September 1973 storm reports: hail, wind and tornadoes
IndependentNot affiliated with NOAA or the National Weather Service.
In September 1973, 71 hail, 123 damaging-wind and 69 tornado reports were logged on 28 storm days across 39 states. The largest hail reported was 4.50″ (softball size) in Albany County, WY on September 8, 1973. The most hail reports came on September 21, 1973 (21). Tornadoes killed 3.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← August 1973 All 1973 storm days October 1973 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of September 1973
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Sep 21, 1973 | 21 | 18 | 4 | 3.00″ | 6 |
| Sep 25, 1973 | 3 | 10 | 19 | 2.75″ | 6 |
| Sep 4, 1973 | 4 | 16 | 4 | 2.50″ | 6 |
| Sep 2, 1973 | 7 | 9 | 2 | 2.50″ | 10 |
| Sep 24, 1973 | 1 | 10 | 6 | 2.75″ | 6 |
| Sep 3, 1973 | 3 | 9 | 2 | 1.75″ | 7 |
| Sep 8, 1973 | 8 | 1 | 2 | 4.50″ | 3 |
| Sep 18, 1973 | 2 | 4 | 5 | 1.75″ | 4 |
| Sep 5, 1973 | 0 | 8 | 2 | – | 5 |
| Sep 12, 1973 | 4 | 4 | 2 | 1.75″ | 4 |
Largest hail reported in September 1973
| Day | Size | Location |
|---|---|---|
| Sep 8, 1973 | 4.50″ (softball) | Albany County, WY |
| Sep 21, 1973 | 3.00″ (teacup) | Ogle County, IL |
| Sep 30, 1973 | 3.00″ (teacup) | Menard County, TX |
| Sep 14, 1973 | 2.75″ (baseball) | Scotts Bluff County, NE |
| Sep 21, 1973 | 2.75″ (baseball) | Tama County, IA |
| Sep 21, 1973 | 2.75″ (baseball) | Barron County, WI |
| Sep 21, 1973 | 2.75″ (baseball) | Black Hawk County, IA |
| Sep 24, 1973 | 2.75″ (baseball) | Linn County, KS |
| Sep 25, 1973 | 2.75″ (baseball) | Saline County, KS |
| Sep 2, 1973 | 2.50″ (tennis ball) | Becker County, MN |
Storm reports by state, September 1973
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Iowa | 11 | 14 | 8 | 2.75″ |
| Kansas | 5 | 9 | 17 | 2.75″ |
| Texas | 6 | 14 | 5 | 3.00″ |
| Oklahoma | 9 | 11 | 3 | 2.50″ |
| Pennsylvania | 1 | 16 | 0 | 0.75″ |
| Nebraska | 10 | 4 | 2 | 2.75″ |
| Illinois | 4 | 5 | 3 | 3.00″ |
| Missouri | 0 | 7 | 3 | – |
| Colorado | 6 | 0 | 3 | 1.75″ |
| New York | 1 | 5 | 2 | 0.75″ |
| Wisconsin | 5 | 3 | 0 | 2.75″ |
| North Carolina | 1 | 4 | 2 | 1.75″ |
| Florida | 1 | 5 | 0 | 0.75″ |
| Louisiana | 0 | 0 | 5 | – |
| Massachusetts | 1 | 3 | 1 | 1.75″ |
| Wyoming | 4 | 0 | 1 | 4.50″ |
| Connecticut | 0 | 0 | 4 | – |
| Ohio | 0 | 4 | 0 | – |
| Indiana | 1 | 1 | 1 | 0.75″ |
| Kentucky | 0 | 2 | 1 | – |
| Maryland | 0 | 3 | 0 | – |
| Minnesota | 1 | 0 | 2 | 2.50″ |
| Arkansas | 0 | 0 | 2 | – |
| Michigan | 0 | 2 | 0 | – |
| Mississippi | 0 | 0 | 2 | – |
| New Mexico | 1 | 1 | 0 | 1.75″ |
| South Carolina | 1 | 1 | 0 | 0.75″ |
| Utah | 0 | 2 | 0 | – |
| Delaware | 0 | 1 | 0 | – |
| Georgia | 0 | 1 | 0 | – |
| Maine | 0 | 1 | 0 | – |
| North Dakota | 1 | 0 | 0 | 0.88″ |
| New Jersey | 0 | 1 | 0 | – |
| Oregon | 0 | 0 | 1 | – |
| Rhode Island | 0 | 1 | 0 | – |
| South Dakota | 0 | 0 | 1 | – |
| Tennessee | 0 | 1 | 0 | – |
| Virginia | 0 | 1 | 0 | – |
| Washington | 1 | 0 | 0 | 1.00″ |
Every storm day in September 1973
Sep 1 Sep 2 Sep 3 Sep 4 Sep 5 Sep 6 Sep 7 Sep 8 Sep 9 Sep 10 Sep 11 Sep 12 Sep 13 Sep 14 Sep 15 Sep 18 Sep 19 Sep 20 Sep 21 Sep 22 Sep 23 Sep 24 Sep 25 Sep 26 Sep 27 Sep 28 Sep 29 Sep 30
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.