August 1977 storm reports: hail, wind and tornadoes
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In August 1977, 134 hail, 200 damaging-wind and 82 tornado reports were logged on 31 storm days across 44 states. The largest hail reported was 4.50″ (softball size) in Dickey County, ND on August 26, 1977. The most hail reports came on August 3, 1977 (15). Tornadoes killed 6.
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← July 1977 All 1977 storm days September 1977 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of August 1977
| Day | Hail | Wind | Tornado | Largest hail | States |
|---|---|---|---|---|---|
| Aug 6, 1977 | 5 | 14 | 20 | 1.75″ | 10 |
| Aug 3, 1977 | 15 | 14 | 2 | 2.75″ | 9 |
| Aug 8, 1977 | 12 | 16 | 3 | 1.75″ | 12 |
| Aug 7, 1977 | 8 | 15 | 2 | 2.75″ | 11 |
| Aug 15, 1977 | 6 | 8 | 8 | 2.75″ | 4 |
| Aug 5, 1977 | 4 | 12 | 4 | 2.75″ | 10 |
| Aug 30, 1977 | 5 | 12 | 2 | 1.75″ | 8 |
| Aug 11, 1977 | 6 | 12 | 0 | 1.75″ | 7 |
| Aug 20, 1977 | 11 | 4 | 1 | 2.75″ | 4 |
| Aug 26, 1977 | 5 | 8 | 3 | 4.50″ | 5 |
Largest hail reported in August 1977
| Day | Size | Location |
|---|---|---|
| Aug 26, 1977 | 4.50″ (softball) | Dickey County, ND |
| Aug 3, 1977 | 2.75″ (baseball) | Dane County, WI |
| Aug 3, 1977 | 2.75″ (baseball) | Box Butte County, NE |
| Aug 5, 1977 | 2.75″ (baseball) | Greeley County, KS |
| Aug 7, 1977 | 2.75″ (baseball) | Benton County, IA |
| Aug 15, 1977 | 2.75″ (baseball) | Warren County, VA |
| Aug 20, 1977 | 2.75″ (baseball) | Howard County, NE |
| Aug 3, 1977 | 2.50″ (tennis ball) | Box Butte County, NE |
| Aug 14, 1977 | 2.00″ (hen egg) | Coffey County, KS |
| Aug 20, 1977 | 2.00″ (hen egg) | Wayne County, NE |
Storm reports by state, August 1977
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| Nebraska | 23 | 19 | 8 | 2.75″ |
| Illinois | 8 | 9 | 20 | 1.75″ |
| Kansas | 15 | 13 | 2 | 2.75″ |
| South Dakota | 10 | 15 | 0 | 1.75″ |
| Iowa | 10 | 6 | 6 | 2.75″ |
| Wisconsin | 8 | 10 | 4 | 2.75″ |
| Virginia | 2 | 15 | 3 | 2.75″ |
| Missouri | 10 | 7 | 1 | 1.75″ |
| Colorado | 3 | 8 | 6 | 1.50″ |
| Florida | 4 | 9 | 3 | 1.25″ |
| Indiana | 9 | 7 | 0 | 1.75″ |
| Texas | 1 | 8 | 5 | 1.50″ |
| Minnesota | 6 | 4 | 3 | 1.75″ |
| North Dakota | 4 | 6 | 1 | 4.50″ |
| Oklahoma | 3 | 5 | 2 | 1.50″ |
| North Carolina | 1 | 7 | 1 | 1.25″ |
| Michigan | 1 | 2 | 5 | 0.75″ |
| Pennsylvania | 1 | 6 | 1 | 1.00″ |
| Arizona | 0 | 7 | 0 | – |
| Arkansas | 3 | 3 | 0 | 1.00″ |
| Ohio | 2 | 3 | 0 | 2.00″ |
| Wyoming | 2 | 3 | 0 | 0.88″ |
| Maryland | 1 | 2 | 1 | 1.00″ |
| Delaware | 0 | 2 | 1 | – |
| Massachusetts | 0 | 2 | 1 | – |
| Maine | 1 | 1 | 1 | 0.75″ |
| Mississippi | 0 | 1 | 2 | – |
| New Jersey | 0 | 2 | 1 | – |
| Nevada | 1 | 1 | 1 | 1.00″ |
| New York | 2 | 1 | 0 | 1.00″ |
| Connecticut | 0 | 2 | 0 | – |
| Georgia | 0 | 1 | 1 | – |
| Idaho | 0 | 2 | 0 | – |
| Kentucky | 1 | 0 | 1 | 1.75″ |
| New Mexico | 1 | 1 | 0 | 1.00″ |
| Oregon | 0 | 2 | 0 | – |
| Vermont | 1 | 1 | 0 | 1.00″ |
| West Virginia | 0 | 2 | 0 | – |
| Alabama | 0 | 1 | 0 | – |
| California | 0 | 1 | 0 | – |
| Louisiana | 0 | 1 | 0 | – |
| South Carolina | 0 | 1 | 0 | – |
| Tennessee | 0 | 0 | 1 | – |
| Utah | 0 | 1 | 0 | – |
Every storm day in August 1977
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.