August 1973 storm reports: hail, wind and tornadoes
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In August 1973, 153 hail, 297 damaging-wind and 51 tornado reports were logged on 31 storm days across 40 states. The largest hail reported was 3.00″ (teacup size) in Adams County, NE on August 8, 1973. The most hail reports came on August 8, 1973 (16). Tornadoes killed 4.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1973 All 1973 storm days September 1973 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1973
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 12, 1973 | 9 | 30 | 4 | 2.75″ | 14 |
| Aug 8, 1973 | 16 | 11 | 6 | 3.00″ | 8 |
| Aug 28, 1973 | 15 | 12 | 4 | 2.00″ | 6 |
| Aug 20, 1973 | 9 | 16 | 3 | 1.75″ | 10 |
| Aug 11, 1973 | 9 | 17 | 1 | 2.50″ | 10 |
| Aug 31, 1973 | 4 | 17 | 6 | 2.00″ | 11 |
| Aug 13, 1973 | 3 | 16 | 3 | 2.75″ | 7 |
| Aug 19, 1973 | 0 | 19 | 3 | – | 8 |
| Aug 9, 1973 | 2 | 17 | 2 | 2.75″ | 11 |
| Aug 10, 1973 | 3 | 17 | 1 | 2.00″ | 10 |
Largest hail reported in August 1973
| Day | Size | Location |
|---|---|---|
| Aug 8, 1973 | 3.00″ (teacup) | Adams County, NE |
| Aug 8, 1973 | 3.00″ (teacup) | Webster County, NE |
| Aug 9, 1973 | 2.75″ (baseball) | Phillips County, CO |
| Aug 12, 1973 | 2.75″ (baseball) | Perkins County, NE |
| Aug 13, 1973 | 2.75″ (baseball) | Jefferson County, AL |
| Aug 17, 1973 | 2.75″ (baseball) | Walsh County, ND |
| Aug 17, 1973 | 2.75″ (baseball) | Walsh County, ND |
| Aug 17, 1973 | 2.75″ (baseball) | Polk County, ND |
| Aug 18, 1973 | 2.75″ (baseball) | Green Lake County, WI |
| Aug 27, 1973 | 2.75″ (baseball) | Mobile County, AL |
Storm reports by state, August 1973
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Nebraska | 20 | 17 | 0 | 3.00″ |
| Kansas | 15 | 18 | 1 | 2.00″ |
| North Dakota | 22 | 9 | 1 | 2.75″ |
| South Dakota | 11 | 10 | 5 | 1.75″ |
| New York | 7 | 15 | 3 | 2.00″ |
| Ohio | 1 | 21 | 3 | 0.75″ |
| Michigan | 0 | 20 | 4 | – |
| Wisconsin | 10 | 11 | 3 | 2.75″ |
| Missouri | 4 | 17 | 0 | 1.75″ |
| Pennsylvania | 1 | 20 | 0 | 0.75″ |
| Minnesota | 5 | 12 | 3 | 1.75″ |
| Texas | 8 | 4 | 8 | 2.00″ |
| Iowa | 4 | 14 | 0 | 2.00″ |
| Montana | 4 | 13 | 1 | 1.00″ |
| Colorado | 10 | 5 | 2 | 2.75″ |
| Massachusetts | 7 | 8 | 1 | 2.00″ |
| Illinois | 3 | 5 | 5 | 1.75″ |
| Florida | 4 | 5 | 1 | 1.00″ |
| Connecticut | 4 | 4 | 1 | 1.50″ |
| Arizona | 1 | 6 | 1 | 1.00″ |
| Indiana | 1 | 6 | 1 | 1.75″ |
| South Carolina | 1 | 5 | 1 | 1.75″ |
| Alabama | 3 | 3 | 0 | 2.75″ |
| California | 0 | 5 | 1 | – |
| North Carolina | 0 | 6 | 0 | – |
| Georgia | 1 | 3 | 1 | 1.75″ |
| Kentucky | 1 | 4 | 0 | 1.75″ |
| Maryland | 0 | 5 | 0 | – |
| Oklahoma | 0 | 4 | 1 | – |
| Tennessee | 0 | 5 | 0 | – |
| Maine | 1 | 2 | 1 | 1.50″ |
| Wyoming | 0 | 3 | 1 | – |
| New Hampshire | 2 | 1 | 0 | 1.75″ |
| Nevada | 0 | 3 | 0 | – |
| Utah | 0 | 3 | 0 | – |
| Arkansas | 0 | 1 | 1 | – |
| New Jersey | 0 | 2 | 0 | – |
| Vermont | 1 | 1 | 0 | 1.75″ |
| New Mexico | 1 | 0 | 0 | 2.00″ |
| Virginia | 0 | 1 | 0 | – |
Every storm day in August 1973
Aug 1 Aug 2 Aug 3 Aug 4 Aug 5 Aug 6 Aug 7 Aug 8 Aug 9 Aug 10 Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16 Aug 17 Aug 18 Aug 19 Aug 20 Aug 21 Aug 22 Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30 Aug 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.