National Storms

July 1973 storm reports: hail, wind and tornadoes

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In July 1973, 137 hail, 335 damaging-wind and 80 tornado reports were logged on 31 storm days across 40 states. The largest hail reported was 4.00″ (grapefruit size) in Buffalo County, WI on July 3, 1973. The most hail reports came on July 1, 1973 (14). Tornadoes killed 1.

Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

← June 1973 All 1973 storm days August 1973 →

137hail reports
335wind reports
80tornado reports
4.00″largest hail
31storm days
Jul 1: 14Jul 2: 4Jul 3: 14Jul 4: 3Jul 5: 2Jul 6: 4Jul 7: 0Jul 8: 7Jul 9: 4Jul 10: 3Jul 11: 4Jul 12: 2Jul 13: 0Jul 14: 1Jul 15: 0Jul 16: 0Jul 17: 1Jul 18: 4Jul 19: 0Jul 20: 9Jul 21: 7Jul 22: 8Jul 23: 7Jul 24: 14Jul 25: 0Jul 26: 3Jul 27: 0Jul 28: 7Jul 29: 10Jul 30: 4Jul 31: 1Jul 1Jul 4Jul 7Jul 10Jul 13Jul 16Jul 19Jul 22Jul 25Jul 28Jul 31max 14
Hail reports by day, July 1973

Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.

Biggest storm days of July 1973

DayHailWindTornadoLargest hailStates
Jul 1, 19731462151.75″10
Jul 3, 1973144354.00″13
Jul 23, 1973712101.75″13
Jul 20, 197391621.75″8
Jul 2, 197342011.75″8
Jul 10, 197331841.75″9
Jul 29, 1973101312.50″9
Jul 8, 197371422.00″8
Jul 24, 197314622.75″5
Jul 4, 197331531.75″11

Largest hail reported in July 1973

DaySizeLocation
Jul 3, 19734.00″ (grapefruit)Buffalo County, WI
Jul 24, 19732.75″ (baseball)Baca County, CO
Jul 24, 19732.50″ (tennis ball)El Paso County, CO
Jul 29, 19732.50″ (tennis ball)Scott County, MN
Jul 3, 19732.00″ (hen egg)Dodge County, MN
Jul 3, 19732.00″ (hen egg)Grundy County, IA
Jul 8, 19732.00″ (hen egg)Hancock County, IA
Jul 11, 19732.00″ (hen egg)Lake of the Woods County, MN
Jul 28, 19732.00″ (hen egg)Lyon County, IA
Jul 29, 19732.00″ (hen egg)Carroll County, IA

Storm reports by state, July 1973

StateHailWindTornadoLargest hail
Nebraska234951.75″
Minnesota122662.50″
Iowa73322.00″
Ohio02910–
South Dakota919101.75″
Missouri72641.75″
Colorado23932.75″
Kansas71801.75″
Wisconsin61354.00″
Michigan4951.75″
Oklahoma31411.50″
North Dakota6731.75″
Texas4741.75″
Illinois2561.00″
Kentucky0101–
Pennsylvania3611.00″
New Mexico3511.75″
Wyoming3240.75″
Montana3401.50″
Georgia2401.50″
Florida2211.25″
Indiana023–
Louisiana1311.75″
Massachusetts1400.75″
Alabama1120.75″
Arizona040–
Idaho2110.75″
Tennessee040–
Maine1200.75″
North Carolina030–
New York030–
Utah030–
Arkansas1101.75″
South Carolina020–
Virginia1101.75″
Connecticut010–
Mississippi010–
New Jersey010–
Nevada001–
West Virginia010–

Every storm day in July 1973

Jul 1 Jul 2 Jul 3 Jul 4 Jul 5 Jul 6 Jul 7 Jul 8 Jul 9 Jul 10 Jul 11 Jul 12 Jul 13 Jul 14 Jul 15 Jul 16 Jul 17 Jul 18 Jul 19 Jul 20 Jul 21 Jul 22 Jul 23 Jul 24 Jul 25 Jul 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31

A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.