August 1997 storm reports: hail, wind and tornadoes
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In August 1997, 776 hail, 1,215 damaging-wind and 84 tornado reports were logged on 31 storm days across 47 states. The largest hail reported was 4.50″ (softball size) in Clark County, KS on August 20, 1997. The most hail reports came on August 16, 1997 (62). Tornadoes killed 1.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1997 All 1997 storm days September 1997 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1997
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 16, 1997 | 62 | 277 | 12 | 3.50″ | 22 |
| Aug 17, 1997 | 21 | 142 | 6 | 1.75″ | 21 |
| Aug 21, 1997 | 43 | 89 | 5 | 4.00″ | 10 |
| Aug 20, 1997 | 55 | 70 | 3 | 4.50″ | 14 |
| Aug 14, 1997 | 32 | 82 | 6 | 2.75″ | 13 |
| Aug 3, 1997 | 60 | 56 | 3 | 3.00″ | 16 |
| Aug 2, 1997 | 52 | 30 | 2 | 4.00″ | 11 |
| Aug 4, 1997 | 22 | 60 | 1 | 2.00″ | 16 |
| Aug 5, 1997 | 43 | 36 | 4 | 2.75″ | 13 |
| Aug 28, 1997 | 38 | 29 | 5 | 1.75″ | 13 |
Largest hail reported in August 1997
| Day | Size | Location |
|---|---|---|
| Aug 20, 1997 | 4.50″ (softball) | Clark County, KS |
| Aug 31, 1997 | 4.50″ (softball) | Stutsman County, ND |
| Aug 31, 1997 | 4.50″ (softball) | Stutsman County, ND |
| Aug 31, 1997 | 4.50″ (softball) | Kidder County, ND |
| Aug 2, 1997 | 4.00″ (grapefruit) | Pennington County, SD |
| Aug 21, 1997 | 4.00″ (grapefruit) | Dundy County, NE |
| Aug 16, 1997 | 3.50″ (teacup) | Prowers County, CO |
| Aug 3, 1997 | 3.00″ (teacup) | Green Lake County, WI |
| Aug 16, 1997 | 3.00″ (teacup) | Prowers County, CO |
| Aug 2, 1997 | 2.75″ (baseball) | Griggs County, ND |
Storm reports by state, August 1997
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Kansas | 79 | 69 | 7 | 4.50″ |
| Nebraska | 103 | 36 | 10 | 4.00″ |
| Oklahoma | 36 | 82 | 1 | 2.00″ |
| Ohio | 19 | 92 | 6 | 1.75″ |
| Pennsylvania | 6 | 88 | 5 | 1.00″ |
| Texas | 25 | 68 | 3 | 1.75″ |
| North Dakota | 57 | 27 | 9 | 4.50″ |
| Minnesota | 45 | 27 | 5 | 1.75″ |
| Montana | 37 | 39 | 0 | 2.00″ |
| Colorado | 51 | 11 | 4 | 3.50″ |
| Illinois | 16 | 45 | 2 | 1.75″ |
| Arizona | 11 | 50 | 1 | 1.75″ |
| Arkansas | 13 | 42 | 2 | 1.75″ |
| New York | 19 | 38 | 0 | 1.75″ |
| South Dakota | 37 | 18 | 2 | 4.00″ |
| Kentucky | 13 | 40 | 1 | 2.00″ |
| Tennessee | 6 | 44 | 0 | 2.75″ |
| West Virginia | 5 | 44 | 0 | 0.88″ |
| Iowa | 16 | 28 | 4 | 1.75″ |
| North Carolina | 22 | 26 | 0 | 2.75″ |
| Florida | 13 | 26 | 5 | 1.00″ |
| Wisconsin | 24 | 16 | 0 | 3.00″ |
| Missouri | 3 | 36 | 0 | 1.75″ |
| Michigan | 6 | 27 | 1 | 1.50″ |
| New Jersey | 5 | 28 | 1 | 1.00″ |
| South Carolina | 12 | 20 | 0 | 1.75″ |
| Georgia | 4 | 21 | 0 | 1.75″ |
| Idaho | 21 | 2 | 0 | 1.75″ |
| Wyoming | 11 | 8 | 3 | 1.75″ |
| Louisiana | 3 | 15 | 0 | 1.00″ |
| Nevada | 7 | 10 | 0 | 1.75″ |
| Virginia | 4 | 12 | 0 | 1.00″ |
| Massachusetts | 7 | 6 | 2 | 1.00″ |
| Maryland | 0 | 15 | 0 | – |
| New Mexico | 9 | 5 | 0 | 1.75″ |
| Connecticut | 4 | 9 | 0 | 1.00″ |
| Indiana | 4 | 5 | 4 | 2.75″ |
| Utah | 4 | 8 | 0 | 1.00″ |
| Washington | 0 | 7 | 4 | – |
| Alabama | 1 | 9 | 0 | 0.88″ |
| Mississippi | 2 | 8 | 0 | 0.88″ |
| Oregon | 7 | 2 | 0 | 1.25″ |
| California | 1 | 3 | 1 | 0.75″ |
| Maine | 2 | 1 | 1 | 1.75″ |
| Vermont | 4 | 0 | 0 | 0.88″ |
| Delaware | 0 | 2 | 0 | – |
| Rhode Island | 2 | 0 | 0 | 0.75″ |
Every storm day in August 1997
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.