August 1989 storm reports: hail, wind and tornadoes
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In August 1989, 263 hail, 736 damaging-wind and 38 tornado reports were logged on 31 storm days across 45 states. The largest hail reported was 4.50″ (softball size) in St. Louis County, MN on August 3, 1989. The most hail reports came on August 21, 1989 (34).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1989 All 1989 storm days September 1989 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1989
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 5, 1989 | 13 | 155 | 0 | 2.50″ | 16 |
| Aug 4, 1989 | 24 | 122 | 2 | 2.50″ | 14 |
| Aug 6, 1989 | 18 | 115 | 1 | 2.50″ | 18 |
| Aug 21, 1989 | 34 | 30 | 2 | 2.75″ | 11 |
| Aug 26, 1989 | 6 | 31 | 2 | 1.75″ | 9 |
| Aug 24, 1989 | 13 | 19 | 1 | 2.75″ | 11 |
| Aug 31, 1989 | 18 | 11 | 2 | 2.75″ | 7 |
| Aug 18, 1989 | 9 | 19 | 1 | 1.75″ | 11 |
| Aug 29, 1989 | 7 | 18 | 4 | 2.00″ | 9 |
| Aug 2, 1989 | 0 | 22 | 5 | – | 8 |
Largest hail reported in August 1989
| Day | Size | Location |
|---|---|---|
| Aug 3, 1989 | 4.50″ (softball) | St. Louis County, MN |
| Aug 19, 1989 | 3.00″ (teacup) | Baca County, CO |
| Aug 30, 1989 | 3.00″ (teacup) | Billings County, ND |
| Aug 15, 1989 | 2.75″ (baseball) | Deaf Smith County, TX |
| Aug 15, 1989 | 2.75″ (baseball) | Deaf Smith County, TX |
| Aug 15, 1989 | 2.75″ (baseball) | Castro County, TX |
| Aug 15, 1989 | 2.75″ (baseball) | Dallam County, TX |
| Aug 21, 1989 | 2.75″ (baseball) | Big Stone County, MN |
| Aug 21, 1989 | 2.75″ (baseball) | Lancaster County, NE |
| Aug 21, 1989 | 2.75″ (baseball) | Swift County, MN |
Storm reports by state, August 1989
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Iowa | 16 | 83 | 1 | 1.75″ |
| Kansas | 28 | 36 | 2 | 2.75″ |
| Oklahoma | 22 | 35 | 1 | 2.50″ |
| Minnesota | 37 | 20 | 0 | 4.50″ |
| Texas | 16 | 34 | 6 | 2.75″ |
| Wisconsin | 8 | 46 | 0 | 2.50″ |
| North Dakota | 31 | 20 | 1 | 3.00″ |
| Nebraska | 12 | 32 | 4 | 2.75″ |
| Indiana | 6 | 35 | 2 | 0.75″ |
| Ohio | 0 | 41 | 1 | – |
| South Dakota | 27 | 9 | 2 | 2.75″ |
| Florida | 5 | 23 | 4 | 1.75″ |
| South Carolina | 4 | 27 | 0 | 1.75″ |
| Georgia | 4 | 22 | 1 | 0.88″ |
| Montana | 3 | 19 | 4 | 1.75″ |
| New York | 0 | 26 | 0 | – |
| Michigan | 4 | 19 | 2 | 2.50″ |
| Missouri | 8 | 14 | 0 | 1.75″ |
| Kentucky | 2 | 19 | 0 | 1.00″ |
| Pennsylvania | 1 | 16 | 0 | 1.75″ |
| Illinois | 1 | 14 | 0 | 1.75″ |
| Alabama | 0 | 14 | 0 | – |
| Arkansas | 2 | 11 | 0 | 1.75″ |
| Massachusetts | 1 | 11 | 0 | 0.75″ |
| Mississippi | 2 | 10 | 0 | 1.50″ |
| Vermont | 0 | 11 | 1 | – |
| Arizona | 0 | 11 | 0 | – |
| Colorado | 7 | 4 | 0 | 3.00″ |
| Louisiana | 2 | 8 | 1 | 0.88″ |
| West Virginia | 0 | 11 | 0 | – |
| Wyoming | 4 | 7 | 0 | 1.25″ |
| Maine | 1 | 9 | 0 | 1.00″ |
| Idaho | 0 | 8 | 0 | – |
| Utah | 3 | 5 | 0 | 1.00″ |
| North Carolina | 0 | 7 | 0 | – |
| Virginia | 1 | 6 | 0 | 2.75″ |
| New Mexico | 2 | 2 | 2 | 0.75″ |
| California | 1 | 2 | 0 | 0.75″ |
| New Jersey | 0 | 2 | 1 | – |
| Oregon | 1 | 1 | 1 | 0.75″ |
| Connecticut | 1 | 1 | 0 | 0.75″ |
| Nevada | 0 | 2 | 0 | – |
| Tennessee | 0 | 2 | 0 | – |
| Delaware | 0 | 0 | 1 | – |
| New Hampshire | 0 | 1 | 0 | – |
Every storm day in August 1989
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.