September 1997 storm reports: hail, wind and tornadoes
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In September 1997, 299 hail, 315 damaging-wind and 32 tornado reports were logged on 26 storm days across 43 states. The largest hail reported was 4.00″ (grapefruit size) in Rio Blanco County, CO on September 20, 1997. The most hail reports came on September 8, 1997 (77). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← August 1997 All 1997 storm days October 1997 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of September 1997
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Sep 8, 1997 | 77 | 39 | 4 | 1.75″ | 16 |
| Sep 19, 1997 | 7 | 42 | 1 | 1.75″ | 8 |
| Sep 10, 1997 | 33 | 12 | 2 | 1.75″ | 8 |
| Sep 9, 1997 | 17 | 28 | 1 | 1.75″ | 11 |
| Sep 16, 1997 | 1 | 44 | 0 | 0.75″ | 7 |
| Sep 14, 1997 | 30 | 12 | 0 | 2.50″ | 8 |
| Sep 11, 1997 | 19 | 16 | 2 | 2.00″ | 13 |
| Sep 18, 1997 | 12 | 13 | 7 | 3.00″ | 7 |
| Sep 1, 1997 | 9 | 18 | 0 | 2.00″ | 11 |
| Sep 12, 1997 | 16 | 9 | 1 | 1.75″ | 6 |
Largest hail reported in September 1997
| Day | Size | Location |
|---|---|---|
| Sep 20, 1997 | 4.00″ (grapefruit) | Rio Blanco County, CO |
| Sep 18, 1997 | 3.00″ (teacup) | Morrison County, MN |
| Sep 14, 1997 | 2.50″ (tennis ball) | Dewey County, SD |
| Sep 1, 1997 | 2.00″ (hen egg) | Pine County, MN |
| Sep 11, 1997 | 2.00″ (hen egg) | Henderson County, NC |
| Sep 18, 1997 | 2.00″ (hen egg) | St. Louis County, MN |
| Sep 18, 1997 | 2.00″ (hen egg) | Mille Lacs County, MN |
| Sep 1, 1997 | 1.75″ (golf ball) | Barron County, WI |
| Sep 4, 1997 | 1.75″ (golf ball) | Cherry County, NE |
| Sep 5, 1997 | 1.75″ (golf ball) | Sanders County, MT |
Storm reports by state, September 1997
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Kansas | 52 | 25 | 0 | 1.75″ |
| Texas | 21 | 50 | 1 | 1.75″ |
| Nebraska | 43 | 14 | 0 | 1.75″ |
| Wisconsin | 5 | 41 | 1 | 1.75″ |
| Michigan | 6 | 36 | 0 | 1.25″ |
| Georgia | 28 | 10 | 0 | 1.75″ |
| South Dakota | 21 | 8 | 2 | 2.50″ |
| Arizona | 9 | 17 | 1 | 1.75″ |
| Minnesota | 15 | 3 | 5 | 3.00″ |
| Oklahoma | 3 | 13 | 2 | 0.88″ |
| Montana | 11 | 4 | 1 | 1.75″ |
| North Dakota | 11 | 5 | 0 | 1.75″ |
| Idaho | 12 | 3 | 0 | 1.75″ |
| Colorado | 9 | 5 | 0 | 4.00″ |
| California | 5 | 7 | 1 | 1.60″ |
| North Carolina | 6 | 6 | 0 | 2.00″ |
| Oregon | 3 | 0 | 9 | 1.50″ |
| Utah | 10 | 2 | 0 | 1.75″ |
| Iowa | 2 | 9 | 0 | 1.00″ |
| New York | 0 | 10 | 1 | – |
| Virginia | 5 | 3 | 3 | 1.00″ |
| South Carolina | 2 | 5 | 1 | 1.75″ |
| Illinois | 0 | 7 | 0 | – |
| New Mexico | 5 | 2 | 0 | 1.00″ |
| Missouri | 5 | 1 | 0 | 1.00″ |
| Arkansas | 1 | 4 | 0 | 1.75″ |
| Louisiana | 2 | 3 | 0 | 0.75″ |
| Florida | 0 | 3 | 1 | – |
| Indiana | 0 | 4 | 0 | – |
| Nevada | 0 | 3 | 0 | – |
| Tennessee | 2 | 1 | 0 | 0.75″ |
| Alabama | 1 | 1 | 0 | 1.75″ |
| Connecticut | 0 | 2 | 0 | – |
| Mississippi | 1 | 1 | 0 | 0.75″ |
| New Jersey | 0 | 1 | 1 | – |
| Ohio | 1 | 1 | 0 | 0.75″ |
| Pennsylvania | 0 | 1 | 1 | – |
| Washington | 1 | 0 | 1 | 1.50″ |
| Delaware | 0 | 1 | 0 | – |
| Kentucky | 0 | 1 | 0 | – |
| Maryland | 0 | 1 | 0 | – |
| Maine | 1 | 0 | 0 | 0.75″ |
| Wyoming | 0 | 1 | 0 | – |
Every storm day in September 1997
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 16 Sep 17 Sep 18 Sep 19 Sep 20 Sep 21 Sep 22 Sep 23 Sep 24 Sep 25 Sep 29
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.