plymouth County, IA
22:350.75″Weld County, CO

Damage, injuries and deaths

National Weather Service offices recorded about $5.3 million in property damage, $86,000 in crop damage and 3 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (51 events in 9 states). Injuries and deaths are those the events caused directly.

CountyEventsInjuriesDeathsProperty damage
Scott County, IA120–
Plymouth County, IA210$70,000
Woodbury County, IA100$5 million
Union County, SD100$200,000
St. Lucie County, FL100$10,000
Sac County, IA200$10,000
Pocahontas County, IA100$5,000
Pinal County, AZ100$2,000
Calhoun County, IA100$2,000
Marshall County, IA100$1,000

What the National Weather Service wrote

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.

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